something similar to above post happened to me yesterday.

While getting ready for work, I was listening to music using a bluetooth speaker and OMP. Before i left my house, I paused the widget, turned off bluetooth, and closed OMP. When I got to the office, I received a phone call. After pressing end button, boom! the music went off, i panicked, i had to hold down the speakers so it won't be too loud. Then I was able to hit pause on the media player widget.

is this caused by OMP?