Chords
F# Major flat fifth
F# · A# · C
F# Major flat fifth (F#majb5) is a major chord of 3 notes: F# · A# · C.
Also written F#Mb5
F# Major flat fifth
F# · A# · C
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Voicings on the piano
| Voicing | Notes | Play it on your instrument |
|---|---|---|
| Closed, root position | F#3 · A#3 · C4 |
Tap a key or a fret to hear it.
Anatomy
F# Major flat fifth (F#majb5) contains the notes F# · A# · C, each with a role measured as an interval from the root.
Read on: how triads are built
Inversions
An inversion of F# Major flat fifth puts a chord tone other than F# in the bass; the name after the slash is that bass note.
Where it lives
The keys and the scales F# Major flat fifth belongs to.
In which keys
F# Major flat fifth is diatonic to 3 keys; the numeral is its degree and the label its harmonic function.
Scales that contain it
F# Major flat fifth fits inside these scales, each built on F#.
- F# LydianF# · G# · A# · B# · C# · D# · E#
- F# Lydian DominantF# · G# · A# · B# · C# · D# · E
- F# Half-Whole DiminishedF# · G · A · A# · B# · C# · D# · E
- F# Neapolitan Major PentatonicF# · A# · B · C · E
- F# Lydian PentatonicF# · A# · B# · C# · E#
- F# Whole Tone PentatonicF# · A# · C · D · E
- F# Lydian Dominant PentatonicF# · A# · B# · C# · E
- F# Super Locrian PentatonicF# · A · Bb · C · E
Understanding the F# Major flat fifth chord
Names and symbols
F#majb5 is the chord symbol for F# Major flat fifth; it is also written F#Mb5.
Common questions
- What notes are in the F# Major flat fifth chord?
- The F# Major flat fifth chord contains the notes F# · A# · C: the root F# with the intervals 1P, 3M, 5d stacked above it. Play them together for the chord or one after another for an arpeggio. The lowest note is normally F#, but any chord tone can take the bass in an inversion.
- What intervals make up the F# Major flat fifth chord?
- Measured from F#, the F# Major flat fifth chord stacks the intervals 1P, 3M, 5d. The quality of the third and of the seventh, if there is one, is what gives the chord its character; the rest of the notes colour it. Every interval in the formula links to its own page, with its sound.
- How do I play the F# Major flat fifth chord?
- On guitar the most common F# Major flat fifth shape is xx4312, read from the lowest string to the highest; the instrument panel above shows several more with their fingerings. On piano play F#3 · A#3 · C4 with the right hand, or move the root down into the left hand and keep the rest above it. Every shape on this page plays when you press it.