#17 Björn Ulvaeus and Norwegian-Swedish singer, songwriter, and environmentalist Anni-Frid Lyngstad of pop group ABBA performs on stage at the Royal Albert Hall, London, UK, 15th February 1977.

ABBA: The Swedish Pop Sensation of the 1970s that Rocked the World

#17 Björn Ulvaeus and Norwegian-Swedish singer, songwriter, and environmentalist Anni-Frid Lyngstad of pop group ABBA performs on stage at the Royal Albert Hall, London, UK, 15th February 1977.

Music