diff --git a/frozen-bubble b/frozen-bubble
index 3a7140c..2d9bd00 100755
--- a/frozen-bubble
+++ b/frozen-bubble
@@ -1460,6 +1460,7 @@ sub handle_whenever_events {
         $mixer->halt_music;
         play_music('dummy');
     }
+    print "mixer enabled: $mixer_enabled; mixer: $mixer; keypressed: $keypressed; raise_volume: $KEYS->{misc}{raise_volume}\n";
     if ($mixer_enabled && $mixer && $keypressed eq $KEYS->{misc}{raise_volume}) {
         my $to = int(min($mixer->music_volume(-1) + SDL::Mixer::MIX_MAX_VOLUME()/10, SDL::Mixer::MIX_MAX_VOLUME()));
         $mixer->music_volume($to);