Cyanogenmod 9's new music app features detailed
play/pause or skip a song by shaking your device. There will also be gesture controls throughout the app, and custom controls that you can set up in the notification tray. There will also be options to search the Android Market and set ringtones.
One of the coolest options is that Neal says he is planning to add in a full theme engine to the app to let you customize the look and feel to your heart's content. Unfortunately, there's no working beta right now, but Neal says he's planning to release one into the Android Market soon.
source: The Verge