He performs on the c. 1732 “LeBrun; Bouthillard” Guarneri del Gesù violin, generously on loan from Ingles & Hayday.

His father, Josef Špaček Sr., is a prominent cellist with the Czech Philharmonic and his siblings have also studied music.

Špaček started playing violin at the age of three and three years later started taking violin lessons in US and Czech schools including the Curtis Institute of Music, the Juilliard School, and the Prague Conservatory.

Among his teachers have been Itzhak Perlman, Václav Hudeček, Ida Kavafian, Jaime Laredo, and Shmuel Ashkenasi.

In 2015 Supraphon released his recording of violin concertos by Antonín Dvořák, Leoš Janáček and the Fantasy by Josef Suk, with the Czech Philharmonic Orchestra and conductor Jiří Bělohlávek.