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Scale library · Altered

The Altered scale in all twelve keys.

Formula 1 ♭2 ♭3 ♭4 ♭5 ♭6 ♭7, step pattern H–W–H–W–W–W–W. In C it is C D♭ E♭ F♭ G♭ A♭ B♭. It is the scale for altered dominant chords (7♭9, 7♯9, 7♯5, 7♭13) resolving to a tonic — the V7alt in a ii–V–I. Pick a key below to see it drawn on the guitar fretboard or piano keyboard and hear it played.

All keys

Altered — pick your key and instrument.

RootNotesVisualizer
CC D♭ E♭ F♭ G♭ A♭ B♭C Altered scale (C D♭ E♭ F♭ G♭ A♭ B♭) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
C♯C♯ D E F G A BC♯ Altered scale (C♯ D E F G A B) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
DD E♭ F G♭ A♭ B♭ CD Altered scale (D E♭ F G♭ A♭ B♭ C) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
D♯D♯ E F♯ G A B C♯D♯ Altered scale (D♯ E F♯ G A B C♯) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
EE F G A♭ B♭ C DE Altered scale (E F G A♭ B♭ C D) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
FF G♭ A♭ B𝄫 C♭ D♭ E♭F Altered scale (F G♭ A♭ B𝄫 C♭ D♭ E♭) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
F♯F♯ G A B♭ C D EF♯ Altered scale (F♯ G A B♭ C D E) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
GG A♭ B♭ C♭ D♭ E♭ FG Altered scale (G A♭ B♭ C♭ D♭ E♭ F) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
G♯G♯ A B C D E F♯G♯ Altered scale (G♯ A B C D E F♯) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
AA B♭ C D♭ E♭ F GA Altered scale (A B♭ C D♭ E♭ F G) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
A♯A♯ B C♯ D E F♯ G♯A♯ Altered scale (A♯ B C♯ D E F♯ G♯) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano
BB C D E♭ F G AB Altered scale (B C D E♭ F G A) on a guitar fretboard in standard tuning, frets 0–12: roots in gold, scale tones in tealGuitar · Piano

Other scales

The rest of the library.

Major (Ionian)DorianPhrygianLydianMixolydianAeolian (natural minor)LocrianMelodic minorHarmonic minorLydian dominantWhole toneDiminished (half–whole)Diminished (whole–half)Major pentatonicMinor pentatonicBlues