Play the 7♯11 chord on guitar
The 7♯11 chord, called 'Lydian Dominant', is a dominant seventh chord with an augmented eleventh. It evokes the Lydian dominant scale.
Chord composition
| I | III | V | ♭VII | IX | ♯XI |
| Root | Major third | Perfect fifth | Minor seventh | Major ninth | Augmented eleventh |
| 0 | 4 | 7 | 10 | 14 | 18 |
Formula 1 - 3 - 5 - ♭7 - 9 - ♯11
Theory
The 7♯11 chord is the IV degree of the melodic minor scale. C7♯11 = C-E-G-B♭-D-F♯. The augmented eleventh (18 semitones, or augmented fourth at octave) avoids clashing with the third and creates characteristic Lydian color. Widely used on static dominant chords in modal jazz.
Play the 7♯11 chord on the guitar
