Rubuta ci gaba don wannan sakin layi - A cikin sharhinsa na baje kolin, Miloš Macourek ya yaba da "hankali mai ban sha'awa da kuma sa hannu cikin siyasa" na Pitra kuma ya nuna tabbacin cewa marubucin ba da daɗewa ba zai kafa kansa a cikin babban filin zane-zane na zane-zane. Bai yi kuskure ba a wannan hasashen. Bayan kammala makaranta, Pitra ya fara aiki a matsayin mai zane-zane na zane-zane na gida da na kasa da kasa; a tsakanin sauran abubuwa, ya shiga cikin zane-zane na zane-zane na Czechoslovak a EXPO 58 World's Fair a Brussels
Ka yi haƙuri. Da yawa kamar abokin makarantarsa Ladislav Rada, shi ma ya tsara tallace-tallace, hotuna da murfin rikodin don Gramofonové závody <unk> Supraphon.