Biography
Björn Kristian Ulvaeus (Swedish: [ˈbjœːɳ ɵlˈvěːɵs] ; born 25 April 1945) is a Swedish musician, singer, songwriter, and producer best known as a member of the musical group ABBA. He is also the co-composer of the musicals Chess, Kristina från Duvemåla, and Mamma Mia! He co-produced the films Mamma Mia! and Mamma Mia! Here We Go Again with fellow ABBA member and close friend Benny Andersson. He is the oldest member of the group.
Bio from Wikipedia
Discography
Records they worked on — most-collected first.

Gold (Greatest Hits)
1992

Voulez-Vous
1979

Super Trouper
1980

Arrival
1976

The Album
1977

Whitney
1987

The Visitors
1981

It's A Shame About Ray
1992

Greatest Hits
1975

Voyage
2021

Greatest Hits Vol. 2
1979

ABBA
1975

Confessions On A Dance Floor
2005

Waterloo
1974

If You Have Ghost
2013

Chess
1984

One Night In Bangkok
1984

Ring Ring
1973

Mamma Mia! (The Movie Soundtrack Featuring The Songs Of ABBA)
2008

Abba-Esque
1992

Information Society
1988

Fernando
1976

Waterloo
1974

More ABBA Gold (More ABBA Hits)
1993
Credited work
6,968 releases · 1,261 albums · active 1964–2026
- Performance · 13,609
- Other credits · 1,098
- Production · 848
- Engineering · 1
Studios: Metronome Studio, Stockholm · Polar Studios · Marcus Music · Glen Studio
Frequent collaborators
- Various
- ABBA
- Hootenanny Singers
- Unknown Artist
- Elaine Paige
- Agnetha Fältskog
- James Last
- Benny Andersson
