Possible Clues:

• “Cabaret” or “Cats”
• With noted talent for “Oklahoma!” say?
• Hair transplant claim involving setters?
• Blood Brothers, for example
• Cats perhaps calm us in distress, one’s gathered
• Rent, maybe, from Greek character is put back by western US state
• "Hamilton" or "Rent"
• Maybe Annie Hall's content to follow Mike round America
• Euphonious
• Stage show with Greek character on French lake is over