 byte state = IDLE_LIGHT_UP;
 byte nextLED = 0;
 byte playingAlbum;
+File album;
 
 
 /*************************************************** 

  trellis.writeDisplay();
}

void playAlbumNew(byte index) {
  switch (index) {
    case 0: player.startPlayingFile("track001.mp3"); break;
    case 1: player.startPlayingFile("track002.mp3"); break;
    case 2: player.startPlayingFile("track003.mp3"); break;
    case 3: player.sineTest(0x44, 500); break;
  }
}

void stopPlayingAlbum() {
  player.stopPlaying();
  delay(20);
}

    while (1);  // don't do anything more
  }
  Serial.println("SD initialized");

  File root = SD.open("/");
  while(true) {
    File entry = root.openNextFile();
    if (!entry) break;
    Serial.print(entry.name());
    if (entry.isDirectory()) {
      Serial.println("/");
    } else {
      Serial.print("\t\t");
      Serial.println(entry.size(), DEC);
    }
  }
}

void initializePlayer() {
