"Metamorphosis" is the fourth studio album by Iron Butterfly, released on August 13, 1970. The album achieved significant chart success, reaching number 16 on the US charts and number 31 in Canada. By early 1970, Mike Pinera and Larry "El Rhino" Reinhardt had joined Iron Butterfly.
The album was recorded at American Recording Studio and produced by Richard Podolor, with engineering by Bill Cooper.
The single Easy Rider from the album reached number 66 on the Billboard chart and number 48 in Canada, marking it as the band's biggest hit after In-A-Gadda-Da-Vida. Metamorphosis is also notable for featuring one of the earliest uses of the talk box in rock music, with Pinera employing it on the track Butterfly Bleu.
