G♭ Blues
Minor pentatonic + the flat-5 'blue note'. Six notes. The foundation of blues, blues-rock, and modern guitar vocabulary.
Playback sounds an octave below the written notation — the instrument's concert (sounding) pitch.
Audio source: tonejs-instruments by Nick Brosowsky (MIT)
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 Bass Guitar?
On bass, scales follow the same position-pattern logic as guitar but with two-notes-per-string most often. Walking-bass-line construction draws on chord-tone-arpeggiation through the scale; see /walking-bass for the standalone surface (once it ships).
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.