Jónsson, Jónsson, Hemstock & Gröndal is a quartet led by brothers saxophonist Ólafur and bassist Þorgrímur along with drummer Matthias Hemstock and multi-reed instrumentalist Haukur Gröndal. The band will perform new material, written by the brothers with older material adapted for this line-up.
Ólafur Jónsson : saxophones
Þorgrímur Jónsson : double bass
Matthías Hemstock : percussion
Haukur Gröndal : reeds