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Pyromania is the third studio album by British heavy metal band Def Leppard, released in 1983. It broke the band across North America and in Japan, and would sell over 10 million copies in the US alone. It featured new guitarist Phil Collen and was produced by Robert John "Mutt" Lange. The album was partially recorded with original guitarist Pete Willis, whose rhythm guitar tracks and backing vocals appear on all songs.
