"The Many Rip-Offs of Led Zeppelin" - Led Zep's recent courtroom win against allegations of ripping off Stairway to Heaven shouldn't disguise the fact that the band have a long history of borrowing from other artists. RRR's law and music specialists, Cam Scott and Floyd Thursby from the Axe Grinders, take a look at Page & Plant's more questionable borrowings and ask: was Led Zeppelin ripping off copyright content, or merely riffing off the world's open-source songsheet?