It's no secret that the guys in Pearl Jam are Led Zeppelin fans, or that their 1998 single "Given to Fly" owes an obvious debt to Zeppelin's "Going to California."
There must be something going around among members of the British rock aristocracy, because three of its most prominent members have recently been forced to postpone tour dates.
In this edition of You Think You Know Classic Rock?, we make intriguing connections, uncover key inspirations and reveal a strange backstage request by former Led Zeppelin frontman Robert Plant.