Related Clues:

• One of those pieces of eight
• Decent-sized band
• 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
• Small music group
• Charlie's Angels, e.g
• Wynken, Blynken, and Nod, e.g
• Duo + one
• The Three Tenors, e.g
• Snap, Crackle and Pop, e.g
• Group and so on going into reverse
• Large chamber music group
• Threesome ... or a hint to this puzzle's theme
• More than a couple