Allman Brothers Band

Set includes material recorded by Grateful Dead's soundman at famous New York City venue a year before more famous shows.

'Trouble No More: 50th Anniversary Collection' compiles 61 tracks, including seven unreleased songs, from 13 different lineups of the band.

Former members of the band's final lineup will play Madison Square Garden.

Their 24th album was at once like and unlike anything the band had ever done before.