Who would be in your perfect supergroup? You may choose musicians who are dead or alive.

"This is the moment we've alll been waiting for. You are about to see history in the making. Calling themselves The Nazgul, for this once in a lifetime gig together, would you please welcome on stage: on drums - Mr Keith Moon of the Who; on bass guitar and violin, Mr Rick Grech of Family and Blind Faith; on rhythm guitar and harmonica, Mr Blind Owl Wilson from Canned Heat; on keyboards Mr Pigpen McKernan of the Grateful Dead; on vocals," and here his voice went up an octave, "Mr Jim Morrison and Miss Janis Joplin! And on lead guitar - Mr Jimi HENDRIX! They are - The Nazgul!"

A once-in-a-lifetime appearance was what Stu Roscoe had called it - but was any of them aware of the Grim Reaper waiting invisibly in the wings? This divine bill would read in retrospect like an obituary notice compiled by Satan.