Led Zeppelin were an English rock band formed in London in 1968. The band comprised vocalist Robert Plant, guitarist Jimmy Page, bass-guitarist and keyboardist John Paul Jones and drummer John Bonham. Their combination of a heavy electric-guitar sound with elements of blues and folk music popularised album-oriented rock and stadium rock and established them as the progenitor of hard rock and heavy metal. They are amongst the best-selling music artists of all time, with an estimated 200 to 300 million... [more on Wikipedia]