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Music theory definition

Tonic

The first note of a scale and the home base of a key.

Hear an example

Play the example and listen for the idea described above.

The important ones have names

  • 1 · : home
  • 5 · : pulls home
  • 4 ·
  • 7 · : leans up

Learn it in context

This term is introduced in Unit 4: The major scale. Work through the explanations and exercises to connect the definition with music.

  • Scale degrees

    Numbers and names for each note of the scale - and hearing them in a melody.

Explore with an interactive tool

Major
A common family of scales and chords. C major uses the white piano keys for its scale; its basic chord is C, E, and G. Compare its sound with minor.
Scale
A set of notes arranged in order of pitch, starting and ending on the same note name.
Major scale
The seven-note scale built from the step pattern W W H W W W H.
Scale degree
A note's position in a scale, numbered 1 to 7 from the tonic.
Dominant
Scale degree 5, and the chord built on it. It pulls strongly back to the tonic.
Subdominant
Scale degree 4, and the chord built on it.
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