p3",
    "note_Eb4.mp3",
    "note_Gb4.mp3",
    "note_Ab4.mp3",
    "note_Bb4.mp3",
    "note_C5.mp3",
    "note_D5.mp3",
    "note_E5.mp3",
    "note_F5.mp3",
    "note_G5.mp3",
    "note_A5.mp3",
    "note_B5.mp3",
    "note_Db5.mp3",
    "note_Eb5.mp3",
    "note_Gb5.mp3",
    "note_Ab5.mp3",
    "note_Bb5.mp3",
    "note_C6.mp3",
  ];

  let totalKeys = 0;

  const keyboard = new Map();
  const playerCollisionRemovalSchedule = new Map();
  const collisionRemovalDelay = 120;
  const mp3Notes = new Map()