Assertion: acoustic piano | /r/HasProperty | expression pedals
Facets:
Source sentences:
text: : can be a single sustain pedal (two types) or up to a full grand piano-style triple pedal, with sostenuto and una corda pedals, like an acoustic piano Expression pedals : send a continuous MIDI value that can be mapped to control parameters like volume (a "swell pedal"), effects (chorus, reverb, etc.), and patch changes