What was the name of the pop group that Agnetha Fältskog was in that sold over 380 million albums and singles?
Eyes of a Woman: 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. Agnetha Fältskog:  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.
ABBA