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 led to what I suppose are inevitable comparisons to the Dead in its better days." In a less enthusiastic review for "The Village Voice", Robert Christgau gave "At Fillmore East" a "B–" grade and said the songs "sure do boogie", but ultimately found it musically aimless: "even if Duane Allman plus Dickey Betts does equal Jerry Garcia, the Dead know roads are for getting somewhere. That is, Garcia (not to bring in John Coltrane) always takes you someplace unexpected on a long solo. I guess the appeal here is the inevitability of it all." In a retrospective review, AllMusic editor