diff --git a/intervalmusiccompositor.app/src/main/resources/CHANGELOG.txt b/intervalmusiccompositor.app/src/main/resources/CHANGELOG.txt
index 899235e..375d18d 100644
--- a/intervalmusiccompositor.app/src/main/resources/CHANGELOG.txt
+++ b/intervalmusiccompositor.app/src/main/resources/CHANGELOG.txt
@@ -6,6 +6,7 @@ retorte laboratories (retorte.ch) IntervalMusicCompositor change log
 FIX  #41    System diagnosis string shows wrong hdd space.
 FIX  #40    Sound effect start time not properly retrieved.
 FIX  #42    NPE when leaving a field (e.g. sound period duration) empty.
+IMP  #43    Add better debug output for compilation generation.
 
 
 2017-11-11  2.8.1
diff --git a/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/compilation/Compilation.java b/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/compilation/Compilation.java
index aca4ad3..04798c2 100644
--- a/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/compilation/Compilation.java
+++ b/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/compilation/Compilation.java
@@ -114,6 +114,8 @@ private byte[] getPlaylistItemDataFrom(Playlist playlist, PlaylistItem playlistI
     }
     int musicSamples = soundHelper.getSamplesFromSeconds(musicExtractDurationS);
 
+    addDebugMessage("Processing next playlist item starting at " + timeSoFarMs + " ms");
+
     // Any fade out from the previous track
 
     if (playlist.isCrossFadingMode()) {
@@ -123,6 +125,7 @@ private byte[] getPlaylistItemDataFrom(Playlist playlist, PlaylistItem playlistI
 
     // The music part
 
+    addDebugMessage("Adding music track '" + musicFragment + "' at " + timeSoFarMs + " ms");
     byte[] musicData = getMusicBytesFrom(playlist, musicFragment);
     arrayMerge16bit(musicData, 0, playlistItemData, 0, musicData.length);
 
@@ -142,6 +145,7 @@ private byte[] getPlaylistItemDataFrom(Playlist playlist, PlaylistItem playlistI
         arrayMerge16bit(fadeOutBytes, 0, playlistItemData, musicSamples, fadeOutBytes.length);
       }
 
+      addDebugMessage("Adding break track '" + breakFragment + "' at " + (timeSoFarMs + (int)(musicExtractDurationS * 1000)) + " ms");
       byte[] breakData = getMusicBytesFrom(playlist, breakFragment);
       arrayMerge16bit(breakData, 0, playlistItemData, musicSamples, breakData.length);
     }
@@ -154,7 +158,7 @@ private byte[] getPlaylistItemDataFrom(Playlist playlist, PlaylistItem playlistI
     }
 
     for (SoundEffectOccurrence effect : playlistItem.getSoundEffects()) {
-      addDebugMessage("Adding sound effect " + effect.getSoundEffect().getId() + " at " + (timeSoFarMs + effect.getTimeMillis()));
+      addDebugMessage("Adding sound effect " + effect.getSoundEffect().getId() + " at " + (timeSoFarMs + effect.getTimeMillis()) + " ms");
       addSoundEffectTo(playlistItemData, effect);
     }
 
diff --git a/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/playlist/PlaylistItemFragment.java b/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/playlist/PlaylistItemFragment.java
index b7806db..be51110 100644
--- a/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/playlist/PlaylistItemFragment.java
+++ b/intervalmusiccompositor.core/src/main/java/ch/retorte/intervalmusiccompositor/playlist/PlaylistItemFragment.java
@@ -7,10 +7,20 @@
  */
 public class PlaylistItemFragment {
 
+  //---- Static
+
+  private static final String SILENT_BREAK_TRACK_NAME = "Silent Break";
+
+
+  //---- Fields
+
   private final IAudioFile audioFile;
   private final long extractStartInMilliseconds;
   private final long extractEndInMilliseconds;
 
+
+  //---- Constructor
+
   PlaylistItemFragment(IAudioFile audioFile, long extractStartInMilliseconds, long extractEndInMilliseconds) {
     this.audioFile = audioFile;
     this.extractStartInMilliseconds = extractStartInMilliseconds;
@@ -21,6 +31,9 @@ public class PlaylistItemFragment {
     }
   }
 
+
+  //---- Methods
+
   public boolean isSilentBreak() {
     return audioFile == null;
   }
@@ -55,7 +68,7 @@ long getExtractEndInMilliseconds() {
 
   @Override
   public String toString() {
-    String fileName = "Break";
+    String fileName = SILENT_BREAK_TRACK_NAME;
     if (!isSilentBreak()) {
       fileName = getAudioFile().getDisplayName();
     }