Alternative name(s): Locrydian bb7.
| Code:  | 3437 |  
| Formula:  | 110101101101 |  
| Intervals:  | 1,b2,b3,4,b5,b6,6,7 |  
| Type:  | Octatonic |  
| Symmetry:  | Asymmetrical |  
 
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Modes
 | Mode |  				Compatible Chords | 
| I | 
dim, dim7 | 
| II | 
M, M7, 7, aug, 7+5, M7+5, 9, M9, add9, sus4, 7sus4 | 
| III | 
m7+5, dim, dim7, m7-5 | 
| IV | 
M, 7, m, m7, aug, 7+5, m7+5, dim, 7-5, m7-5, 7-9 | 
| V | 
m, mM7, dim, dim7, m6, m9/6, mM9, sus4 | 
| VI | 
M, 7, m, m7, 6, m6, 7-9, sus4, 7sus4 | 
| VII | 
aug, M7+5, dim, dim7 | 
| VIII | 
M, 7, 7-5, 6, 9/6, 9, add9, 7-9, 13/7 |