Google has updated its Music Beta by Google music service for Android devices, and the latest version which is Music Beta 3.0.1 comes with a number of bug fixes and enhancements.
The latest version of Music Beta by Google should fix a number of problems, including problems with the app crashing with certain ROMS, and there is also improved track management.
You can now delete tracks that have been saved to your Android devices SD card from within the app, you can find out more details over at the Android Market.
Source Pocket Now