Guitar scale · exotic
B Locrian bb3 bb7 Scale
Mode 7 of Double Harmonic Major: Locrian with a doubly flattened 3rd and a doubly flattened 7th.
Tap any note to hear it.
B Locrian bb3 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|----------------------------------7-8-9-| B|------------------------------8-9-------| G|-------------------------9-10-----------| D|-----------------9-10-11----------------| A|-------7-8-10-11------------------------| E|-7-8-9----------------------------------|
e|----------------------------------------9-12-13-| B|----------------------------------12-13---------| G|-----------------------9-10-12-13---------------| D|---------------9-10-11--------------------------| A|---------10-11----------------------------------| E|-9-12-13----------------------------------------|
e|-------------------------------------------12-13-15-| B|----------------------------------12-13-14----------| G|----------------------------12-13-------------------| D|-------------------11-14-15-------------------------| A|----------11-14-15----------------------------------| E|-12-13-15-------------------------------------------|
e|-------------------------------------------15-16-| B|-------------------------------------17-18-------| G|----------------------------16-17-18-------------| D|----------------14-15-17-18----------------------| A|-------14-15-16----------------------------------| E|-15-16-------------------------------------------|
e|-------------------------------------------16-19-20-| B|----------------------------------17-18-20----------| G|-------------------------16-17-18-------------------| D|-------------------17-18----------------------------| A|----------16-19-20----------------------------------| E|-16-19-20-------------------------------------------|
How to play B Locrian bb3 bb7 on guitar
Find the root first: B is at fret 7 on the low E string and fret 2 on the A string. The blue notes on the diagram are every B 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 7–11. 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 | B |
| ♭2 | C |
| 𝄫3 | Db |
| 4 | E |
| ♭5 | F |
| ♭6 | G |
| 𝄫7 | Ab |
Chords in B Locrian bb3 bb7
Stack every other note of the scale and you get these seven chords. They are the chords that sound "at home" in B Locrian bb3 bb7; tap one to see its shapes.
| Degree | Chord | 7th chord | Function |
|---|---|---|---|
| I | — | — | Tonic |
| ♭II | C | Cmaj7 | Supertonic |
| III | Db | Dbmaj7 | Mediant |
| iv | Em | — | Subdominant |
| ♭v | Fm | Fm(maj7) | Dominant |
| ♭VI | — | — | Submediant |
| VII+ | Abaug | Abmaj7#5 | Leading tone / subtonic |
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Questions
- What notes are in the B Locrian bb3 bb7 Scale?
- The B Locrian bb3 bb7 Scale has 7 notes: B, C, Db, E, F, G, Ab.
- What chords are in the B Locrian bb3 bb7 Scale?
- The chords of B Locrian bb3 bb7 are C (♭II), Db (III), Em (iv), Fm (♭v), Abaug (VII+).
- What is the formula of the locrian bb3 bb7 scale?
- 1 ♭2 𝄫3 4 ♭5 ♭6 𝄫7, which is the step pattern H H W+H H W H W+H (W = whole step, H = half step).
- Where do I play B Locrian bb3 bb7 on the guitar?
- The root B is at fret 7 on the low E string and fret 2 on the A string. Position 1 (the E shape) covers frets 7–11, and four more positions connect it up the neck.