At Fillmore East June 27, the Fillmore East closed, and the band were invited to play a final, invitation-only concert, along with Edgar Winter, the Beach Boys and Country Joe McDonald. The Beach Boys initially refused to perform unless they headlined the event, but Graham refused, telling them that the Allman Brothers would be closing the show, and they were free to leave if they disagreed. The Allman Brothers' performance was used for additional tracks when an expanded version of "At Fillmore East", "The Fillmore Concerts", was reissued on CD. "At Fillmore East" showcases the band's eclectic mixture of blues, rock, country, and
Glass Harp (band) Northeast Ohio. This led to both supporting and headlining shows nationally from The Fillmore East to The Winterland Ballroom. On November 21, 1971, the band played an opening spot for The Kinks at New York City's prestigious Carnegie Hall, receiving a thunderous ovation at the end of their hour-long set. This performance was released as the "Live At Carnegie Hall" album in 1997. 1972 would be a pivotal year for the group. Having recently released a second album ("Synergy") Glass Harp were asked to perform a live concert on PBS in February. This broadcast would become groundbreaking in that it