Source E-TUY (Tuy) Archivo Capitular de la Catedral de Tuy L V Folio 043v-046r Sequence 001 Text In domum domini (Laetatus sum, tone 4) Feast De BMV Liturgical occasion V Genre PS Number of voices 4 Composer Anonymous Marginalia Headed: ‘Vesperae B. Mariae: A4. 4 tono’ Images 043v-044r
