diff --git a/app/schemas/it.vfsfitvnm.vimusic.DatabaseInitializer/5.json b/app/schemas/it.vfsfitvnm.vimusic.DatabaseInitializer/5.json
new file mode 100644
index 0000000..e80f181
--- /dev/null
+++ b/app/schemas/it.vfsfitvnm.vimusic.DatabaseInitializer/5.json
@@ -0,0 +1,322 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 5,
+    "identityHash": "c16206386ea59ba9109b1e116ec61ea0",
+    "entities": [
+      {
+        "tableName": "Song",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` TEXT NOT NULL, `title` TEXT NOT NULL, `albumInfoId` INTEGER, `durationText` TEXT NOT NULL, `thumbnailUrl` TEXT, `lyrics` TEXT, `likedAt` INTEGER, `totalPlayTimeMs` INTEGER NOT NULL, `loudnessDb` REAL, `contentLength` INTEGER, PRIMARY KEY(`id`))",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "title",
+            "columnName": "title",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "albumInfoId",
+            "columnName": "albumInfoId",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "durationText",
+            "columnName": "durationText",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "thumbnailUrl",
+            "columnName": "thumbnailUrl",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "lyrics",
+            "columnName": "lyrics",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "likedAt",
+            "columnName": "likedAt",
+            "affinity": "INTEGER",
+            "notNull": false
+          },
+          {
+            "fieldPath": "totalPlayTimeMs",
+            "columnName": "totalPlayTimeMs",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "loudnessDb",
+            "columnName": "loudnessDb",
+            "affinity": "REAL",
+            "notNull": false
+          },
+          {
+            "fieldPath": "contentLength",
+            "columnName": "contentLength",
+            "affinity": "INTEGER",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "SongInPlaylist",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`songId` TEXT NOT NULL, `playlistId` INTEGER NOT NULL, `position` INTEGER NOT NULL, PRIMARY KEY(`songId`, `playlistId`), FOREIGN KEY(`songId`) REFERENCES `Song`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE , FOREIGN KEY(`playlistId`) REFERENCES `Playlist`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
+        "fields": [
+          {
+            "fieldPath": "songId",
+            "columnName": "songId",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "playlistId",
+            "columnName": "playlistId",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "position",
+            "columnName": "position",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "songId",
+            "playlistId"
+          ]
+        },
+        "indices": [
+          {
+            "name": "index_SongInPlaylist_songId",
+            "unique": false,
+            "columnNames": [
+              "songId"
+            ],
+            "orders": [],
+            "createSql": "CREATE INDEX IF NOT EXISTS `index_SongInPlaylist_songId` ON `${TABLE_NAME}` (`songId`)"
+          },
+          {
+            "name": "index_SongInPlaylist_playlistId",
+            "unique": false,
+            "columnNames": [
+              "playlistId"
+            ],
+            "orders": [],
+            "createSql": "CREATE INDEX IF NOT EXISTS `index_SongInPlaylist_playlistId` ON `${TABLE_NAME}` (`playlistId`)"
+          }
+        ],
+        "foreignKeys": [
+          {
+            "table": "Song",
+            "onDelete": "CASCADE",
+            "onUpdate": "NO ACTION",
+            "columns": [
+              "songId"
+            ],
+            "referencedColumns": [
+              "id"
+            ]
+          },
+          {
+            "table": "Playlist",
+            "onDelete": "CASCADE",
+            "onUpdate": "NO ACTION",
+            "columns": [
+              "playlistId"
+            ],
+            "referencedColumns": [
+              "id"
+            ]
+          }
+        ]
+      },
+      {
+        "tableName": "Playlist",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `name` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "Info",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `browseId` TEXT, `text` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "browseId",
+            "columnName": "browseId",
+            "affinity": "TEXT",
+            "notNull": false
+          },
+          {
+            "fieldPath": "text",
+            "columnName": "text",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "SongWithAuthors",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`songId` TEXT NOT NULL, `authorInfoId` INTEGER NOT NULL, PRIMARY KEY(`songId`, `authorInfoId`), FOREIGN KEY(`songId`) REFERENCES `Song`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE , FOREIGN KEY(`authorInfoId`) REFERENCES `Info`(`id`) ON UPDATE NO ACTION ON DELETE CASCADE )",
