Related Clues:
- Big name in disco music
- Pop group with a backward letter in its logo
- Swedish pop quartet that won the 1974 Eurovision contest
- 'Take a Chance on Me' quartet
- Group that inspired Broadway's 'Mamma Mia!'
- Group lurking nearby!
- 'Knowing Me, Knowing You' singers
- Group's chiastic rhyme scheme
- 'Dancing Queen' vocal group
- Band whose songs are featured in a hit 2001 musical and 2018 movie
- Singing group with a palindromic name
- 'Super Trouper' vocal group
- Palindromic Swedish band
- Singing group on a Swedish postage stamp
- 'Mamma Mia! Here We Go Again' group