Mastering the intervals in the accordion bass is the next level. Intervals form the base of chords and scales. In this post, I will introduce 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