+        "fields": [
+          {
+            "fieldPath": "songId",
+            "columnName": "songId",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "authorInfoId",
+            "columnName": "authorInfoId",
+            "affinity": "INTEGER",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": false,
+          "columnNames": [
+            "songId",
+            "authorInfoId"
+          ]
+        },
+        "indices": [
+          {
+            "name": "index_SongWithAuthors_authorInfoId",
+            "unique": false,
+            "columnNames": [
+              "authorInfoId"
+            ],
+            "orders": [],
+            "createSql": "CREATE INDEX IF NOT EXISTS `index_SongWithAuthors_authorInfoId` ON `${TABLE_NAME}` (`authorInfoId`)"
+          }
+        ],
+        "foreignKeys": [
+          {
+            "table": "Song",
+            "onDelete": "CASCADE",
+            "onUpdate": "NO ACTION",
+            "columns": [
+              "songId"
+            ],
+            "referencedColumns": [
+              "id"
+            ]
+          },
+          {
+            "table": "Info",
+            "onDelete": "CASCADE",
+            "onUpdate": "NO ACTION",
+            "columns": [
+              "authorInfoId"
+            ],
+            "referencedColumns": [
+              "id"
+            ]
+          }
+        ]
+      },
+      {
+        "tableName": "SearchQuery",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `query` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "id",
+            "columnName": "id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "query",
+            "columnName": "query",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "autoGenerate": true,
+          "columnNames": [
+            "id"
+          ]
+        },
+        "indices": [
+          {
+            "name": "index_SearchQuery_query",
+            "unique": true,
+            "columnNames": [
+              "query"
+            ],
+            "orders": [],
+            "createSql": "CREATE UNIQUE INDEX IF NOT EXISTS `index_SearchQuery_query` ON `${TABLE_NAME}` (`query`)"
+          }
+        ],
+        "foreignKeys": []
+      }
+    ],
+    "views": [
+      {
+        "viewName": "SortedSongInPlaylist",
+        "createSql": "CREATE VIEW `${VIEW_NAME}` AS SELECT * FROM SongInPlaylist ORDER BY position"
+      }
+    ],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, 'c16206386ea59ba9109b1e116ec61ea0')"
+    ]
+  }
+}
\ No newline at end of file
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/Database.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/Database.kt
index 68db7f2..e247b20 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/Database.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/Database.kt
@@ -129,12 +129,13 @@ interface Database {
     views = [
         SortedSongInPlaylist::class
     ],
-    version = 4,
+    version = 5,
     exportSchema = true,
     autoMigrations = [
         AutoMigration(from = 1, to = 2),
         AutoMigration(from = 2, to = 3),
         AutoMigration(from = 3, to = 4, spec = DatabaseInitializer.From3To4Migration::class),
+        AutoMigration(from = 4, to = 5),
     ],
 )
 abstract class DatabaseInitializer protected constructor() : RoomDatabase() {
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/models/Song.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/models/Song.kt
index c9f5f8f..aca2e4f 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/models/Song.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/models/Song.kt
@@ -13,6 +13,8 @@ data class Song(
     val lyrics: String? = null,
     val likedAt: Long? = null,
     val totalPlayTimeMs: Long = 0,
+    val loudnessDb: Float? = null,
+    val contentLength: Long? = null,
 ) {
     val formattedTotalPlayTime: String
         get() {
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/services/PlayerService.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/services/PlayerService.kt
index a4d9594..b480ee5 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/services/PlayerService.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/services/PlayerService.kt
@@ -44,6 +44,7 @@ import com.google.common.util.concurrent.ListenableFuture
 import it.vfsfitvnm.vimusic.Database
 import it.vfsfitvnm.vimusic.MainActivity
 import it.vfsfitvnm.vimusic.R
+import it.vfsfitvnm.vimusic.internal
 import it.vfsfitvnm.vimusic.utils.*
 import it.vfsfitvnm.youtubemusic.Outcome
 import kotlinx.coroutines.*
@@ -100,6 +101,8 @@ class PlayerService : MediaSessionService(), MediaSession.Callback, MediaNotific
 
