Cold Hard Cash

Meet the Montana Band That Recently Jammed With Katy Perry and John Mayer [PHOTOS]
Meet the Montana Band That Recently Jammed With Katy Perry and John Mayer [PHOTOS]
Now here is a local music group that's really going places! The same group that performed live on David Letterman not too long ago, and that even had Justin Timberlake, John Oats,and Shawn Colvin in attendance at another one of their shows, has just stepped off stage after a spontaneous and star-studded jam session with John Mayer and Katy Perry!