Added comments

audioPlayerPlaylist.js

@@ -1,3 +1,10 @@
+// Each list in the musicList should contain 5 strings as follows
+// 1: Path to the music file
+// 2: Track title
+// 3: Artist name
+// 4: Track length
+// 5: Path to the art file
+
 const musicList = [
 	["media/declare_war_on_all_vocaloid", "Declare War on All Vocaloid", "Sukone Tei", "05:53", "art/declare_war_on_all_vocaloid.png"],
 	["media/chains.m4a", "Chains", "Sukone Tei", "05:46", "art/chains.png"],