Related Clues:

• Jonas Brothers, e.g
• "Moonlight ___" (Beethoven)
• Piece with many movements
• Rock's Cream, e.g
• Troika gets South American city to follow tempo
• 'Da Da Da I Don't Love You You Don't Love Me Aha Aha Aha' band
• Brahms work
• Small music group
• Violin piece
• Charlie's Angels, e.g
• Wynken, Blynken, and Nod, e.g
• Duo + one
• The Three Tenors, e.g
• Snap, Crackle and Pop, e.g
• Threesome ... or a hint to this puzzle's theme