     private val coroutineScope = CoroutineScope(Dispatchers.IO) + Job()
 
+    private val songPendingLoudnessDb = mutableMapOf<String, Float?>()
+
     override fun onCreate() {
         super.onCreate()
 
@@ -136,6 +139,18 @@ class PlayerService : MediaSessionService(), MediaSession.Callback, MediaNotific
             .build()
 
         player.addListener(this)
+
+        coroutineScope.launch(Dispatchers.IO) {
+            while (true) {
+                delay(1000)
+                withContext(Dispatchers.Main) {
+                    println("volume: ${player.volume}")
+                }
+                songPendingLoudnessDb.forEach { (key, value) ->
+                    println("     $key = $value")
+                }
+            }
+        }
     }
 
     override fun onDestroy() {
@@ -269,13 +284,14 @@ class PlayerService : MediaSessionService(), MediaSession.Callback, MediaNotific
         val mediaItem =
             eventTime.timeline.getWindow(eventTime.windowIndex, Timeline.Window()).mediaItem
 
-        coroutineScope.launch(Dispatchers.IO) {
-            Database.insert(mediaItem)
+        Database.internal.queryExecutor.execute {
             Database.incrementTotalPlayTimeMs(mediaItem.mediaId, playbackStats.totalPlayTimeMs)
         }
     }
 
     override fun onMediaItemTransition(mediaItem: MediaItem?, reason: Int) {
+        normalizeVolume()
+
         radio?.let { radio ->
             if (player.mediaItemCount - player.currentMediaItemIndex <= 3) {
                 coroutineScope.launch(Dispatchers.Main) {
@@ -285,6 +301,18 @@ class PlayerService : MediaSessionService(), MediaSession.Callback, MediaNotific
         }
     }
 
+    private fun normalizeVolume() {
+        player.volume = player.currentMediaItem?.mediaId?.let { mediaId ->
+            songPendingLoudnessDb.getOrElse(mediaId) {
+                player.currentMediaItem?.mediaMetadata?.extras?.getFloat("loudnessDb")
+            }
+                ?.takeIf { it > 0 }
+                ?.let { loudnessDb ->
+                    (1f - (0.01f + loudnessDb / 15)).coerceIn(0.1f, 1f)
+                }
+        } ?: 1f
+    }
+
     override fun onAddMediaItems(
         mediaSession: MediaSession,
         controller: MediaSession.ControllerInfo,
@@ -454,10 +482,33 @@ class PlayerService : MediaSessionService(), MediaSession.Callback, MediaNotific
                         val url = runBlocking(Dispatchers.IO) {
                             it.vfsfitvnm.youtubemusic.YouTube.player(videoId)
                         }.flatMap { body ->
+                            val loudnessDb = body.playerConfig?.audioConfig?.loudnessDb?.toFloat()
+
+                            songPendingLoudnessDb[videoId] = loudnessDb
+
+                            runBlocking(Dispatchers.Main) {
+                                normalizeVolume()
+                            }
+
                             when (val status = body.playabilityStatus.status) {
                                 "OK" -> body.streamingData?.adaptiveFormats?.findLast { format ->
                                     format.itag == 251 || format.itag == 140
-                                }?.url?.let { Outcome.Success(it) } ?: Outcome.Error.Unhandled(
+                                }?.let { format ->
+                                    val mediaItem = runBlocking(Dispatchers.Main) {
+                                        player.currentMediaItem
+                                    }
+
+                                    if (mediaItem?.mediaId == videoId) {
+                                        Database.internal.queryExecutor.execute {
+                                            Database.update(Database.insert(mediaItem).copy(
+                                                loudnessDb = loudnessDb,
+                                                contentLength = format.contentLength
+                                            ))
+                                        }
+                                    }
+
+                                    Outcome.Success(format.url)
+                                } ?: Outcome.Error.Unhandled(
                                     PlaybackException(
                                         "Couldn't find a playable audio format",
                                         null,
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/components/themed/MediaItemMenu.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/components/themed/MediaItemMenu.kt
index 9250ae1..797d8d1 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/components/themed/MediaItemMenu.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/components/themed/MediaItemMenu.kt
@@ -236,9 +236,7 @@ fun BaseMediaItemMenu(
             coroutineScope.launch(Dispatchers.IO) {
                 val playlistId = Database.playlist(playlist.id)?.id ?: Database.insert(playlist)
 
-                if (Database.song(mediaItem.mediaId) == null) {
-                    Database.insert(mediaItem)
-                }
+                Database.insert(mediaItem)
 
                 Database.insert(
                     SongInPlaylist(
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/IntentUriScreen.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/IntentUriScreen.kt
index 69ab0e8..bc3847e 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/IntentUriScreen.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/IntentUriScreen.kt
@@ -111,9 +111,7 @@ fun IntentUriScreen(uri: Uri) {
                                 items.valueOrNull
                                     ?.map(YouTube.Item.Song::asMediaItem)
                                     ?.forEachIndexed { index, mediaItem ->
-                                        if (Database.song(mediaItem.mediaId) == null) {
-                                            Database.insert(mediaItem)
-                                        }
+                                        Database.insert(mediaItem)
 
