diff --git a/util/midi_converter/main.js b/util/midi_converter/main.js
index d1d57ea..b939e77 100644
--- a/util/midi_converter/main.js
+++ b/util/midi_converter/main.js
@@ -1,38 +1,38 @@
 /* eslint-disable max-len */
 /* eslint-disable require-jsdoc */
-const {Midi} = require('@tonejs/midi');
-const {convertNote, convertPercussionNote} = require('./convert_note.js');
+const { Midi } = require('@tonejs/midi')
+const { convertNote, convertPercussionNote } = require('./convert_note.js')
 
-function convertMidi(midi) {
-  if (!(midi instanceof Midi)) throw new TypeError('midi must be an instance of require(\'@tonejs/midi\').Midi');
+function convertMidi (midi) {
+  if (!(midi instanceof Midi)) throw new TypeError('midi must be an instance of require(\'@tonejs/midi\').Midi')
 
-  let noteList = [];
+  let noteList = []
   for (const track of midi.tracks) {
     for (const note of track.notes) {
-      const mcNote = (track.instrument.percussion ? convertPercussionNote : convertNote)(track, note);
+      const mcNote = (track.instrument.percussion ? convertPercussionNote : convertNote)(track, note)
       if (mcNote != null) {
-        noteList.push(mcNote);
+        noteList.push(mcNote)
       }
     }
   }
 
-  noteList = noteList.sort((a, b) => a.time - b.time);
+  noteList = noteList.sort((a, b) => a.time - b.time)
 
   // It might be better to move some of this code to the converting loop (for performance reasons)
-  let maxVolume = 0.001;
+  let maxVolume = 0.001
   for (const note of noteList) {
-    if (note.volume > maxVolume) maxVolume = note.volume;
+    if (note.volume > maxVolume) maxVolume = note.volume
   }
   for (const note of noteList) {
-    note.volume /= maxVolume;
+    note.volume /= maxVolume
   }
 
-  let songLength = 0;
+  let songLength = 0
   for (const note of noteList) {
-    if (note.time > songLength) songLength = note.time;
+    if (note.time > songLength) songLength = note.time
   }
 
-  return {name: midi.header.name, notes: noteList, loop: false, loopPosition: 0, length: songLength};
+  return { name: midi.header.name, notes: noteList, loop: false, loopPosition: 0, length: songLength }
 }
 
-module.exports = {convertMidi, convertNote, convertPercussionNote};
+module.exports = { convertMidi, convertNote, convertPercussionNote }