@@ -58,7 +58,25 @@
   <audio data-key="76" src="sounds/tink.wav"></audio>
 
 <script>
+  
+  function playSound(e) {
+      const audio = document.querySelector(`audio[data-key="${e.keyCode}"]`);
+      const key = document.querySelector(`.key[data-key="${e.keyCode}"]`);
+      if(!audio) return;
+      audio.currentTime=0;
+      audio.play();
+      key.classList.add('playing');
+  }
 
+  function removeTransition(e) {
+    if(e.propertyName !== 'transform')return;//skip if it's not a transform
+    this.classList.remove('playing');
+  }
+
+  const keys = document.querySelectorAll('.key');
+  keys.forEach(key => key.addEventListener('transitionend', removeTransition));
+
+  window.addEventListener('keydown', playSound);
 </script>
 
 
 
@@ -0,0 +1,9 @@
+<!DOCTYPE html>
+<header>
+  <meta name="charset" content="utf-8">
+  <title>js drum kit</title>
+</header>
+<body>
+  
+</body>
+</html>