Frank Zappa

Flat delivery and breaking character ensured his first guest host spot was also his last.

Previously unreleased recordings from proposed 'Hot Rats' follow-up includes unissued LP plus two additional discs of 1970 sessions.

Recorded in 1970, the songs are believed to have been for a follow-up to solo debut 'Hot Rats.'

Jethro Tull leader was too embarrassed to speak to dying artist: "Each time I hung up in panic."

Composer, battling terminal cancer, conducted Ensemble Modern during performance in September 1992.

Deal includes rock visionary's recordings, publishing catalog, film archive, Vault containing his life's work and his name and likeness.

Eight-CD 'The Mothers 1971' includes entire John Lennon and Yoko Ono encore.

Composer recruited backing band the Mothers, Ringo Starr and Keith Moon for cameos in debut film.

He also performed with Wham!, Tina Turner and others.

Soundtrack album becomes super-deluxe six-disc box set.