text: const buttons = document.querySelectorAll('button');
  
  let playNote = event => {
      console.log(event.target)
      const button = event.target;
      const note = button.dataset.note;
      console.log(`audio${note}`);
      const audio = document.getElementById(`audio${note}`);
      audio.pause();
      audio.currentTime = 0;
      audio.play();
  }
  
  buttons.forEach(
      button => button.addEventListener('click', playNote)
  );
  
  document.addEventListener('keydown', 
      event => {
          const key = event.key;
          const button = document.querySelector(`button[data-key="${key}"]`);
          if(button) button.click();
      }
  );
  