in-a-gadda-da-vida

Iron Butterfly is an American psychedelic rock band best known for the 1968 hit "In-A-Gadda-Da-Vida". Their heyday was the late 1960s, but the band has been reincarnated with various members. In-A-Gadda-Da-Vida is the 31st best-selling album in the world, selling more than 25 million copies.