Assertion: trombone's sound | /r/HasProperty | featured as the voices of adults
Facets:
Source sentences:
text: Mutes used in this way include the "hat" (a metal mute shaped like a bowler hat) and plunger (which looks like, and often is, the rubber suction cup from a sink or toilet plunger), a sound featured as the voices of adults in the Peanuts cartoons.