1 files changed, 8 insertions, 0 deletions
diff --git a/src/audio/tracker.cc b/src/audio/tracker.cc
index 37f0683..00c31e9 100644
--- a/src/audio/tracker.cc
+++ b/src/audio/tracker.cc
@@ -324,6 +324,14 @@ void tracker_update(float music_time_sec, float dt_music_sec) {
         }
       }
 
+      // DEBUG: Track kick/snare timing for drift investigation
+      if (event.sample_id == 0 || event.sample_id == 1) { // Assuming kick=0, snare=1
+        const char* name = (event.sample_id == 0) ? "KICK " : "SNARE";
+        const float delta_ms = (event_music_time - music_time_sec) * 1000.0f;
+        printf("[DRIFT] %s: music=%.4f expect=%.4f delta=%.2fms offset=%d\n",
+               name, music_time_sec, event_music_time, delta_ms, sample_offset);
+      }
+
       trigger_note_event(event, sample_offset, volume_mult);
       active.next_event_idx++;
     }