The term 'SOS GROUP' is a crossword solution that can be found in the popular Swedish pop group ABBA. The acronym stands for 'Save Our Souls', which was the title of their 1974 hit single. The group was formed in 1972 and consisted of Benny Andersson, Björn Ulvaeus, Agnetha Fältskog, and Anni-Frid Lyngstad. They are best known for their catchy melodies and upbeat lyrics, which made them one of the most successful musical acts of the 1970s.