Related Clues:

• Land west of the Urals
• "Voulez-Vous" group
• Alphabetically first pop group with a #1 hit
• Tour destination
• '70s mega-selling pop group
• ''SOS'' singers
• Band from Stockholm
• One of the five Olympic rings
• "Mamma Mia" inspiration
• Their songs are in ''Mamma Mia!''
• Ryder Cup side
• ...while traveling here
• Poland is part of it
• Pop group spelled with a backward letter
• ''S.O.S.'' group