Metamorphosis is the fourth studio album by Iron Butterfly, released on August 13, 1970.

[1][2] Mike Pinera and Larry "El Rhino" Reinhardt joined Iron Butterfly for this album in early 1970.

It was the last studio album to feature original organist and vocalist Doug Ingle.

He explained that "the group continued its musical explorations, adding a layered production to its sound."

"[4] All tracks are written by Ron Bushy, Lee Dorman, and Doug Ingle, except where notedSongwriting credits per BMI Records.