Home Events MEMPHO Announces Late Night All-Star Tribute To Gregg Allman, Butch Trucks & Col. Bruce MEMPHO Announces Late Night All-Star Tribute To Gregg Allman, Butch Trucks & Col. Bruce planetsixstring September 16, 2017 comments off Tweet on Twitter Share on Facebook Google+ Pinterest Mempho organizers detail a late night tribute to Butch Trucks, Gregg Allman & Col. Bruce featuring many jam scene musicians.