Tiny Dancer Schizoid Man

«12.Were Elton John and Brian Ferry ever potential members of KC?

From the liner notes from 'A Young Person's Guide to King Crimson' (YPG):
"Elton had been booked to sing all the songs on 'Poseidon' for £250 as a session singer and as I wasn't familiar with his work, Mark Fenwick of E. G. gave me a copy of Elton's first album. But his style didn't seem right for Crimson and the album was poor, so I canceled the sessions. (...)»

in King Crimson FAQ