F#maj7 Major 7th
The F#maj7 chord is built from the notes F# – A# – C# – E#.
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Also known as
F#(maj7)F#ma7F#maj7(root37)F#maj7(root57)
Chord tones, one by one
F#Root
Root
The fundamental note the chord is built on — F#.
A#Third
Major third
Four semitones — makes the chord major (brighter, happier).
C#Fifth
Perfect fifth
Seven semitones — the most stable interval, reinforces the root.
E#Seventh
Major seventh
Eleven semitones — a lush, jazzy seventh just below the octave (maj7).
🎼 Related scales
🎹 Modal analysis
This chord implies the Ionian (major) scale; its characteristic note is the perfect 4th, what sets it apart from Lydian.
🎸 Genres
Pop · Classical · Gospel
🎤 Artists who made it famous
Antônio Carlos Jobim · Burt Bacharach · Steely Dan