- Change one note in the chord voicing to enhance the sound.
- Transform basic chords into more complex ones.
- Add the nine or the two to a C major chord to get a C add9 chord.
- Drop the third down an octave to create a more interesting sound.
- Use open spread out voicing instead of closed position voicing.
- Place the third in the base for a floatier sound.
- Use non-root bass note for a different vibe.
- Experiment with different chord changes.
- Transpose voicings in other keys using chord scale charts.
- Add the seven to the C add9 over E chord for extra sauce.
- Harmonize a basic melody with a chord voicing.
- Use top down reharmonization for new chords for existing melodies.
via Add Soul to Your Piano Chords by Changing One Note