V-CVbav-ms-Capp.Sist.57: Title as in ms (index) = 'Eterna mundi serie' / [Superius2]: 'Canon. Tres sunt qui testimoniu[m] dant in celo et hi tres unum sunt'; two canonic voices have to be derived from this written voice, one a 5th lower, and the other an octave lower / [Superius2]: 'Pater filius et spiritus sanctus' in both parts of the motet