The founding members were Georg Wadenius (guitar), Bo Häggström (bass, piano and organ), and Tommy "Slim" Borgudd (drums) previously members of the pioneering Swedish rock group Lea Riders Group, which broke up in mid-1968.
Their first album, Made In Sweden With Love (1968), was a hit in Sweden and was nominated for a Grammy. They won the Swedish Grammis for Best Band in 1969 and 1970. The band was closely associated with the Stockholm music venue "Gyllene Cirkeln" and recorded a live album (Live! At the Golden Circle) there in 1970.