Bluegrass Underground (2011) : 7x12

This high energy, multi-genre band blasted out of Princeton, N.J. atop the furious harmonica riffs of frontman John Popper. Testing skills in blues, reggae, folk, hip-hop, soul, and southern rock, the band in the end emerged as key players among the growing and loyal Jamband audiences. The Grammy-winning band is also known for its Top 40 hits such as Hook and Run-Around.