gov't mule

These are projects that don't include the keyboardist's two main bands, the Allman Brothers and the Rolling Stones.

His former Allman Brothers Band collaborator Derek Trucks appears on three songs.

Warren Haynes and band return with Billy Gibbons, Billy Bob Thornton and more quality blues rock.

The two guitar-based acts will hit the road for a brief tour in September.

Warren Haynes is celebrating Gov't Mule's 20th anniversary the right way -- by putting out a bunch of great music.