diff --git a/util/midi_converter/percussion_map.js b/util/midi_converter/percussion_map.js
index 5cdd796..e15abf8 100644
--- a/util/midi_converter/percussion_map.js
+++ b/util/midi_converter/percussion_map.js
@@ -1,58 +1,58 @@
-const instruments = require('./instruments.json')
+const instruments = require('./instruments.json');
 
 module.exports = [
   ...new Array(35).fill(null), // offset
-  { pitch: 10, instrument: instruments.basedrum },
-  { pitch: 6, instrument: instruments.basedrum },
-  { pitch: 6, instrument: instruments.hat },
-  { pitch: 8, instrument: instruments.snare },
-  { pitch: 6, instrument: instruments.hat },
-  { pitch: 4, instrument: instruments.snare },
-  { pitch: 6, instrument: instruments.basedrum },
-  { pitch: 22, instrument: instruments.snare },
-  { pitch: 13, instrument: instruments.basedrum },
-  { pitch: 22, instrument: instruments.snare },
-  { pitch: 15, instrument: instruments.basedrum },
-  { pitch: 18, instrument: instruments.snare },
-  { pitch: 20, instrument: instruments.basedrum },
-  { pitch: 23, instrument: instruments.basedrum },
-  { pitch: 17, instrument: instruments.snare },
-  { pitch: 23, instrument: instruments.basedrum },
-  { pitch: 24, instrument: instruments.snare },
-  { pitch: 8, instrument: instruments.snare },
-  { pitch: 13, instrument: instruments.snare },
-  { pitch: 18, instrument: instruments.hat },
-  { pitch: 18, instrument: instruments.snare },
-  { pitch: 1, instrument: instruments.hat },
-  { pitch: 13, instrument: instruments.snare },
-  { pitch: 2, instrument: instruments.hat },
-  { pitch: 13, instrument: instruments.snare },
-  { pitch: 9, instrument: instruments.hat },
-  { pitch: 2, instrument: instruments.hat },
-  { pitch: 8, instrument: instruments.hat },
-  { pitch: 22, instrument: instruments.basedrum },
-  { pitch: 15, instrument: instruments.basedrum },
-  { pitch: 13, instrument: instruments.snare },
-  { pitch: 8, instrument: instruments.snare },
-  { pitch: 8, instrument: instruments.hat },
-  { pitch: 3, instrument: instruments.hat },
-  { pitch: 20, instrument: instruments.hat },
-  { pitch: 23, instrument: instruments.hat },
-  { pitch: 24, instrument: instruments.hat },
-  { pitch: 24, instrument: instruments.hat },
-  { pitch: 17, instrument: instruments.hat },
-  { pitch: 11, instrument: instruments.hat },
-  { pitch: 18, instrument: instruments.hat },
-  { pitch: 9, instrument: instruments.hat },
-  { pitch: 5, instrument: instruments.hat },
-  { pitch: 22, instrument: instruments.hat },
-  { pitch: 19, instrument: instruments.snare },
-  { pitch: 17, instrument: instruments.hat },
-  { pitch: 22, instrument: instruments.hat },
-  { pitch: 22, instrument: instruments.snare },
-  { pitch: 24, instrument: instruments.chime },
-  { pitch: 24, instrument: instruments.chime },
-  { pitch: 21, instrument: instruments.hat },
-  { pitch: 14, instrument: instruments.basedrum },
-  { pitch: 7, instrument: instruments.basedrum }
-]
+  {pitch: 10, instrument: instruments.basedrum},
+  {pitch: 6, instrument: instruments.basedrum},
+  {pitch: 6, instrument: instruments.hat},
+  {pitch: 8, instrument: instruments.snare},
+  {pitch: 6, instrument: instruments.hat},
+  {pitch: 4, instrument: instruments.snare},
+  {pitch: 6, instrument: instruments.basedrum},
+  {pitch: 22, instrument: instruments.snare},
+  {pitch: 13, instrument: instruments.basedrum},
+  {pitch: 22, instrument: instruments.snare},
+  {pitch: 15, instrument: instruments.basedrum},
+  {pitch: 18, instrument: instruments.snare},
+  {pitch: 20, instrument: instruments.basedrum},
+  {pitch: 23, instrument: instruments.basedrum},
+  {pitch: 17, instrument: instruments.snare},
+  {pitch: 23, instrument: instruments.basedrum},
+  {pitch: 24, instrument: instruments.snare},
+  {pitch: 8, instrument: instruments.snare},
+  {pitch: 13, instrument: instruments.snare},
+  {pitch: 18, instrument: instruments.hat},
+  {pitch: 18, instrument: instruments.snare},
+  {pitch: 1, instrument: instruments.hat},
+  {pitch: 13, instrument: instruments.snare},
+  {pitch: 2, instrument: instruments.hat},
+  {pitch: 13, instrument: instruments.snare},
+  {pitch: 9, instrument: instruments.hat},
+  {pitch: 2, instrument: instruments.hat},
+  {pitch: 8, instrument: instruments.hat},
+  {pitch: 22, instrument: instruments.basedrum},
+  {pitch: 15, instrument: instruments.basedrum},
+  {pitch: 13, instrument: instruments.snare},
+  {pitch: 8, instrument: instruments.snare},
+  {pitch: 8, instrument: instruments.hat},
+  {pitch: 3, instrument: instruments.hat},
+  {pitch: 20, instrument: instruments.hat},
+  {pitch: 23, instrument: instruments.hat},
+  {pitch: 24, instrument: instruments.hat},
+  {pitch: 24, instrument: instruments.hat},
+  {pitch: 17, instrument: instruments.hat},
+  {pitch: 11, instrument: instruments.hat},
+  {pitch: 18, instrument: instruments.hat},
+  {pitch: 9, instrument: instruments.hat},
+  {pitch: 5, instrument: instruments.hat},
+  {pitch: 22, instrument: instruments.hat},
+  {pitch: 19, instrument: instruments.snare},
+  {pitch: 17, instrument: instruments.hat},
+  {pitch: 22, instrument: instruments.hat},
+  {pitch: 22, instrument: instruments.snare},
+  {pitch: 24, instrument: instruments.chime},
+  {pitch: 24, instrument: instruments.chime},
+  {pitch: 21, instrument: instruments.hat},
+  {pitch: 14, instrument: instruments.basedrum},
+  {pitch: 7, instrument: instruments.basedrum},
+];