Chord Functions for Musical Analysis Use this table to determine the function of a chord once you know the type of chord, its root and on what scale degree the root is found. Flats appear in major keys only. These chords are diatonic in minor keys, but are chromatic in major keys. Therefore, major keys include diatonic functions in Blue and Green . Minor keys include diatonic functions in Yellow and Green .
Purple cells indicate chromatic functions in major keys only.
All chromatic functions are dependent upon the chord resolving logically. Orange cells indicate chromatic functions in minor keys only. All chromatic functions are dependent upon the chord resolving logically. Gray cells indicate chromatic functions in either major or minor keys. All chromatic functions are dependent upon the chord resolving logically.