G# or Ab Major Scale

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7 NotesEnharmonic

Four flats in Ab, one of the warmest-sounding keys in jazz and classical music. Tap any note on the fretboard to hear it played.

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Tips for Learning the G# / Ab Major Scale on Guitar

Think Ab, not G#

G# major (8 sharps) is almost never used. Always read and think this scale as Ab major — four flats (Bb, Eb, Ab, Db) — which appears regularly in jazz and classical charts.

Root on fret 4 of the low E string

Ab / G# sits on fret 4 of the low E string. From there the standard E-shape major scale pattern gives you the full first-position layout.

Four flats: Bb, Eb, Ab, Db

Ab major flattens four notes. When reading charts, identify those four flat positions across the neck first. Everything else is natural, making the accidentals easier to spot and internalise.

Common in jazz and soul

Ab major is a favourite key for jazz pianists and brass players. You'll encounter it often in standards, soul ballads, and R&B. Having the scale mapped across the neck means you can hold your own in any ensemble setting.

Relative minor is F minor

F minor shares all seven notes with Ab major and is one of the most emotional minor keys — used in Beethoven's Appassionata, countless classical pieces, and many blues-influenced rock songs.

Compare to G major for fast learning

Ab major sits one fret above G major. If you know G major positions well, shift every finger up one fret and you're playing Ab major. It's the fastest way to get your bearings in an unfamiliar key.

About this tool

About the G# / Ab Major Scale

Ab major (enharmonically G# major) has four flats — Bb, Eb, Ab, and Db — and a characteristically warm, full sound that makes it a favourite in jazz, classical, and soul. On guitar it has no open strings in standard tuning, making clean barre technique essential. Its relative minor, F minor, is one of the most expressive minor keys in Western music.

  • 01Notes (Ab): Ab – Bb – C – Db – Eb – F – G
  • 02Key signature: 4 flats (Bb, Eb, Ab, Db)
  • 03Relative minor: F natural minor
  • 04Diatonic chords: Ab, Bbm, Cm, Db, Eb, Fm, Gdim
  • 05No open strings in standard tuning
  • 06Common in jazz, soul, classical, and R&B
  • 07Root on fret 4 of the low E string

Scale Tones — G# / Ab Major

Every G# / Ab Major scale follows this same formula — root, then ascending by the major scale interval pattern (W–W–H–W–W–W–H).

DegreeNoteRoleInterval
1G# / AbRoot (tonic)Unison (0 st)
2A# / BbMajor second+2 semitones
3CMajor third+4 semitones
4C# / DbPerfect fourth+5 semitones
5D# / EbPerfect fifth+7 semitones
6FMajor sixth+9 semitones
7GMajor seventh+11 semitones

Frequently Asked Questions