Fleetwood Mac is a British-American rock band, formed in London in 1967. Fleetwood Mac was founded by guitarist Peter Green, drummer Mick Fleetwood and guitarist Jeremy Spencer, before bassist John McVie joined the lineup for their self-titled debut album. Danny Kirwan joined as a third guitarist in 1968. Keyboardist Christine Perfect (later known as Christine McVie), who contributed as a session musician from the second album, married McVie and joined in 1970. Primarily a British blues band, Fleetwood Mac scored a UK number one with "Albatross", and had other hits such as the singles "Oh Well" and "Man of the World".