Rock! Rock! (Till You Drop) is from the third studio album Pyromania by English rock band Def Leppard, released on 20 January 1983. It featured new guitarist Phil Collen and was produced by Robert John "Mutt" Lange. The album was a huge success, charting at No. 2 on the Billboard 200 and No. 18 on the UK Albums Chart and selling over ten million copies in the US, and thus being certified diamond by the RIAA