This is the biggest Summer ever for awesome country concerts with 1077 'GNA and another dandy is coming Zac Brown is back at SPAC.. Country Superstars The Zac Brown Band will be back at SPAC in August. They sold out SPAC last year and I wouldn't expect anything less this year for all their fans with 1077 'GNA! Tickets go on sale this Saturday at 10am at, and phone charge at 1-800-745-300. We'll see you there with 1077 'GNA!