Llibre Vermell de Montserrat

The song Mariam matrem virginem, a leaf from the Llibre Vermell de Montserrat.

The Llibre Vermell de Montserrat (Catalan pronunciation: [ˈʎiβɾə βəɾˈmɛʎ ðə munsəˈrat], "Red Book of Montserrat") is a manuscript collection of devotional texts containing, amongst others, some late medieval songs. The 14th-century manuscript was compiled in and is still located at the monastery of Montserrat outside Barcelona in Catalonia, Spain.