diff --git a/data/schema/schema-8.sql b/data/schema/schema-8.sql
index 10214b092..4f7daec2d 100644
--- a/data/schema/schema-8.sql
+++ b/data/schema/schema-8.sql
@@ -43,22 +43,22 @@ CREATE TABLE songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -100,22 +100,22 @@ CREATE TABLE tidal_artists_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -157,22 +157,22 @@ CREATE TABLE tidal_albums_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -214,22 +214,22 @@ CREATE TABLE tidal_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -271,22 +271,22 @@ CREATE TABLE subsonic_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -328,22 +328,22 @@ CREATE TABLE qobuz_artists_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -385,22 +385,22 @@ CREATE TABLE qobuz_albums_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -442,22 +442,22 @@ CREATE TABLE qobuz_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -504,9 +504,9 @@ CREATE TABLE playlist_items (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
   directory_id INTEGER,
@@ -519,7 +519,7 @@ CREATE TABLE playlist_items (
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
diff --git a/data/schema/schema.sql b/data/schema/schema.sql
index 14293f356..c9f5aa490 100644
--- a/data/schema/schema.sql
+++ b/data/schema/schema.sql
@@ -42,22 +42,22 @@ CREATE TABLE IF NOT EXISTS songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -99,22 +99,22 @@ CREATE TABLE IF NOT EXISTS tidal_artists_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -156,22 +156,22 @@ CREATE TABLE IF NOT EXISTS tidal_albums_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -213,22 +213,22 @@ CREATE TABLE IF NOT EXISTS tidal_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -270,22 +270,22 @@ CREATE TABLE IF NOT EXISTS subsonic_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -327,22 +327,22 @@ CREATE TABLE IF NOT EXISTS qobuz_artists_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -384,22 +384,22 @@ CREATE TABLE IF NOT EXISTS qobuz_albums_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -441,22 +441,22 @@ CREATE TABLE IF NOT EXISTS qobuz_songs (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
-  directory_id INTEGER NOT NULL,
+  directory_id INTEGER NOT NULL DEFAULT -1,
   url TEXT NOT NULL,
   filetype INTEGER NOT NULL DEFAULT 0,
-  filesize INTEGER NOT NULL DEFAULT 0,
-  mtime INTEGER NOT NULL DEFAULT 0,
-  ctime INTEGER NOT NULL DEFAULT 0,
+  filesize INTEGER NOT NULL DEFAULT -1,
+  mtime INTEGER NOT NULL DEFAULT -1,
+  ctime INTEGER NOT NULL DEFAULT -1,
   unavailable INTEGER DEFAULT 0,
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,
@@ -514,9 +514,9 @@ CREATE TABLE IF NOT EXISTS playlist_items (
   beginning INTEGER NOT NULL DEFAULT 0,
   length INTEGER NOT NULL DEFAULT 0,
 
-  bitrate INTEGER NOT NULL DEFAULT 0,
-  samplerate INTEGER NOT NULL DEFAULT 0,
-  bitdepth INTEGER NOT NULL DEFAULT 0,
+  bitrate INTEGER NOT NULL DEFAULT -1,
+  samplerate INTEGER NOT NULL DEFAULT -1,
+  bitdepth INTEGER NOT NULL DEFAULT -1,
 
   source INTEGER NOT NULL DEFAULT 0,
   directory_id INTEGER,
@@ -529,7 +529,7 @@ CREATE TABLE IF NOT EXISTS playlist_items (
 
   playcount INTEGER NOT NULL DEFAULT 0,
   skipcount INTEGER NOT NULL DEFAULT 0,
-  lastplayed INTEGER NOT NULL DEFAULT 0,
+  lastplayed INTEGER NOT NULL DEFAULT -1,
 
   compilation_detected INTEGER DEFAULT 0,
   compilation_on INTEGER NOT NULL DEFAULT 0,