Related Clues:

• Parenthetical passage
• Tape player port
• A way to turn
• Object on stage
• Remarks to an audience
• Stage whisper, perhaps
• Hearing aid, briefly
• Karaoke need
• Item on stage
• "All kidding ___ . . ."
• Set piece
• In the wings
• Yorick's skull, e.g.
• Shakespearean stage device
• Tangential observation