C-7#5 Augmented
The C-7#5 chord is built from the notes C – Eb – G# – Bb.
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Also known as
C-m7#5Cm7#5Cm7(no5)#5Cmi7#5
Chord tones, one by one
CRoot
Root
The fundamental note the chord is built on — C.
EbThird
Minor third
Three semitones — makes the chord minor (darker, sadder).
G#Fifth
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
BbSeventh
Minor seventh (♭7)
Ten semitones — the dominant/minor seventh. Adds bluesy tension (7, m7).
🎼 Related scales
🎹 Modal analysis
This chord implies the Aeolian (natural minor) scale; its characteristic note is the dark ♭6.
🎸 Genres
Rock · Pop · Cinematic