Iron Butterfly

Iron Butterfly is often considered to be the first metal band. They are known for pioneering the original metal known as "stoner metal", a genre also associated with Led Zeppelin, The Jimi Hendrix Experience, and Black Sabbath. They are best known for their epic song In-A-Gadda-Da-Vida, reduced from over ten minutes to about two minutes for the single version. Album In-A-Gadda-Da-Vida went platinum with Ball going gold and Metamorphosis also being a hit. They have been considered for the Hall of Fame before but not chosen.