Music Panel

This is a prototype for a new Music Panel in Omnimo. Essentially the same as the one in my Windows 8 Media Player concept: http://fediafedia.deviantart.com/art/Windows-8-Media-Player-Concept-274338933

I would like some feedback for potential improvement :)

P.S. This item follows Metro UI guidelines, please do not suggest things like adding gradients or noise or patterns to it.