We have pieces in the following keys for Accordion:
1-16 of 16 Accordion Pieces in G minor

Trad.
Hava Nagila (Israel)

Allegri
Miserere Mei Deus

Albinoni
Adagio

Faure
Sicilienne Op. 78

Purcell
Rondeau from Abdelazer

Trad.
Darby the Driver. (Irish Folk Song)

Brahms
Hungarian Dance no.5

Trad.
Grace O'Malley (Irish Folk Song)

Trad.
Granu Waile or Ma-Ma (Irish Folk Song)

Trad.
Freilechs von der Chuppe (klezmer)

Trad.
O'Carolan's Farewell (Irish Trad.)

Trad.
The Lamentation of Owen Roe O'Neill (Iris...

Albinoni
Adagio (Full Version)

David Bruce
Pirates of the Aegean

Liszt
Hungarian Rhapsody No. 2

Zequinha Abreu
Tico-Tico no fuba