Related Clues:
- Device for softening musical sound
- Silent - dumb
- Sound-stopping remote button
- Like the Best Picture of 2011
- Unable to speak to me ringing Utah
- Wah-wah producer
- Like Fatty Arbuckle's films
- Like one "k" in "knuckle"
- Free from noise
- Trombone accessory
- Trumpet plug
- ___ movies (8-, 20-, 39- and 57-Across, in a way)
- Trumpeter's doodad
- Sound-off button
- Word 1 of a Christmas classic