Related Clues:
- ''Knowing Me, Knowing You'' group
- Stops bleeding
- "Voulez-Vous" group
- Alphabetically first pop group with a #1 hit
- Agglomerations
- '70s mega-selling pop group
- ''SOS'' singers
- Band from Stockholm
- "Mamma Mia" inspiration
- Their songs are in ''Mamma Mia!''
- Worries for a cardiologist
- Thickens
- Pop group spelled with a backward letter
- ''S.O.S.'' group
- Acronymic singing group