IsoGrego

Find the top n Gregorian chants most similar to a given one, sorted by cosine TF-IDF similarity of the GABC files.

Last sync with GregoBase: 2025-12-20. Max GregoBase ID: 20393.

🎩 tip: "How to compute the similarity between two text documents?" StackOverflow question. Originally inspired by "examples of same setting, different texts?" MusicaSacra forum thread. See the source code on GitHub.

See, e.g.: 1961 Solesmes Liber Usualis

Click on the chant name to expand/contract the collapsible. Click the chant image to open it up in GregoBase. Click the πŸ” to find similarities to the given chant.

  1. πŸ” 100% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  2. πŸ” 88% Rerum Deus (BVM)Rerum Deus (BVM)
  3. πŸ” 79% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  4. πŸ” 76% O prima Virgo proditaO prima Virgo prodita
  5. πŸ” 76% Te gestientem gaudiisTe gestientem gaudiis
  6. πŸ” 76% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  7. πŸ” 76% Jam morte victorJam morte victor
  8. πŸ” 75% In monte olivisIn monte olivis
  9. πŸ” 74% Caelestis aulae nuntiusCaelestis aulae nuntius
  10. πŸ” 74% Quem terra pontus sideraQuem terra pontus sidera
  11. πŸ” 74% O Prima VirgoO Prima Virgo
  12. πŸ” 73% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  13. πŸ” 73% Te gestientem gaudiisTe gestientem gaudiis
  14. πŸ” 73% Caelestis aulae NuntiusCaelestis aulae Nuntius
  15. πŸ” 73% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  16. πŸ” 72% Aurora soli praeviaAurora soli praevia
  17. πŸ” 72% Jam morte victor obrutaJam morte victor obruta
  18. πŸ” 72% O gloriosa virginumO gloriosa virginum
  19. πŸ” 72% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  20. πŸ” 71% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  21. πŸ” 71% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  22. πŸ” 70% Memento rerum conditorMemento rerum conditor
  23. πŸ” 70% Memento rerum conditorMemento rerum conditor
  24. πŸ” 70% In monte olivisIn monte olivis
  25. πŸ” 69% Praeclara custos VirginumPraeclara custos Virginum
  26. πŸ” 69% Te Mater alma NuminisTe Mater alma Numinis
  27. πŸ” 69% O gloriosa VirginumO gloriosa Virginum
  28. πŸ” 69% O gloriosa VirginumO gloriosa Virginum
  29. πŸ” 69% Aurora solis nuntiaAurora solis nuntia
  30. πŸ” 69% Quem terra pontus aetheraQuem terra pontus aethera
  31. πŸ” 69% Quem terra pontus sideraQuem terra pontus sidera
  32. πŸ” 69% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  33. πŸ” 68% O gloriosa DominaO gloriosa Domina
  34. πŸ” 67% Caelo Redemptor praetulitCaelo Redemptor praetulit
  35. πŸ” 67% Maria Mater gratiaeMaria Mater gratiae
  36. πŸ” 66% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  37. πŸ” 66% Memento salutis AuctorMemento salutis Auctor
  38. πŸ” 56% Rerum Deus tenax vigor (Septem Dolorum)Rerum Deus tenax vigor (Septem Dolorum)
  39. πŸ” 53% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  40. πŸ” 53% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  41. πŸ” 53% O prima Virgo proditaO prima Virgo prodita
  42. πŸ” 53% Praeclara custos VirginumPraeclara custos Virginum
  43. πŸ” 53% Maria virgo regiaMaria virgo regia
  44. πŸ” 52% Quem terra pontus aetheraQuem terra pontus aethera
  45. πŸ” 52% Te gestientem gaudiisTe gestientem gaudiis
  46. πŸ” 52% Aurora solis nuntiaAurora solis nuntia
  47. πŸ” 52% Rerum Deus tenax vigor (In tempore Passionis)Rerum Deus tenax vigor (In tempore Passionis)
  48. πŸ” 52% Caelestis aulae nuntiusCaelestis aulae nuntius
  49. πŸ” 52% Rerum Deus tenax vigor (In Dom. et Minor. Festis)Rerum Deus tenax vigor (In Dom. et Minor. Festis)
  50. πŸ” 52% Aurora soli praeviaAurora soli praevia
  51. πŸ” 52% Te Mater almaTe Mater alma
  52. πŸ” 52% Jam morte victorJam morte victor
  53. πŸ” 51% Maria quae mortaliumMaria quae mortalium
  54. πŸ” 51% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  55. πŸ” 51% O gloriosa DominaO gloriosa Domina
  56. πŸ” 51% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  57. πŸ” 51% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  58. πŸ” 50% Beata Dei genetrix nitorBeata Dei genetrix nitor
  59. πŸ” 50% Quae caritatisQuae caritatis
  60. πŸ” 50% Rerum Deus tenax vigor (In Pentecoste)Rerum Deus tenax vigor (In Pentecoste)
  61. πŸ” 50% Memento, salutis AuctorMemento, salutis Auctor
  62. πŸ” 49% Fit porta ChristiFit porta Christi
  63. πŸ” 49% Rerum Deus tenax vigor (In Quadragesima)Rerum Deus tenax vigor (In Quadragesima)
  64. πŸ” 49% O sancta mundi dominaO sancta mundi domina
  65. πŸ” 49% Jam Regina discubuitJam Regina discubuit