he was often known as the fifth member of which group?
Songwriter/manager/producer Stig Anderson was often known as the fifth member of which group?
Andersson-Ulvaeus Abba ABBA ABBA ABBA ABBA in the United States ABBA in the United States Festfolket Agnetha Björn Benny Anni-Frid infina ab A.B.B.A. abba band list of abba tribute bands festfolket A.B.A. Abba (band) Benny and Bjorn benny and bjorn Infina abba b b b Invest Finans AB ABBA (band) abba in united states List of ABBA tribute bands Infina AB infina andersson ulvaeus invest finans ab agnetha björn benny anni frid
Abba
Section::::Solo careers.:Agnetha Fältskog and Anni-Frid Lyngstad.

ABBA
880
Section::::History.:1970–1973: Forming the group.:Official naming.

ABBA
880
Section::::Abstract.
Stig Anderson
27060
Section::::Abstract.
ABBA
880
Section::::Abstract.
Mamma Mia! (film)
8425661
Section::::History.:1973–1976: Breakthrough.:Post-Eurovision.

ABBA
880
Section::::Abstract.
Mamma Mia! (film)
8425661
Section::::History.:1958–1970: Before ABBA.:Member origins and collaboration.

ABBA
880