Kaprál studied composition with Leoš Janáček in the Brno Organ School (1908–1910) and with Vítězslav Novák (1919–1920) in Prague.
Kaprál explored musical structure with Leoš Janáček at the Brno Organ School (1908–1910) and further developed his skills with Vítězslav Novák in Prague (1919–1920).