Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 162vSequence: 1Full text: Quattuor animalia ibant et revertebantur in similitudinem fulguris coruscantis et erat in medio splendor ignis et de igne fulgur egrediensFeast: MatthaeiOffice: MGenre: RPosition: 2.3Cantus ID: 007465