Our "vertical" perception of differences in the frequencies of musical tones, from lowest to highest over the audible continuum.
Pitch is one of the 5 main aspects of most musical sounds, the other four being duration, loudness, phrasing, and location. Only periodic sounds exhibit pitch; most percussion sounds are aperiodic and thus do not exhibit specific pitches.
The name of an important microtonal publication issued periodically at irregular intervals by Johnny Reinhard and the American Festival of Microtonal Music.