       case SONG_SIGNATURE:
         handleSongSignature(decoded + 4);
         break;
+      case METRONOME:
+        handleMetronome(decoded + 3);
+        break;
     }
   }
 }

    }
  }

  if (stopButton.isJustPressed()) {
    stopButton.turnLedOn();
  }

    return NEXT_PART;
  } else if (strcmp(strings, "SS") == 0) {
    return SONG_SIGNATURE;
  } else if (strcmp(strings, "M") == 0) {
    return METRONOME;
  }
  return -1;
}
