1970s: ABBA
In April 1974, Blue Swede went to number one on the Billboard Hot 100 with the B. J. Thomas cover "Hooked on a Feeling". The band was renamed Blue Swede for the US.
Also in April 1974, ABBA won the Eurovision Song Contest in Brighton, England, with "Waterloo". It was a big success throughout Europe, and reached number six on the Billboard Hot 100. Over the next few years ABBA had 18 consecutive top ten hits in the UK, nine of them reaching number one. Having sold an estimated 370 million units worldwide, ABBA became the best-selling band of the 1970s. In 1977, "Dancing Queen" became ABBA's only number one hit on the Billboard Hot 100. ABBA and Led Zeppelin are the only acts to have had 8 consecutive UK #1 albums.
Shortly after the release of Super Trouper, Benny Andersson and Anni-Frid Lyngstad of ABBA decided to end their marriage, just as Björn Ulvaeus and Agnetha Fältskog had done two years prior. This event did not stop the foursome from working together. Their eighth album "The Visitors" was released in November 1981. Feeling that the energy was running out of the group, they decided to take a break in 1982; the band members have not reunited since. Fältskog and Lyngstad then both pursued solo careers. In 1982, Lyngstad released her first solo album in English, Something's Going On, produced by Phil Collins. The single "I Know There's Something Going On" was a successful hit around the world that year.
Andersson and Ulvaeus collaborated with Tim Rice on the musical Chess which premiered in London in 1986. Two songs from the musical were hugely successful singles: "One Night in Bangkok" reached number three on the Billboard Hot 100, and "I Know Him So Well" topped the UK singles chart in February 1985.
Read more about this topic: Swedish Popular Music