Iron Butterfly

is an American rock band formed in San Diego, California, in 1966.

Studio albums
• Heavy (1968)
• In-A-Gadda-Da-Vida (1968)
• Ball (1969)
• Metamorphosis (1970)
• Scorching Beauty (1975)
• Sun and Steel (1975)

IronButterfly.com (official website) • Wikipedia