Heart is an American rock band formed in Seattle in 1967. The band evolved from previous projects led by the founding members Roger Fisher (guitar) and Steve Fossen, including The Army (1967–1969), Hocus Pocus (1969–1970), and White Heart (1970–1973). By 1975, the original members Fisher, Fossen, and Ann Wilson along with Nancy Wilson, Michael Derosier (drums) and Howard Leese formed the lineup for the band's initial mid- to late-1970s success period. These core members were included in the band