Concertinist
The Century Dictionary and Cyclopedia
noun.
One who plays upon a concertina.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Someone who plays the
concertina
.
Word Usage
"We went to hear Israeli conductor, harpsichordist and concertinist Shalev Ad-El at the Leon de Greif auditorium on the Plaza Che Gevara at the National U."