diff --git a/MicroDexed.ino b/MicroDexed.ino
index f7cd558..cf28bcb 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -1676,11 +1676,29 @@ void handleClock(void)
   midi_bpm_counter++;
 }
 
+void dac_mute(void)
+{
+  sgtl5000.lineOutLevel(0.0);
+  sgtl5000.dacVolume(0.0);
+  sgtl5000.volume(0.0, 0.0); // Headphone volume
+}
+
+void dac_unmute(void)
+{
+  sgtl5000.lineOutLevel(SGTL5000_LINEOUT_LEVEL);
+  sgtl5000.dacVolume(1.0);
+  sgtl5000.volume(SGTL5000_HEADPHONE_VOLUME, SGTL5000_HEADPHONE_VOLUME); // Headphone volume
+}
 void handleStart(void)
 {
   midi_bpm_timer = 0;
   midi_bpm_counter = 0;
   _midi_bpm = -1;
+  seq_step = 0;
+  seq_chain_active_step = 0;
+  seq_running = true;
+  timer1.start();
+
 }
 
 void handleContinue(void)
@@ -1690,7 +1708,17 @@ void handleContinue(void)
 
 void handleStop(void)
 {
-  ;
+  timer1.stop();
+  seq_running = false;
+  seq_recording = false;
+  seq_note_in = 0;
+  seq_step = 0;
+  seq_chain_active_step = 0;
+
+  MicroDexed[0]->panic();
+#if NUM_DEXED > 1
+  MicroDexed[1]->panic();
+#endif
 }
 
 void handleActiveSensing(void)