Iron Butterfly is an American rock band formed in 1966, best known for their 1968 psychedelic rock masterpiece "In-A-Gadda-Da-Vida," which features one of rock music's most iconic organ solos. The band pioneered heavy psychedelic rock and helped define the sound of late 1960s rock music with their powerful performances and experimental approach. Their legacy continues to influence rock musicians and remains a staple of classic rock radio.
