G♭ Harmonic Minor — In Octaves
Scales played in octaves are the Wes Montgomery signature technique — each scale tone is voiced simultaneously with itself one octave above. The wide harmonic interval gives the line a rich, hollow-bodied tone and is a foundational drill for jazz soloing and chord-melody arranging on guitar.
Tempo120 bpm
Playback sounds an octave below the written notation — the instrument's concert (sounding) pitch.
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
Related scales
ParallelG♭ Natural MinorDrop the leading tone — natural minor without harmonic minor's classical pull.ParallelG♭ Melodic MinorRaise the 6th too — the classical melodic minor ascending pattern.5th modeD♭ Phrygian DominantSame pitch collection, tonic on the 5th — Spanish flamenco vocabulary.2nd modeA♭ Locrian Natural 6Same pitch collection, tonic on the 2nd — Locrian with a ♮6, used over m7♭5.Up a fifthD♭ Harmonic MinorOne sharp brighter on the harmonic minor circle.Up a fourthC♭ Harmonic MinorOne flat darker.One note differentG♭ HungarianRaise the 4th and you get Hungarian minor — same haunting edge with an extra augmented 2nd.ExoticG♭ Double HarmonicBorrow the augmented 2nd into the lower tetrachord too — Byzantine / Arabic vocabulary.