The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

Bob Weir and Rat Dog performs during Mountain Jam at Hunter Mountian, Hunter, NY

Beats Antique perform at the 10th Annual Mountain Jam at Hunter Mountian, Hunter, NY

Sister Sparrow performs during Mountain Jam at Hunter Mountian, Hunter, NY

Aerials of the venue during Derek Trucks and Susan Tedeschi of the Tadeschi Trucks Band performs during Mountain Jam at Hunter Mountian, Hunter, NY

The Allman Borthers perform during Mountain Jam at Hunter Mountian, Hunter, NY

Seth Avett, The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

Bob Weir sits in with The Avett Brothers during their performance at the Mountain Jam festival at Hunter Mountian, Hunter, NY

Beats Antique perform at the 10th Annual Mountain Jam at Hunter Mountian, Hunter, NY

Antibalas performs during Mountain Jam at Hunter Mountian, Hunter, NY

Jeff Tweedy performs during Mountain Jam at Hunter Mountian, Hunter, NY

Jackie Greene performs during Mountain Jam at Hunter Mountian, Hunter, NY

Michael Franti and Spearhead performs during Mountain Jam at Hunter Mountian, Hunter, NY

Scott Avett, The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

Bob Weir sits in with The Avett Brothers during their performance at the Mountain Jam festival at Hunter Mountian, Hunter, NY

Bob Weir sits in with The Avett Brothers during their performance at the Mountain Jam festival at Hunter Mountian, Hunter, NY

Beats Antique perform at the 10th Annual Mountain Jam at Hunter Mountian, Hunter, NY

The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

Warren Haynes sits in with Jonathan WIlson during his performance at the Mountain Jam Festivla at Hunter Mountian, Hunter, NY

Pretty Lights performs during Mountain Jam at Hunter Mountian, Hunter, NY

Lucius performs during Mountain Jam at Hunter Mountian, Hunter, NY

The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

Bob Weir sits in with The Avett Brothers during their performance at the Mountain Jam festival at Hunter Mountian, Hunter, NY

Bob Weir and Rat Dog performs during Mountain Jam at Hunter Mountian, Hunter, NY

Beats Antique perform at the 10th Annual Mountain Jam at Hunter Mountian, Hunter, NY

Bob Weir and Rat Dog performs during Mountain Jam at Hunter Mountian, Hunter, NY

Damian "Jr. Gong" Marley performs during Mountain Jam at Hunter Mountian, Hunter, NY

Anders Osborne performs during Mountain Jam at Hunter Mountian, Hunter, NY

The Avett Brothers perform during Mountain Jam at Hunter Mountian, Hunter, NY

Bob Weir sits in with The Avett Brothers during their performance at the Mountain Jam festival at Hunter Mountian, Hunter, NY

Bob Weir and Rat Dog performs during Mountain Jam at Hunter Mountian, Hunter, NY

Beats Antique perform at the 10th Annual Mountain Jam at Hunter Mountian, Hunter, NY

Beats Antique perform at the 10th Annual Mountain Jam at Hunter Mountian, Hunter, NY

Derek Trucks and Susan Tedeschi of the Tadeschi Trucks Band performs during Mountain Jam at Hunter Mountian, Hunter, NY

Chris Robinson of the Black Crows performs during Mountain Jam at Hunter Mountian, Hunter, NY