Listen to a sound clip from when an unidentied person first introduced George Harrison to Led Zeppelin during one of The Beatles' Let It Be sessions around 1969-70. Some speculations say the unidentified person could be Glyn Johns.
Audio transcript:
"George, do you want to hear some of this Jimmy Page album?"
George Harrison (GH): Jimmy Page?
"He just produced a new album with his new group."
GH: Is he the one that was in The Yardbirds?
"Yeah."
GH: I think uh.. Is lunch ready?
"It's really unbelievable.
GH: Yeah, let me...
"Unbelieable.
GH: Very psychedelic though.
"Don't you like it?"
GH: Not that I mind psychedelic.
"And it's such a good group, it's so tight. John Paul Jones on bass."
GH: John Paul...?
"Jones. On bass. Don't you know any of them?
GH: No.
"Have you ever used them on sessions?"
GH: No.
"He's like the guv'nor. He's very young, he's about 24. The guv'nor bass player. Really good. And a kid called John Bonham on drums who is unbelievable."
"I think he was in a session with Paul [McCartney] last year with some of the other people there."