Mountain Jam Mountain Jam "Mountain Jam" is an improvised instrumental jam by The Allman Brothers Band. The song's first known recording is on May 4, 1969 at Macon Central Park. "Mountain Jam" was originally released on the 1972 "Eat a Peach" album, as recorded at the Fillmore East concert hall, in March 1971 during the same sessions that produced their prior live double album "At Fillmore East". That is the rendition that is best known. Other live recordings have been released on the albums "Fillmore East, February 1970", "", "", "The Fillmore Concerts", and deluxe edition of "At Fillmore East" (1971). Notably,
At Fillmore East Phil Walden explained to executives that the band were less of a studio band and that live performances were most important to them. In all, the album featured seven songs spread over four vinyl sides. The album received strong initial sales. While previous albums by the band had taken months to hit the charts (often near the bottom of the top 200), the record started to climb the charts after a matter of days. "At Fillmore East" peaked at number thirteen on "Billboard" Top Pop Albums chart, and was certified gold by the Recording Industry Association of America that October.