SOS - ABBA

"SOS" is a song by Swedish pop group ABBA. It was released in June 1975 as the fifth single from their self-titled 1975 album.
It was released with "Man in the Middle" as the B-side. Agnetha Fältskog, who sang lead, recorded the song in Swedish on her 1975 solo album Elva kvinnor i ett hus. "SOS" was ABBA's first major worldwide hit since "Waterloo".