"Rock and Roll" is a song by the English rock band Led Zeppelin, released as the second track on their fourth studio album in 1971. The song contains a guest performance by original Rolling Stones' pi

"Misty Mountain Hop" is a song by the English rock band Led Zeppelin that was released in 1971 by Atlantic Records. The song appears on the band's untitled fourth album, and was released as the B-side