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
At Fillmore East Betts and Allman trade long guitar solos, with one of Betts' solos quoting what would later become the main theme for the song "Les Brers in A Minor," as featured on the band's 1972 album "Eat a Peach". The song closes with "long, sustained notes" from Allman opposite Trucks' kettledrum. Applause concludes the album and the song fades out. During the fadeout, Trucks begins playing the tympani intro to "Mountain Jam" which would not be released in its entirety until its inclusion on "Eat a Peach". The band devised the cover idea for "At Fillmore East" rather than leaving it