--cięcie--
  let synth = new Tone.Synth({
  oscillator: { type: "square" },
    envelope: { attack: 0.1, decay: 0.3, sustain: 0.8, release: 0.1 },
    volume: -6
  }).toDestination();

  synth.triggerAttackRelease("A3", 0.9, 0);
  synth.triggerAttackRelease("B3", 0.9, 1);
  synth.triggerAttackRelease("C#4", 0.9, 2);
  synth.triggerAttackRelease("D4", 0.9, 3);
  synth.triggerAttackRelease("E4", 0.9, 4);
  synth.triggerAttackRelease("F#4", 0.9, 5);
  synth.triggerAttackRelease("G#4", 0.9, 6);
  synth.triggerAttackRelease("A4", 0.9, 7);
});
