ABBA was a Swedish pop group formed in Stockholm in 1972 consisting of two married couples - Agnetha Fältskog & Björn Ulvaeus and Benny Andersson & Anni-Frid Lyngstad. They found international success with catchy songs featuring strong melodies and female vocals. ABBA entered the Eurovision Song Contest twice, first failing and then winning in 1974 which launched their hit "Waterloo". They produced several successful albums from 1973-1981 before splitting up after the two couples divorced. Their music formed the basis of the successful musical and film Mamma Mia.

1. ABBA

2. Background information Also known as : Björn & Benny, Agnetha & Anni-Frid. Origins: Stockholm, Sweden. Genres: Pop, Disco, Europop. Years active: 1972–1983. They split up after both couples divorded.

3. MUSIC catchy song hooks simple lyrics sound effects Amazing female singers' voices YouTube - dancing queen video original one of the world's best-selling bands, having sold over 375 million records worldwide. They still sell two to three million records a year.

4. Abba in Eurovision ABBA entered with “Ring Ring" but failed. In 1974 the group participated with “Waterloo”. They won and “Waterloo” became a hit. YouTube - ABBA - Waterloo

5. Anni-Frid Lyngstad She was born 15 November 1945 in Bjørkåsen, Ballangen, Norway. At the age of 13, she got her first job as a dancer and singer in 1958, with The Evald Eks Orchestra. She married Benny.

6. Björn Ulvaeus He was born 25 April 1945 in Sweden. He is musician and composer. He married Agnetha.

7. Benny Andersson He was born in Stockholm, Sweden on 16 December 1946. He is a musician and composer. He married Anni-Frid.

8. Agnetha Fältskog She was born 5 April 1950. She is an artist and entertainer. She married Björn.

9. Discography Ring Ring (1973) Waterloo (1974) ABBA (1975) Arrival (1976) The Album (1977) Voulez-Vous (1979) Super Trouper (1980) The Visitors (1981)

10. MAMMA MIA Is a song from the 3rd album and also the name of the musical based on their songs. It had a lot of success on theatres and in 2008 the film was released. YouTube - Abba - Mamma Mia

11. The film Actors: Meryl Streep, Pierce Brosnan, Colin Firth, and Stellan Skarsgård and Amanda Seyfried. YouTube - The New Mamma Mia ! Trailer