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 Stephen Thomas Erlewine gave the album five out of five stars and stated, "[it] remains the pinnacle of the Allmans and Southern rock at its most elastic, bluesy, and jazzy". Mark Kemp of "Rolling Stone" gave it five stars in a 2002 review and commented that "these shows [...] remain the finest live rock performance ever committed to vinyl", and the album "captures America's best blues-rock band at its peak". "At Fillmore East" was one of 50 recordings chosen in 2004 by the Library of Congress to be added to the National Recording Registry. "Rolling Stone" included at number 49