Related Clues:

• Chicago or Boston, e.g.
• A couple of trios
• Rock group
• Many a jazz band
• Nirvana or Chicago
• Stripe
• It uses amps
• Singer's backup
• Trio doubled
• Group of players
• Hockey team, e.g.
• Cigar collectible
• Black and blue?
• Ensemble
• The Beatles, e.g.