Stradella bass system
Videos
The Stradella Bass System is a buttonboard layout equipped on the bass side of many accordions, which uses columns of buttons arranged in a circle of fifths; this places the principal major chords of
96-button Stradella bass layout on an accordion. C is in the middle of the root note row.
Accordion
Videos
Accordions are a family of box-shaped musical instruments of the bellows-driven free reed aerophone type. The essential characteristic of the accordion is to combine in one instrument a melody section
A piano accordion (top) and a chromatic button accordion (bottom)
Eight-key bisonoric diatonic accordion (c. 1830)
An accordionist
A group of accordionists in Ticino (early 20th century)