Kaláka

The Kaláka music band was formed in 1969 in Budapest. The name "kaláka" means "work done together, helping each other out", originally applied to house building in Transyilvania.

Members and musical instruments:

Becze Gábor: double-bass, guitar
Gryllus Dániel: flutes, zither, panpipe, clarinet, revealing, bagpipe
Gryllus Vilmos: cello, guitar, charango, lute, "doromb"
Radványi Balázs:mandolin, 12 string guitars, ukulele, cuatro, viola, kalimba

http://www.kalaka.hu/kalaka.html