Possible Clues:

• Where some might be on the fiddle?
• Her co-star upset big band
• Box to which artist added on gold band
• Group of musicians found on cart-horse
• Sun lights (top to bottom) leading players
• Band in arrangement of Hart score
• Leader of ensemble left Rochester replaced by a band
• Carthorse for group of musicians
• Her actors displaced other players
• Noted performers getting 27 rather excited