Guitar UpscaleBbdim7 chord on guitar
The Bb diminished 7th chord, written Bbdim7, has 4 notes: Bb Db Fb G. The root Bb is also written A#, so A#dim7 is the same chord.
As tab, thick low E string first: x12020, 678686, 642020. Numbers in the dots are fingers: 1 index, 2 middle, 3 ring, 4 little, T thumb. × marks a muted string and ○ an open one.
| Notes | Bb Db Fb G |
|---|---|
| Formula | 1 b3 b5 6 |
| Intervals | Root, Minor 3rd, Tritone, Major 6th |
About the Diminished 7th Chord
A diminished 7th chord stacks three minor thirds, a symmetric, tense chord that can resolve in four directions. More about the Diminished 7th Chord.