Vintage live 2LP set from psych rock powerhouse band Iron Butterfly captured here at the peak of their popularity and powers! This show features mindblowing renditions of the classic rock anthems "Easy Rider" and "In-A-Gadda-Da-Vida" and was the final performance of the group's epic tour with then up-and-coming prog act Yes, who join the Butterfly onstage for a live farewell jam session! Limited edition SILVER vinyl!