 In particular, his "Historia" of Saint Nicholas (a collection of anthems, antiphons, responsories, lections and prayers designed to be recited throughout the day on the saint's feast day, in a Liturgy of the Hours) was 'artistically exceptional' and 'swept the world like a catchy new tune', as innovation had been subdued under Charlemagne but was just beginning to take off once again.He demonstrated his linguistic versatility by switching from language to language within the text.This "Historia" also earned Reginold the bishopric, which was awarded to him by the Holy Roman Emperor Otto the Great.