Pitch & Harmony
Pitch
How high or low a sound is.
In plain English
Pitch is determined by the frequency of a sound. Musicians organise pitches into notes, scales, melodies, and harmonies.
Try or listen for this
A thin string usually produces a higher pitch than a thick string at the same length and tension.
Why it matters
Pitch is fundamental to tuning, melody, harmony, singing, and playing the intended notes.