This plugin implements more sound options, including audio panning! Now you can handle multiple background songs at once (if you want to cross fade two songs as you cross a given map area for example) and more!
WARNING! To enable this plugin, you must first update the file howler.js (v2.2.1) located in your game folder:
resources/app/Content/Datas/Scripts/Libs/howler.js
Tested with current version of howler.js (v2.2.4), available at
https://github.com/goldfire/howler.js/blob/master/dist/howler.js
Author: Russo