123 ROCK | Led Zeppelin - IV - 1971 | Robert Plant (Robert Anthony Plant) - August 20, 1948 - West Bromwich, Staffordshire, England, United Kingdom - (Lead Vocals, Overdubbed Backing Vocals, Tambourine, Harmonica on «When the Levee Breaks»), Jimmy Page (James Patrick Page) - January 9, 1944 - Heston, Middlesex, London, England, United Kingdom - (Electric Guitar, Acoustic Guitar, Mandolin on «The Battle of Evermore»), John Paul Jones (John Baldwin) - January 3, 1946 - Sidcup, Kent, London, England, United Kingdom - (Bass Guitar, Electric Piano, Recorders, Mellotron on «Stairway to Heaven», Mandolin on «Going to California», EMS VCS 3, Acoustic Guitar on «The Battle of Evermore»), John Bonham (John Henry Bonham) (Also called : Bonzo, The Beast, Powerhouse) - May 31, 1948 - Redditch, Worcestershire, England, United Kingdom - (Drums) | Genre : Hard Rock, Heavy Metal, Blues Rock, Folk Rock