Related Clues:
- ''Voulez-Vous'' singers
- 'The Purple Cow' rhyme scheme
- 'Waterloo' singers
- 1970s hitmakers
- Quatrain rhyme scheme
- Biblical ''father''
- 'Mamma Mia!' inspiration
- 'Mamma Mia' foursome
- '70s pop quartet
- Acronymic pop group name
- ''Mamma Mia'' group
- "Fernando" pop group
- Group with Benny and Bjorn
- "Mamma Mia!" group
- Quartet named for its members