Among those who have covered Tim Buckley's "Song to the Siren" is John Frusciante, Sinead O'Connor and Bryan Ferry. But Plant ...

John Prine and Led Zeppelin don't have much in common, however, that didn't stop Robert Plan from gushing over the man's profound work.

Robert Plant has enjoyed great solo success since the 1980s, and recently won five Grammy Awards for the album Raising Sand, in which he collaborated with bluegrass singer Alison Krauss.