Tuning-specific arpeggio diagram

Bb Diminished 7 Arpeggio in 7-String Drop A Tuning

Bb Diminished 7 Arpeggio in 7-String Drop A Tuning shows the same bb diminished 7 arpeggio chord tones across 7 strings tuned A E A D G B E. The seventh string adds lower chord-tone positions below a six-string layout while keeping the upper strings familiar.

Chord tones: Bb, Db, Fb, Abb
Formula: 1 b3 b5 bb7
Semitones: 0 3 6 9
Chord symbols: Bbdim7
Tuning: A E A D G B E
Strings: 7
Open pitch range: A1 to E4
24-fret range: A1 to E6

Open strings and root positions

3 of the 7 open strings belong to Bb Diminished 7 Arpeggio: string 6 Fb (b5), string 3 Abb (bb7), and string 1 Fb (b5). None of those open-string tones is the Bb root, so the root must be fretted on every string.

String 6Fbb5

String 3Abbbb7

String 1Fbb5

First root on each string

String 7Fret 1

String 6Fret 6

String 5Fret 1

String 4Fret 8

String 3Fret 3

String 2Fret 11

String 1Fret 6

Low-string pattern

On the lowest A string, the first-octave arpeggio pattern falls at frets 1, 4, 7, and 10, with the Bb root at fret 1. On the highest E string, the first Bb is at fret 6.

Fret 1Bb1

Fret 4Dbb3

Fret 7Fbb5

Fret 10Abbbb7

Practice this tuning-specific layout

Play Bb Diminished 7 Arpeggio on the low A string at frets 1, 4, 7, and 10, saying each note name and degree aloud.
Build a phrase that lets Fb on open string 6 ring, then connect it to the nearest Bb root and two other arpeggio tones.
Connect the Bb root positions on strings 7 through 1 at frets 1, 6, 1, 8, 3, 11, and 6, adding the nearest arpeggio tone between each pair of roots.