Possible Clues:

• Met somebody?
• The "fat lady" in a phrase
• 117-Down near Salem?
• Noted part-player on stage
• Old theatre company upset about getting rid of diva
• Eg, Caruso
• Butt perhaps put to work obliterating sovereign
• Battle
• Ripe oranges to throw at the tenor, perhaps
• Stage entertainer disguised as Persian ogre