Related Clues:

• Theater comment
• To the left or right
• Dialogue that breaks the fourth wall
• House address
• Stage mutter
• Presley's 'Don't,' not 'I Beg of You'
• Parenthetical script comment
• Record choice
• Private line?
• Muttered mot
• Musician's better half
• First half
• Whispered word
• Bracketed material
• Tangent