In this clip from Donovan's concert at London's Royal Albert Hall on Friday night, Jimmy Page joined the singer for a jaunty rendition of his psychedelic pop hit "Sunshine Superman." Page, who played guitar on the original recording back when he was a session player in the days before Led Zeppelin, ripped through a note-perfect solo as the rest of the band added a bright, vaguely Medieval tonality to the playful folk tune.

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