Term referring to the adjustment of the sound-producing mechanisms in an instrument so that the tone, volume, attack, and timbre of the sound are given their desired quality.on the organ, tuning. on piano, adjustment of the felts on the hammer to alter the tone quality<br><br>A term used to express the methods of obtaining a particular quality of tone. The adjustment involves the hardening or softening of the hammer felt and is performed so that the tone of each note is uniform throughout. Voicing is generally done every few years to revitalize worn felts.<br><br>The arrangement of the member notes of a chord, or placement of the melody or bass line within a harmonic progression.