Assertion: drum | /r/HasProperty | struck
Facets:
Source sentences:
text: This hole serves to amplify the attack of the tone when the drum is struck.
text: Both drums are struck using the fingers; players can also adjust pitch by manually applying pressure to the ropes on the drum.
text: If the tightness of the head is not uniform, the tone of the drum will change depending on where the drum is struck, and it will be a muddy tone at that.
text: This is because the material on the top of the drum will take longer to move upward when it is struck.
text: Finally, drum sound is impacted by the way that the drum is struck.
text: Each shell has a small hole in it, called the vent hole, which allows air to escape when the drum is struck, which in turn improves the resonance of the instrument.