It seems that two couples' bands abroad mainly focus on music like disco.

ABBA

ABBA is a popular group in Sweden, which was founded in 1973. The name of the band comes from the combination of the initials of four members. These two men and two women were two couples when their careers went up, and they parted ways when their careers began to go down. They are famous couples and divorced couples in the history of pop music. ABBA was dissolved in 1982.

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This is one of their classic tracks Mamamia

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