Related Clues:

• ''Hold that down!''
• 'Ahem' subtext, maybe
• When doubled, on the DL
• 'Quit talking!'
• 'Hey, I want to listen here!'
• "Be silent!"
• Sudden silence
• Restraining order of a sort
• ''Hush up!''
• Admonition in a movie theater
• Deep Purple classic
• "No talking!"
• Peaceful silence
• "Button it!"
• Deep Purple "I thought I heard her calling my name now" song