Discovery of a new organa book fragment

Deux bifolios d'un recueil polyphonique du XIIIème siècle, avec organa à deux voix, ont été utilisés comme garde d'un manuscrit du traité d'économie rurale, Ruralia Commoda, de Pietro de’ Crescenzi (Petrus Crescentius)

Ce fragment contient plusieurs concordances avec les témoins les plus connus de l'Ars antiqua.

Pour simplifier la compréhension du fragment j'ai séparé les bifolios en folio.

(CZ-Pu) Praha, Narodní knihovna České republiky V.E.15



Alleluia Post partum

D-W Cod. Guelf. 628 Helmst. (W1), 181r-181v
I-Fl MS Pluteus 29.1 (F), 126v—127)



Gloriosus. V. Dextera tua. Gloriosus

D-W Cod. Guelf. 1099 Helmst. (W2), 85v—86
I-Fl MS Pluteus 29.1 (F), 131v-132v



Terribilis est. V. Cumque evigilasset. Gloria

D-W Cod. Guelf. 1099 Helmst. (W2), 59v-60v
I-Fl MS Pluteus 29.1 (F), 85v—86



Benedicamus domino

I-Fl MS Pluteus 29.1 (F), 86v



Sint lumbi. V. Vigilate ergo. Gloria.

D-W Cod. Guelf. 628 Helmst. (W1), 17v (Sans Gloria)
D-W Cod. Guelf. 1099 Helmst. (W2), 57r-57v (Sans Gloria)
I-Fl MS Pluteus 29.1 (F), 83r-84r (Autre Gloria)



Regnum mundi. V. Eructavit cor meum

D-W Cod. Guelf. 628 Helmst. (W1), 18r-18v
D-W Cod. Guelf. 1099 Helmst. (W2), 57v-58r
I-Fl MS Pluteus 29.1 (F), 84r-58r


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  • Fantastic discoveries.  Certainly the "Notre Dame" repertoire and manuscript style traveled far.

  • Thanks so much for bringing this to our attention.  I don't know if anyone has already done this, but if anyone is interested, the unidentified conclusion of the piece in the top system of f. 1r is Alleluia Veni electa [M54]. C-Zu V.E.15 preserves the final phrase of discant on [“concupivit rex”] and concluding organal passage. The T and D of the discant = F,W2,Ber; the organal passage = W1 with a differing last D phrase


  • Thank you for your eagle eyes. Along with the Stary Sacz fragments, this would appear to be further evidence of the transmission of Notre Dame polyphony to the east. Long before Charles IV, the French connections were strong in the region.

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