Laudario di Cortona is a musical codex from the second half of the 13th century containing a collection of lauds praises. Stored in the Library of the Municipality and the Etruscan Academy Biblioteca del Comune e dell`Accademia Etrusca in Cortona manuscript No. 91. The manuscript contains 49 songs.
Laude or laudaspirituale was an important form of folk spiritual song in late medieval and Renaissance Italy.

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https//en.wikipedia.org/wiki/Lauda_song