Skip to content
piano.org
A piano reference: chords, scales, theory & ear training.
/

Chord · Reference entry

F♯ Major 7♭5

Major 7♭5 · F♯ – A♯ – C – E♯

The F♯ Major 7♭5 chord (F♯maj7♭5) contains the notes F♯, A♯, C, and E♯. Its interval formula is 1 3 ♭5 7. A major 7th with a lowered 5th — Lydian-flavored, the unusual ear-catching cousin of the major 7th.

G♭ Major 7♭5
This is the same chord as G♭ Major 7♭5 — the same keys on the keyboard, spelled with flats.

At the keyboard

F# · A# · C · E#
Flashcards · Chord
Three questions on F♯ Major 7♭5
Answer on the keyboard, not with buttons. No login required.
F♯

The F♯ Major 7♭5 chord is a four-note chord made up of F♯, A♯, C, and E♯.

Construction

F♯ Major 7♭5 = Root + Major 3rd + Diminished 5th + Major 7th = F♯ · A♯ · C · E♯
NoteIntervalDegree
F♯Root1
A♯Major 3rd3
CDiminished 5th♭5
E♯Major 7th7

Key Signature

A chord has no key signature of its own, but the F♯ Major 7♭5 is the tonic (I) chord of F# Major, whose key signature has 6 sharps (F♯, C♯, G♯, D♯, A♯, E♯).

F♯C♯G♯D♯A♯E♯

Order of sharps

Sharps are added to a key signature in a fixed order. Each new sharp key adds the next sharp on the list.

FCGDAEB

Mnemonic: Father Charles Goes Down And Ends Battle

Chords in the Key of F♯ Major

These are the triads built on each degree of the F♯ major scale:

C1C2C3C4C5C6C7C8F♯A♯C♯
IF♯ Major (major)
DegreeNumeralChordQuality
1IF♯ MajorMajor
2iiG♯ MinorMinor
3iiiA♯ MinorMinor
4IVB MajorMajor
5VC♯ MajorMajor
6viD♯ MinorMinor
7vii°F DiminishedDiminished

F♯ Major 7♭5 — Frequently Asked Questions

What is the F♯ Major 7♭5 chord on piano?
The F♯ Major 7♭5 chord contains the notes F♯ – A♯ – C – E♯. On piano, play these notes together to sound the chord.

Related Tools

Chord FinderLook up any chord — see the notes, hear it, and play along.Chord DrillTimed drills to build speed and recognition across all chord types.Practice RoomPlug in a MIDI keyboard and get real-time feedback on every chord and scale.Circle of FifthsVisualize key relationships, relative minors, and key signatures.MIDI MonitorLive MIDI message stream with note names, velocity, and a scrolling staff.

References & Further Reading

The note names, intervals, fingering, and harmony on this chord page are grounded in the following sources. Public domain treatises and scores are linked to their full text; primary data is piano.org's own interval-derived reference dataset — continuously maintained and human-verified, with no fixed publication date.

  1. 1

    George Grove (ed.)(1900)

    A Dictionary of Music and Musicians

    Public domain treatise
  2. 2

    Jadassohn, Salomon(1883)

    A Manual of Harmony

    Public domain treatise
  3. 3

    Prout, Ebenezer(1889)

    Harmony: Its Theory and Practice

    Public domain treatise
  4. 4

Spot something that looks off? Use the note form below — corrections are reviewed by hand.

Entry reviewed and maintained by Justin Evans. Corrections are read and applied.Report an error

Corrections

Found an error or omission in this entry? Send a correction — every submission is reviewed.

0 / 1000