fuaranScale Mastery
SCALE · ON TENOR HORN

G♭ Blues

Minor pentatonic + the flat-5 'blue note'. Six notes. The foundation of blues, blues-rock, and modern guitar vocabulary.

MEIMIDIHumdrum
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Meter:Octave per barCrotchets in 4/4Quavers in 4/4Triplets in 4/4
Engraved by Verovio 6.2.0-43f8060 4 title G♭ Blues Verovio
Tempo120 bpm

Playback sounds a major 6th below the written notation — the instrument's concert (sounding) pitch.

Audio source: synthesised in-browser via Tone.js (MIT)

FingeringFollows the scale as it plays — written pitch, matches the staff
G♭123partial 2
Harmonic seriesTube of the tonic fingering — G♭ sounds partial 2
partial 1 — F♯2 (+0¢)1partial 2 — F♯3 (+0¢)2partial 3 — C♯4 (+2¢)3partial 4 — F♯4 (+0¢)4partial 5 — A♯4 (-14¢)5partial 6 — C♯5 (+2¢)6partial 7 — E5 (-31¢)7-31¢partial 8 — F♯5 (+0¢)8
Related scales
Same scale, other instruments
Same scale, other tonics
Modes built on this tonic
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Theory reference
Questions
What notes are in the G♭ Blues scale?

The G♭ Blues scale uses the notes G♭, B𝄫, C♭, D𝄫, D♭, F♭ (one octave; the pattern repeats at higher registers).

What's the Blues scale formula?

The Blues scale follows the interval pattern W+H W H H W+H W, where W = whole step (2 semitones) and H = half step (1 semitone). Apply that pattern starting on G♭ to get the G♭ Blues scale.

What chords work over G♭ Blues?

Blues scale works over the I / IV / V of any blues progression. The ♭5 is a passing tone — don't sit on it.

How do I finger G♭ Blues on Tenor Horn?

On brass, scales train embouchure + valve / slide coordination across the partials. Slow practice with a tuner reveals intonation tendencies (e.g., the 5th partial sharp on trumpet).

When would I use the Blues scale?

Minor pentatonic + the flat-5 'blue note'. Six notes. The foundation of blues, blues-rock, and modern guitar vocabulary.