When an item is requested to play, MP checks if the next file belongs to Music Extensions and if it does and Bassplayer is the engine used and crossfading is enabled, then the already playing file will not be stopped.

h4. Steps to Reproduce
1. Play an audio file in My Music.
2. Go to My Videos and play a file that has an extension that's also on the Music section in Configuration (e.g. mp4).

Playback of video will start but music will not stop.

h4. Additional Information
The issue only occurs if using BassPlayer and crossfading on.