Failed to execute 'disconnect' on 'AudioNode'

<img width="403" alt="screen shot 2016-02-17 at 12 57 35" src="https://cloud.githubusercontent.com/assets/23627/13108905/34b070ae-d576-11e5-80ad-3bba6ed59b95.png">

Any hints? I got an event attached on song loaded, but it is not triggered, so it happens on loading the song (Before any playback)
