Allan Schwartzberg (born December 28, 1942) is an American musician and record producer. He has been a member of the rock band Mountain, Peter Gabriel's first solo band, toured with Brecker Brothers' Dreams, B.J. Thomas, Linda Rondstadt, Stan Getz band, and the Pat Travers band. He has experienced success as a prolific session musician, through recordings made from the 1970s through today. He has also played on multi genre hits such as Gloria Gaynor "Never Can Say Goodbye", considered the first disco record, James Brown's "Funky President" (his beat has been sampled on 808 different records), Harry Chapin's "Cat's In The Cradle", Tony Orlando & Dawn's Tie A Yellow Ribbon, Peter Gabriel's "Solsbury Hill", the Spinners' "Workin' My Way Back to You", the Star Wars theme, and Rod Stewart's Great American Songbook series including the hit "What A Wonderful World". He has played with musicians and singers including John Lennon, Diana Ross, James Brown, Jimi Hendrix, Alice Cooper, Kiss, Frank Sinatra, Roxy Music, Rod Stewart, Robert Palmer, Grace Slick, Roberta Flack, Barry Manilow, Harry Chapin, Barbra Streisand, Deodato, Frankie Valli, Tony Orlando, and Roger Daltrey. He was also a frequent musician guest with Paul Shaffer's David Letterman Show band.