Bass Accordions Page

Typically include "Counter-bass" (major thirds), "Fundamental bass" (root notes), and then columns for Major, Minor, Dominant 7th, and Diminished chords .

Because they require large reeds and bellows to produce low frequencies, they can be quite heavy and air-hungry. 3. Comparison of Bass Button Sizes

The most common system. Buttons are arranged in rows and columns based on the Circle of Fifths .

High-end professional accordions often feature a "converter" switch that toggles the left-hand buttons between Stradella (chords) and Free Bass (melodies) modes. 2. Specialized "Bass Accordions"

Accordions are categorized by the number of bass buttons they possess, which determines their musical range and weight.

This report covers the two ways "bass accordions" are defined: the standard found on almost all accordions and the specialized, rare "Bass Accordion" instrument used primarily in orchestras. 1. The Left-Hand Bass Systems