Voicings

C7(#9,b13)

Upper structure Ab (bVI)

Upper structureUpper structures
C3 E3 Bb3 C4 D#4 Ab4Loading piano…
  1. C3R
  2. E33
  3. Bb3b7
  4. C4R
  5. D#4#9
  6. Ab4b13

Guide tones carry the chord's sound: the 3rd (4th on sus chords) and the 7th (or 6th).

Source: Common practice