Guitar scale · harmonic & melodic
G Locrian bb7 Scale
Mode 7 of Harmonic Major: Locrian with a doubly flattened 7th (𝄫7).
Tap any note to hear it.
G Locrian bb7 Scale tab: all 5 positions
Each tab climbs from the low E string to the high e string. Play it up, then back down.
e|-----------------------------3-4-6-| B|-------------------------4-5-------| G|-------------------3-5-6-----------| D|---------------5-6-----------------| A|-------3-4-6-7---------------------| E|-3-4-6-----------------------------|
e|-----------------------------6-8-9-| B|-------------------------8-9-------| G|-----------------5-6-8-9-----------| D|-----------5-6-8-------------------| A|-------6-7-------------------------| E|-6-8-9-----------------------------|
e|-----------------------------------8-9-11-| B|----------------------------8-9-11--------| G|------------------------8-9---------------| D|----------------8-10-11-------------------| A|--------7-10-11---------------------------| E|-8-9-11-----------------------------------|
e|-------------------------------------------11-12-| B|----------------------------------11-13-14-------| G|----------------------------12-13----------------| D|----------------10-11-13-14----------------------| A|-------10-11-13----------------------------------| E|-11-12-------------------------------------------|
e|-------------------------------------------12-15-16-| B|----------------------------------13-14-16----------| G|-------------------------12-13-15-------------------| D|-------------------13-14----------------------------| A|----------13-15-16----------------------------------| E|-12-15-16-------------------------------------------|
How to play G Locrian bb7 on guitar
Find the root first: G is at fret 3 on the low E string and fret 10 on the A string. The blue notes on the diagram are every G on the neck; the gold ones are the rest of the scale's home chord (♭3, ♭5, 𝄫7), the safest notes to land on at the end of a phrase.
Learn it one box at a time. Position 1, the E shape, sits at frets 3–7. Once it's under your fingers, move to position 2 (the D shape) and play the notes the two boxes share, then keep going up the neck. After all five, the scale joins up into one pattern across the whole fretboard.
Degrees
| Degree | Note |
|---|---|
| 1 | G |
| ♭2 | Ab |
| ♭3 | Bb |
| 4 | C |
| ♭5 | Db |
| ♭6 | Eb |
| 𝄫7 | Fb |
Chords in G Locrian bb7
Stack every other note of the scale and you get these seven chords. They are the chords that sound "at home" in G Locrian bb7; tap one to see its shapes.
| Degree | Chord | 7th chord | Function |
|---|---|---|---|
| i° | Gdim | Gdim7 | Tonic |
| ♭II | Ab | Abmaj7 | Supertonic |
| ♭iii° | Bbdim | Bbm7b5 | Mediant |
| iv | Cm | Cm7 | Subdominant |
| ♭v | Dbm | Dbm(maj7) | Dominant |
| ♭VI | Eb | Eb7 | Submediant |
| VII+ | Fbaug | Fbmaj7#5 | Leading tone / subtonic |
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Questions
- What notes are in the G Locrian bb7 Scale?
- The G Locrian bb7 Scale has 7 notes: G, Ab, Bb, C, Db, Eb, Fb.
- What chords are in the G Locrian bb7 Scale?
- The chords of G Locrian bb7 are Gdim (i°), Ab (♭II), Bbdim (♭iii°), Cm (iv), Dbm (♭v), Eb (♭VI), Fbaug (VII+).
- What is the formula of the locrian bb7 scale?
- 1 ♭2 ♭3 4 ♭5 ♭6 𝄫7, which is the step pattern H W W H W H W+H (W = whole step, H = half step).
- Where do I play G Locrian bb7 on the guitar?
- The root G is at fret 3 on the low E string and fret 10 on the A string. Position 1 (the E shape) covers frets 3–7, and four more positions connect it up the neck.