Assertion: mouthpiece | /r/CapableOf | play the mouthpiece
Facets:
value: to exercise the player's embouchure
type: PURPOSE
value: by itself
type: MANNER
Source sentences:
text: On most instruments, the mouthpiece can be detached from the main instrument in order to facilitate putting the instrument in its case, to use different mouthpieces with the same instrument, or to 'play' the mouthpiece by itself to exercise the player's embouchure.