Assertion: mantra's sound | /r/HasProperty | ring
Facets:
value: by means of this device
type: MANNER
Source sentences:
text: By means of this device, each piano's sounds are ring modulated with a sine tone tuned to the central pitch corresponding to the note of the mantra formula governing each of the thirteen large segments of the composition, and the modulated sound is played over loudspeakers placed behind and above the performers.