Remove unused library, add a sample song

Scripts/Menu and Songs/FindSongs.cs

@@ -6,7 +6,6 @@ using UnityEngine;
 using TagLib;
 using System;
 using BangerTypes;
-using NAudio.Wave;
 using UnityEngine.Networking;
 
 
@@ -21,7 +20,7 @@ namespace MenuAndSongs
 
 			List<string> ls = Directory
 				.GetFiles(songPath)
-				.Where(file => Regex.IsMatch(file, ".*\\.mp3"))
+				.Where(file => Regex.IsMatch(file, ".*\\.rhys"))
 				.ToList();
 
 			return ls;