the world > physical sensation > hearing and noise > thing heard > [noun] > sound > quality of sound (17)
(Without a or plural) Quality of sound.
Quality, character, nature; condition, state. in physical sense; in early use esp. quality of tone (cf. A. 4). Obsolete.
Music. The timbre or sound quality of individual voices or instruments, or the distinctive quality of the sound of a group of singers or…