Question: What was the name of the pop group that Agnetha Fältskog was in that sold over 380 million albums and singles?

Context articles: Agnetha Fältskogs bästa
Agnetha Fältskog Vol. 2
Geh' Mit Gott
Agnetha Fältskog (album)
Eyes of a Woman
Agnetha Fältskogs svensktoppar
Tio år med Agnetha
My Love, My Life (album)
Agnetha Fältskog De Första Åren
Agnetha Fältskog

Agnetha Fältskogs Bästa (Agnetha Fältskog's Best) is a compilation album by the Swedish pop singer and ABBA member Agnetha Fältskog.
 It was released in 1973 through CBS Cupol.
Agnetha Fältskog Vol.
 2 is the second solo album by the Swedish pop singer and ABBA member Agnetha Fältskog.
 It was recorded and released in 1969 through Cupol Records.
Geh' mit Gott is a compilation album in German by Swedish singer Agnetha Fältskog, released in 1994 by Royal Records.
 The album contains Fältskog's German singles recorded for Metronome and CBS between 1968 and 1972.
 It was quickly deleted and is now a collector's item amongst ABBA fans.
 Presumably, the original master tapes for the German recordings are lost, as the sound on this CD has been allegedly transferred from the original singles.
 The compilation's first release of the German singles was "Agnetha in Germany" by Odoriko Music, in 1989.
Agnetha Fältskog is the eponymous debut studio album by Swedish pop singer and future ABBA member Agnetha Fältskog.
 It was released in Sweden in early 1968 through Cupol Records.
Eyes of a Woman is the second English-language solo album by Swedish singer and former ABBA member Agnetha Fältskog, and her eighth album overall.
 It was released in March 1985 and was produced by Eric Stewart (of 10cc fame).
Agnetha Fältskogs svensktoppar is a compilation album released in 1998 by Swedish pop singer Agnetha Fältskog, known from the Sweden pop group ABBA.
 The songs on the album are hits by her on the Swedish hitlist Svensktoppen.
Tio år med Agnetha (Ten Years With Agnetha) is a 1979 compilation album by Swedish pop singer Agnetha Fältskog, one of the members of ABBA.
 The album, released when ABBA's international career was at its peak, features the most successful Swedish solo recordings Fältskog made before and during her career with the band and it was her last album on the CBS-Cupol label.
My Love, My Life is a compilation album released by Agnetha Fältskog, a former member of Swedish pop group ABBA, in 1996.
 The album is named after the ABBA song "My Love, My Life".
 The two-disc set primarily features Swedish-language songs recorded by Fältskog, but it also contains a few songs recorded in English, including some of her favourite ABBA songs, such as "My Love, My Life" and "The Winner Takes It All".
'Agnetha Fältskog De Första Åren 1967–1979' (Agnetha Fältskog the early years) is a box set by Swedish pop singer and ABBA member Agnetha Fältskog, released in 2004 .
Agnetha Fältskog (] , born 5 April 1950) is a Swedish musician, singer, songwriter, actress, and author.
 She achieved success in Sweden after the release of her debut album "Agnetha Fältskog" in 1968, and reached international stardom as a member of the pop group ABBA, which has sold over 380 million albums and singles worldwide, making them one of the best-selling music artists in history.