diff --git a/01 - JavaScript Drum Kit/index-FINISHED.html b/01 - JavaScript Drum Kit/index-FINISHED.html
index 1a16d0997c..f3d7756040 100644
--- a/01 - JavaScript Drum Kit/index-FINISHED.html
+++ b/01 - JavaScript Drum Kit/index-FINISHED.html
@@ -1,83 +1,81 @@
-
-
- JS Drum Kit
-
-
-
+
+
+ JS Drum Kit
+
+
+
+
+
+ A
+ clap
+
+
+ S
+ hihat
+
+
+ D
+ kick
+
+
+ F
+ openhat
+
+
+ G
+ boom
+
+
+ H
+ ride
+
+
+ J
+ snare
+
+
+ K
+ tom
+
+
+ L
+ tink
+
+
+
+
+
+
+
+
+
+
+
-
-
- A
- clap
-
-
- S
- hihat
-
-
- D
- kick
-
-
- F
- openhat
-
-
- G
- boom
-
-
- H
- ride
-
-
- J
- snare
-
-
- K
- tom
-
-
- L
- tink
-
-
+
-
-
-
+ const keys = Array.from(document.querySelectorAll('.key'));
+ keys.forEach(key =>
+ key.addEventListener('transitionend', removeTransition)
+ );
+ window.addEventListener('keydown', playSound);
+
+
diff --git a/01 - JavaScript Drum Kit/index-START.html b/01 - JavaScript Drum Kit/index-START.html
index 4070d32767..6f0cc96b6d 100644
--- a/01 - JavaScript Drum Kit/index-START.html
+++ b/01 - JavaScript Drum Kit/index-START.html
@@ -1,66 +1,81 @@
-
-
- JS Drum Kit
-
-
-
+
+
+ JS Drum Kit
+
+
+
+
+
+ A
+ clap
+
+
+ S
+ hihat
+
+
+ D
+ kick
+
+
+ F
+ openhat
+
+
+ G
+ boom
+
+
+ H
+ ride
+
+
+ J
+ snare
+
+
+ K
+ tom
+
+
+ L
+ tink
+
+
+
+
+
+
+
+
+
+
+
-
-
- A
- clap
-
-
- S
- hihat
-
-
- D
- kick
-
-
- F
- openhat
-
-
- G
- boom
-
-
- H
- ride
-
-
- J
- snare
-
-
- K
- tom
-
-
- L
- tink
-
-
+
-
-
-
+ const keys = document.querySelectorAll('.key');
+ keys.forEach(key =>
+ key.addEventListener('transitionend', removeTransition)
+ );
+ window.addEventListener('keydown', playSound);
+
+