Imaginary Diseases is an album of material by Frank Zappa from the Petit Wazoo tour of 1972. It is one of two finished CD projects from the tour containing material mastered by Zappa before his death. The name of the album is derived from a lyric in the Apostrophe (') (1974) song "Stink-Foot". Track listing All tracks written, composed and arranged by Frank Zappa. Personnel Frank Zappa – conductor, guitar, vocals Earl Dumler – woodwinds Tom Malone – saxes, piccolo trumpet, trumpet, tuba Malcolm McNab – trumpet Gary Barone – trumpet, flugelhorn Glenn Ferris – trombone Bruce Fowler – trombone Tony Duran – slide guitar Dave Parlato – bass Jim Gordon – drums Composed/Produced/Performed/Edited/Mixed/Tweaked by Frank Zappa Vaultmeistered by Joe Travers. Mastered by Doug Sax & Robert Hadley Liner notes by Steve Vai. References External links Imaginary Diseases at Zappa.com Live albums published posthumously Frank Zappa live albums 2006 live albums Zappa Records albums