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In page Ordo Virtutum:

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Music was a part of daily life in the abbey, since the nuns chanted psalms several times a day during the Liturgy of the Hours. The performance of non-liturgical music was more rare, having to do with celebrations and special occasions in the life of the community. However, Hildegard of Bingen received no traditional education in composition, nor was she trained to play instruments.[citation needed] She was "self-taught," although not in a way that many people would expect. Her whole life, Hildegard of Bingen had been both clairvoyant and clairaudient. The music came to her in visions. She also attempted to describe what she was going through in works such as Ordo Virtutum.[1]