Chord · 7ths

Cmaj7♭5 — C Major 7th ♭5

Cmaj7♭5 is the C major 7th ♭5 chord. It is built on the root C with major 3rd (E), diminished 5th (G♭) and major 7th (B) above it — the formula 1 3 ♭5 7, sounding the notes C E G♭ B. On the piano it sits at C (octave 4) and above in the library's voicing; the same 4 notes in any octave are still Cmaj7♭5.

Root
C
Quality
Major 7th ♭5
Formula
1 3 ♭5 7
Notes
C E G♭ B

On the keyboard

Cmaj7♭5 on the piano keyboard: C E G♭ BCEG♭B

The notes of Cmaj7♭5

DegreeNoteInterval from the rootPitch
1CrootC4
3Emajor 3rdE4
♭5G♭diminished 5thG♭4
7Bmajor 7thB4

Other 7ths on C

Major 7th ♭5 chords on every root

Part of the chord reference. See also the scales and the keys.