American rock band formed in the mid‑1960s in California, best known for their 1968 album In‑A‑Gadda‑Da‑Vida and its seventeen‑minute title track; central figures in late‑60s psychedelic/acid rock.

Breakthrough came with the 1968 album In‑A‑Gadda‑Da‑Vida. Key members cited in the reviews include Doug Ingle (vocals, Hammond organ), Ron Bushy (drums), Erik Brann (guitar) and Lee Dorman (bass).

DeBaser reviews treat Iron Butterfly primarily as a late‑60s psychedelic/acid‑rock group best known for the 1968 breakthrough In‑A‑Gadda‑Da‑Vida. Reviewers praise the long title suite, Doug Ingle's organ and vocals, Erik Brann's guitar work and Ron Bushy's drums. Studio albums Heavy and Ball and the Live album receive favorable assessments.

For:Fans of 1960s psychedelic rock, classic rock listeners, record collectors

 The title track "In-A-Gadda-Da-Vida" is the true masterpiece.

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 In a Gadda Da Vida is psychedelic rock.

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 Giving a final judgment of the album, I consider it one of the best of the '60s and '70s... a must-have with your eyes closed...

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