Source: SK-BRl (Bratislava) Rkp. 387 Missale NotatumFolio: 158rSequence: 2Full text: Alleluia Tu es Petrus et super hanc petram aedificabo ecclesiam meamFeast: Vincula PetriOffice: MASSGenre: AlCantus ID: g00029Image link: http://147.213.131.4:85/digi/Rkp_zv_387/LKB___RKP_ZV_387_____24TL/SK/1_1_0158R.h…