Usage of this technique can be dictated by the directives una corda and tre corde.
This word, paired with "expression," describes a mechanism to control the volume of a pipe organ. This word's namesake "point" describes a held or repeated bass note against which dissonances are played. In organ music, this technique is used to play notes on the third staff. Usage of this technique can be dictated by the directives una corda and tre corde. In (*) piano music, this technique is notated by a long horizontal line under the grand staff, which may notch upwards to indicate that this technique should be "refreshed." The most common form of this mechanism lifts the dampers off of the piano strings, allowing them to vibrate freely and produce a resonating sound. For 10 points, name these foot-operated mechanisms on the bottom of a piano.
This word, paired with "expression," describes a mechanism to control the volume of a pipe organ.
pedal [or pedal point; or foot pedal; or soft pedal; or sostenuto pedal; or sustain pedal; or damper pedal; prompt on using one's feet] 