The Grand Wazoo Tour. Wazoo is a live album by Frank Zappa, posthumously released in October 2007 as a 2-CD set consisting of the complete concert given by "The Mothers of Invention/Hot Rats/Grand Wazoo" 20-piece big band on September 24, 1972 at the Music Hall, Boston, Massachusetts, United States. It is the last concert of a short series of shows that marked Zappa's return to the stage after his forced temporary retirement from the touring scene due to injuries sustained from an assault during a concert at the Rainbow Theater in London on 10 December 1971 had suffered - https://de.wikichamsoc.com/165640-waz... The material showcases Zappa's endeavors in jazz-based music, and many of the compositions were featured on the 1972 studio albums The Grand Wazoo and Waka/Jawaka and on the 1978 studio album Studio Tan. Rehearsals leading to these albums and concerts are documented on Joe's Domage (2004), while Imaginary Diseases (2006) presents live recordings with a stripped-down version of the big band named 'Petit Wazoo'. Musicians : The Mothers of Invention / Hot Rats / Grand Wazoo: Frank Zappa – guitar and white stick with cork handle Tony Duran – slide guitar Ian Underwood – electric piano and synthesizer Jerry Kessler – electric cello Dave Parlato – bass Tom Raney – vibes and electric percussion Ruth Underwood – marimba and electric percussion Jim Gordon – acoustic & electric drums Mike Altshul – piccolo flute, bass clarinet and other winds Jay Migliori – flute, tenor sax and other winds Earl Dumler – oboe, contrabass sarrusophone and other winds Ray Reed – clarinet, tenor sax and other winds Charles Owens – soprano sax, alto sax and other winds Joann McNab – bassoon Malcolm McNab – trumpet in D Sal Marquez – trumpet in Bb Tom Malone – trumpet in Bb, also tuba Bruce Fowler – trombone of the upper atmosphere Glenn Ferris – trombone and euphonium Kenny Shroyer – trombone and baritone horn