Assertion: percussion instrument's pitch | /r/HasProperty | indefinite
Facets:
Source sentences:
text: When classifying instruments by function it is useful to note if a percussion instrument makes a definite pitch or indefinite pitch.
text: A pitched instrument allows the player to play musical notes at different pitches whilst the unpitched percussion instrument will play only indefinite pitch, that is to say, a single sound or note, that only the tone by way of playing can be affected.