Notes & Pitch

The raw material of music - how pitch works, note names, and how computers represent sound.

1

What is Pitch?

Learn what pitch is in music, how frequency determines high and low notes, and why it matters. Free interactive lesson with audio examples.
2

Note Names

Learn the musical alphabet (A to G), sharps, flats, and enharmonic equivalents. Understand how notes are named across the keyboard. Free interactive lesson.
3

Octaves

What an octave is and why notes in different registers sound related. Learn octave numbering (C4, A2) with playable audio examples.
4

Semitones & Tones

Semitones and tones explained - the smallest steps in Western music, how to count them, and why they matter for scales and chords. Free lesson.
5

MIDI Notes

How computers represent pitch using MIDI note numbers 0 to 127. Learn the system behind digital music production. Free interactive lesson.