What are the least common instruments used in jazz?

The least common instruments used in jazz are:

- Accordion

- Autoharp

- Banjo

- Bagpipes

- Clavichord

- Dobro

- Harpsichord

- Hurdy-gurdy

- Lute

- Mandolin

- Music saw

- Dulcimer

- Ondes Martenot

- Sitar

- Theremin

- Viola da gamba