Source P-AR (Arouca) Museu Regional de Arte Sacra do Mosteiro de Arouca Res. Ms. 025 Folio 085r - 085v Sequence 005 Text Ego me obtuli sacrificium deo in odorem suavitatis Feast Laurentii Liturgical occasion M Genre V Position 01 Mode 8 Cantus ID 006763a Images 084v-085r 085v-086r