Mastering the intervals in the accordion bass is the next level. Intervals form the base of chords and scales. This post summarizes the layout of intervals in the accordion bass, and how to find the interval of a given note easily.
Layout of Intervals in Accordion Bass
Find Intervals in Accordion Bass
| Interval to Find | Same Row | Bass to Counterbass | Counterbass to Bass |
|---|---|---|---|
| Minor 2nd (Half Tone) | -5 | C+3 | B-1 |
| Major 2nd (Whole Tone) | +2 | C-2 | B±6 |
| Minor 3rd | -3 | C+5 | B+1 |
| Major 3rd | +4 | C0 | B-4 |
| Perfect 4th | -1 | C-5 | B+3 |
| Augmented 4th (Tritone) | ±6 | C+2 | B-2 |
| Perfect 5th | +1 | C-3 | B+5 |
| Augmented 5th | -4 | C+4 | B0 |
| Major 6th | +3 | C-1 | B-5 |
| Minor 7th | -2 | C±6 | B+2 |
| Major 7th | +5 | C+1 | B-3 |
| Octave (Enharmonic) | ±12 | C-4 | B+4 |
Octave (Enharmonic)
Perfect 5th
Major 3rd
Minor 3rd
Major 2nd (Whole Tone)
Minor 2nd (Half Tone)
Major 7th
Minor 7th
Perfect 4th
Major 6th
Augmented 4th (Tritone)
Augmented 5th
