Question: Power Balladz, is a live comedy performance featuring a mixture of comedy, trivia, and iconic rock n' roll songs from the 70s, 80s & 90s, the comedy's musical blend includes songs by Heart, a rock band that first found success in Canada and later in the United States and worldwide, are of which nationality ?
Sentence (from "List of Heart band members"): In its original lineup the band had six members, then five in its second incarnation, and is again at six currently.
Relevant evidence: No