<P> Iron Butterfly is an American rock band best known for the 1968 hit `` In - A-Gadda - Da - Vida '' , providing a dramatic sound that led the way towards the development of hard rock and heavy metal music . Formed in San Diego , California , among band members who used to be `` arch enemies '' , their heyday was the late 1960s , but the band has been reincarnated with various members with varying levels of success , with no new recordings since 1975 . The band 's seminal 1968 album In - A-Gadda - Da - Vida is among the world 's 40 best - selling albums , selling more than 30 million copies . Iron Butterfly is also notable for being the first group to receive an RIAA platinum award . </P>
<P> Iron Butterfly is an American rock band best known for the 1968 hit `` In - A-Gadda - Da - Vida '' , providing a dramatic sound that led the way towards the development of hard rock and heavy metal music . Formed in San Diego , California , among band members who used to be `` arch enemies '' , their heyday was the late 1960s , but the band has been reincarnated with various members with varying levels of success , with no new recordings since 1975 . The band 's seminal 1968 album In - A-Gadda - Da - Vida is among the world 's 40 best - selling albums , selling more than 30 million copies . Iron Butterfly is also notable for being the first group to receive an RIAA platinum award . </P>
in what city was the band iron butterfly initially formed
in what city was the band iron butterfly initially formed
San Diego , California
San Diego , California