1. Click on the Volume/Sound settings option in Ubuntu
2. Underneath Rhythmbox, click the Play icon.
3. Rhythmbox will load, however the icon does not turn into the Pause icon gracefully. It turns into a box (see attached screenshot).
4. Problem goes away after clicking back into the Volume/Sound area.
Reproducible sequence:
1. Click on the Volume/Sound settings option in Ubuntu
2. Underneath Rhythmbox, click the Play icon.
3. Rhythmbox will load, however the icon does not turn into the Pause icon gracefully. It turns into a box (see attached screenshot).
4. Problem goes away after clicking back into the Volume/Sound area.