ENTERPRISE, AL - JUNE 15: Zac Brown joins Alan Jackson and perform together at the 2012 BamaJam Music and Arts Festival - Day 2 on BamaJam Farms in Enterprise Alabama on June 15, 2012 (Photo by Rick Diamond/Getty Images)
ENTERPRISE, AL - JUNE 15: Zac Brown joins Alan Jackson and perform together at the 2012 BamaJam Music and Arts Festival - Day 2 on BamaJam Farms in Enterprise Alabama on June 15, 2012 (Photo by Rick Diamond/Getty Images)