                                         Database.insert(
                                             SongInPlaylist(
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/PlaylistOrAlbumScreen.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/PlaylistOrAlbumScreen.kt
index 60089fb..a60fc72 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/PlaylistOrAlbumScreen.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/screens/PlaylistOrAlbumScreen.kt
@@ -175,11 +175,7 @@ fun PlaylistOrAlbumScreen(
                                                                     song
                                                                         .toMediaItem(browseId, album)
                                                                         ?.let { mediaItem ->
-                                                                            if (Database.song(mediaItem.mediaId) == null) {
-                                                                                Database.insert(
-                                                                                    mediaItem
-                                                                                )
-                                                                            }
+                                                                            Database.insert(mediaItem)
 
                                                                             Database.insert(
                                                                                 SongInPlaylist(
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerBottomSheet.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerBottomSheet.kt
index 51aa730..c3d6030 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerBottomSheet.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerBottomSheet.kt
@@ -17,7 +17,6 @@ import androidx.compose.material.ripple.rememberRipple
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.draw.scale
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.unit.dp
@@ -29,7 +28,6 @@ import it.vfsfitvnm.vimusic.Database
 import it.vfsfitvnm.vimusic.models.Song
 import it.vfsfitvnm.vimusic.ui.components.BottomSheet
 import it.vfsfitvnm.vimusic.ui.components.BottomSheetState
-import it.vfsfitvnm.vimusic.ui.components.themed.TextPlaceholder
 import it.vfsfitvnm.vimusic.ui.screens.rememberLyricsRoute
 import it.vfsfitvnm.vimusic.ui.styling.LocalColorPalette
 import it.vfsfitvnm.vimusic.ui.styling.LocalTypography
@@ -198,13 +196,15 @@ fun PlayerBottomSheet(
 
                             lyricsOutcome = nextOutcome.flatMap {
                                 it.lyrics?.text().toNotNull()
-                            }.map {
-                                it ?: ""
-                            }.map {
+                            }.map { lyrics ->
+                                lyrics ?: ""
+                            }.map { lyrics ->
                                 withContext(Dispatchers.IO) {
-                                    Database.update((song ?: Database.insert(player.mediaItem!!)).copy(lyrics = it))
+                                    (song ?: player.mediaItem?.let(Database::insert))?.let {
+                                        Database.update(it.copy(lyrics = lyrics))
+                                    }
                                 }
-                                it
+                                lyrics
                             }
                         }
                     },
@@ -218,9 +218,11 @@ fun PlayerBottomSheet(
                             })
                         }
                     },
-                    onLyricsUpdate = {
+                    onLyricsUpdate = { lyrics ->
                         coroutineScope.launch(Dispatchers.IO) {
-                            Database.update((song ?: Database.insert(player.mediaItem!!)).copy(lyrics = it))
+                            (song ?: player.mediaItem?.let(Database::insert))?.let {
+                                Database.update(it.copy(lyrics = lyrics))
+                            }
                         }
                     }
                 )
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerView.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerView.kt
index a0f51be..5dc0b41 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerView.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/ui/views/PlayerView.kt
@@ -342,9 +342,9 @@ fun PlayerView(
                     modifier = Modifier
                         .clickable {
                             coroutineScope.launch(Dispatchers.IO) {
-                                Database.update(
-                                    (song ?: Database.insert(player.mediaItem!!)).toggleLike()
-                                )
+                                (song ?: player.mediaItem?.let(Database::insert))?.let {
+                                    Database.update(it.toggleLike())
+                                }
                             }
                         }
                         .padding(horizontal = 16.dp)
diff --git a/app/src/main/kotlin/it/vfsfitvnm/vimusic/utils/utils.kt b/app/src/main/kotlin/it/vfsfitvnm/vimusic/utils/utils.kt
index f9d7fef..5fda306 100644
--- a/app/src/main/kotlin/it/vfsfitvnm/vimusic/utils/utils.kt
+++ b/app/src/main/kotlin/it/vfsfitvnm/vimusic/utils/utils.kt
@@ -137,7 +137,8 @@ val SongWithInfo.asMediaItem: MediaItem
                         "albumId" to album?.browseId,
                         "artistNames" to authors?.map { it.text },
                         "artistIds" to authors?.map { it.browseId },
-                        "durationText" to song.durationText
+                        "durationText" to song.durationText,
+                        "loudnessDb" to song.loudnessDb
                     )
                 )
                 .build()