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Altered

Dominant thirteenth, sharp eleven chords

C13 with #11: C-E-G-Bb-D-F#-A. Formula: 1-3-5-b7-9-#11-13. Lydian dominant — 4th mode of melodic minor.

In every key

The same shape, moved. The symbols below are spelled the way the app spells them, which is the spelling the chord's own scale asks for rather than whichever accidental is easier to type.

  • C13#11
  • Db13#11
  • D13#11
  • Eb13#11
  • E13#11
  • F13#11
  • F#13#11
  • G13#11
  • Ab13#11
  • A13#11
  • Bb13#11
  • B13#11

Voicings

Written in C, because that is the key the encyclopedia authors them in; every one transposes unchanged.

Rootless Lydian Dominant (3-b7-9-#11-13)

E · Bb · D · F# · A

expert

Brad Mehldau lydian dominant — 3-b7-9-#11-13

Rootless (3-#11-b7-13)

E · F# · Bb · A

advanced

Rootless (9-#11-b7-3)

D · F# · Bb · E

expert

Upper Structure D/C7 colors (9 and #11) under the b7-3 tritone, a modern jazz signature

Where it turns up

Tritone substitute color. Brad Mehldau / Bill Evans favorite for V7 of bIIImaj7.

Commonly swapped with

  • C9#11
  • Gb7
  • C7alt

The PDF book

The Ultimate Jazz Piano Voicings and Chord Atlas

From shells to advanced voicings. A practice book first, with all the theory you need explained in plain words.

  • 7 levels of voicings for every ii‑V‑I chord, from shells to quartal and upper-structure color
  • A 30-day plan and a 12-week schedule, 15 minutes a day
  • A PDF you download and keep, no subscription

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