At Fillmore East During this time, the group began struggling with drug addictions. Everyone in the group, with the exception of the brothers, was also struggling to make a living (vocalist Gregg Allman received more money from royalty payments and Duane more from session work). In one incident, tour manager Twiggs Lyndon stabbed and killed a promoter for not paying the band; he later claimed temporary insanity. Their fortunes began to change over the course of 1971, where the band's average earnings doubled. The Allman Brothers Band had first played Fillmore East in December 1969, opening for Blood, Sweat & Tears for three
At Fillmore East in their 2003 list of The 500 Greatest Albums of All Time, describing it as "rock's greatest live double LP." The album was also included in the books "1001 Albums You Must Hear Before You Die" (2005) and "1,000 Recordings To Hear Before You Die" (2008). In the latter, author Tom Moon noted that, nearly forty years after its release, "[the album] remains one of the best live albums in rock history. Ornery and loud, it's perfect driving music for the road that goes on forever." Over the years several expanded editions of "At Fillmore East" have been released. On