F#aug Augmented
The F#aug chord is built from the notes F# – A# – C##.
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Also known as
F#aug(no5)F#augmented
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
Augmented fifth (♯5)
Eight semitones — a sharp fifth. Restless and dreamy, typical of augmented chords.
🎼 Related scales
Lydian augmentedmelodic minor a minor 3rd below
🎹 Modal analysis
This chord implies the Lydian augmented scale; its characteristic note is the dreamy, suspended ♯5. It is a mode of the melodic minor a minor 3rd below.
🎸 Genres
Film & TV scoring · Modal jazz · Impressionism
🎤 Artists who made it famous
The Beatles