Mountain Jam his best-known slide guitar, 23 minutes in. 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
Hampton Grease Band cult following, and was re-released on CD in 1996 with several minutes of additional material that had been edited off the vinyl release. The band was the lead-off band for Frank Zappa/Mothers last appearance at the Fillmore East on June 6, 1971. It was at this concert that Zappa and the Mothers recorded part of the "Live at the Fillmore East" album. Later that evening they were joined by John Lennon and Yoko Ono, also available in recorded versions. Lead guitarist Harold Kelling died in May, 2005. The Hampton Grease Band held their first reunion concert on June 2, 2006,