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This lesson is intended to give a basic understanding of harmonic function related to a major key.
== PreReqs ==
* [[C Major Chord]]
* [[G Major Chord]]
* [[F Major Chord]]
* [[E minor, D Minor, and A Minor Chords]]
== Diatonic Chords ==
Chords are considered ''diatonic'' to a particular key if they only contain notes found inside that key. The major scale has 7 distinct notes, giving us 7 possible choices for the roots of diatonic chords. Using the 3rds and 5ths of each root that are also found inside the key gives each chord a particular quality. In a major key, there are 3 major, 3 minor, and 1 diminished diatonic chords.
{|
|+ Diatonic Chords in the Key of C Major
! Scale Degree !! Chord !! Root !! 3rd !! 5th
|-
| 1 || C || C || E || G
|-
| 2 || Dm || D || F || A
|-
| 3 || Em || E || G || B
|-
| 4 || F || F || A || C
|-
| 5 || G || G || B || D
|-
| 6 || Am || A || C || E
|-
| 7 || B° || B || D || F
|}
Gm, A, and Bm are ''not'' diatonic to C Major. G Minor has a Bb, A has a C#, and Bm has a F#. Bb, C#, and F# are not found in C Major.
== Harmonic Functions ==