Em6/9(#5) Augmented
The Em6/9(#5) chord is built from the notes E – G – B# – C# – F#.
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Chord tones, one by one
ERoot
Root
The fundamental note the chord is built on — E.
GThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
B#Fifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
C#Extension
Thirteenth (13)
A 13th — full, rich top extension.
F#Extension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
🎼 Related scales
🎹 Modal analysis
This chord implies the Whole-half diminished scale.
🎸 Genres
Bebop jazz · Hard bop · Gypsy jazz