Neighbours of C6sus4
Every chord one voice of C6sus4 reaches by a semitone or a whole tone, on C and so for every root: the voice that steps, the notes that result, and what they spell.
C6sus4 holds C F G A. 8 chords are one semitone away and 4 chords are one whole tone away; 7 of them spell a chord type and 0 realise a transform a source names.
One semitone away
| Voice | Steps to | Notes | Spells | Named transform |
|---|---|---|---|---|
| C | B, -1 | B F G A | no chord type | none named |
| C | C#, +1 | C# F G A | Aaug7 | none named |
| F | E, -1 | C E G A | C6, Am7 | none named |
| F | F#, +1 | C F# G A | no chord type | none named |
| G | Gb, -1 | C F Gb A | no chord type | none named |
| G | G#, +1 | C F G# A | no chord type | none named |
| A | Ab, -1 | C F G Ab | Fm(add9) | none named |
| A | A#, +1 | C F G A# | Bb6sus2, C7sus4 | none named |
One whole tone away
| Voice | Steps to | Notes | Spells | Named transform |
|---|---|---|---|---|
| C | Bb, -2 | Bb F G A | no chord type | none named |
| C | D, +2 | D F G A | G7sus2 | none named |
| F | Eb, -2 | C Eb G A | Am7b5, Cm6 | none named |
| A | B, +2 | C F G B | Cmaj7sus4 | none named |
No source this site cites names a transform for this chord type, so every step here stays unnamed.