Compatible with Aria, iOS 7, iOS 8, and iPad.
Changes the playback rate with a button on the now playing page of the Music app.
Email me if it doesn't work for you.

No need for pressing a playback control anymore, all automatic.

Bug fix, Thanks to Chris Foreman for reporting it

IOS 8 is compatible

Better ipad support

Updated	November 4, 2014
License	Free Package