Related Clues:

• Alvin and the Chipmunks, e.g.
• The Jonas Brothers, e.g.
• Duet + one
• Wilson Phillips, for one
• Small music ensemble
• Money-saving restaurant offer
• Henry's wives, for example
• The Brady boys or girls
• Twice a trio
• A combo
• The Three Tenors, e.g.
• Quartet after a defection
• Green Day or Cream, e.g.
• Fast food buy
• Chad Mitchell ___ (1960s folk band)