Source: PL-STAb 1 AntiphonariumFolio: 108rSequence: 1Feast: Nativitas DominiOffice: MGenre: RPosition: 3.2Cantus ID: 007297Mode: 1Full text: O regem caeli cui talia famulantur obsequia stabulo ponitur qui continet mundum jacet in praesepio et in nubibus tonat