Related Clues:
- Swedish pop foursome
- "Dancing Queen" band
- "Fernando" quartet
- Palindromic synthpop band
- ''Waterloo'' singers
- One of a familiar septet
- Poles are found there
- 39-Across band
- Singers of 'Voulez-Vous' and 'Waterloo'
- Did Poe rue being from here?
- "A spectre is haunting ___" (Marx and Engels)
- Björn Ulvaeus's band
- 'Mamma Mia!' band
- Father participates in Hebrew Sabbath observance
- Community work in the French department