Let's fancy on rock and phantasms or allegedly, non-proofed stories...

So here is "music and phantasm"

# 1 - Reportedly; Iggy Pop had sex performing on stage with the Stooges in the seventies. A roadie would pick up a girl in the audience. He would bring her on stage, where lies a canopy bed.

Hidden by the veils, Iggy and the girl make love, while the Stooges performing a torrid blues. The going-wild audience see nothing, but can hear the whispers and the screams, thanks to an indiscreet sound system in the canopy bed.

I have heard that in the seventies. Legend or fact?