Fmaj13b5 Major 7th
The Fmaj13b5 chord is built from the notes F – A – Cb – E – G – D.
Piano sound loads on first tap.
Chord tones, one by one
FRoot
Root
The fundamental note the chord is built on — F.
AThird
Major third
Four semitones — makes the chord major (brighter, happier).
CbFifth
Diminished fifth (♭5)
Six semitones — a flat fifth. Creates instability, typical of m7♭5 and diminished chords.
ESeventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
GExtension
Ninth (9)
A 9th — colorful extension a whole step above the octave.
DExtension
Thirteenth (13)
A 13th — full, rich top extension.
🎼 Related scales
🎹 Modal analysis
This chord implies the Lydian scale; its characteristic note is the bright, floating ♯11.
🎸 Genres
Film & TV scoring · Modal jazz · Impressionism