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% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  2. πŸ” 81% Jam morte victorJam morte victor
  3. πŸ” 80% Te gestientem gaudiisTe gestientem gaudiis
  4. πŸ” 80% O prima Virgo proditaO prima Virgo prodita
  5. πŸ” 79% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  6. πŸ” 79% In monte olivisIn monte olivis
  7. πŸ” 78% O Prima VirgoO Prima Virgo
  8. πŸ” 78% Caelestis aulae nuntiusCaelestis aulae nuntius
  9. πŸ” 78% Te gestientem gaudiisTe gestientem gaudiis
  10. πŸ” 78% Aurora soli praeviaAurora soli praevia
  11. πŸ” 77% Quem terra pontus sideraQuem terra pontus sidera
  12. πŸ” 77% Jam morte victor obrutaJam morte victor obruta
  13. πŸ” 76% Aurora solis nuntiaAurora solis nuntia
  14. πŸ” 76% Caelestis aulae NuntiusCaelestis aulae Nuntius
  15. πŸ” 76% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  16. πŸ” 76% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  17. πŸ” 75% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  18. πŸ” 75% O gloriosa virginumO gloriosa virginum
  19. πŸ” 75% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  20. πŸ” 73% Rerum Deus (BVM)Rerum Deus (BVM)
  21. πŸ” 73% In monte olivisIn monte olivis
  22. πŸ” 73% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  23. πŸ” 73% Memento rerum conditorMemento rerum conditor
  24. πŸ” 72% Te Mater alma NuminisTe Mater alma Numinis
  25. πŸ” 72% Memento rerum conditorMemento rerum conditor
  26. πŸ” 72% Caelo Redemptor praetulitCaelo Redemptor praetulit
  27. πŸ” 72% O gloriosa VirginumO gloriosa Virginum
  28. πŸ” 72% O gloriosa VirginumO gloriosa Virginum
  29. πŸ” 72% Quem terra pontus aetheraQuem terra pontus aethera
  30. πŸ” 71% Quem terra pontus sideraQuem terra pontus sidera
  31. πŸ” 71% Praeclara custos VirginumPraeclara custos Virginum
  32. πŸ” 71% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  33. πŸ” 70% O gloriosa DominaO gloriosa Domina
  34. πŸ” 70% Memento salutis AuctorMemento salutis Auctor
  35. πŸ” 69% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  36. πŸ” 68% Maria Mater gratiaeMaria Mater gratiae
  37. πŸ” 59% Aurora solis nuntiaAurora solis nuntia
  38. πŸ” 57% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  39. πŸ” 56% O prima Virgo proditaO prima Virgo prodita
  40. πŸ” 56% Jam morte victorJam morte victor
  41. πŸ” 56% Maria virgo regiaMaria virgo regia
  42. πŸ” 55% Te gestientem gaudiisTe gestientem gaudiis
  43. πŸ” 55% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  44. πŸ” 55% Aurora soli praeviaAurora soli praevia
  45. πŸ” 54% Maria quae mortaliumMaria quae mortalium
  46. πŸ” 54% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  47. πŸ” 54% Veniens Mater InclitusVeniens Mater Inclitus
  48. πŸ” 53% Caelestis aulae nuntiusCaelestis aulae nuntius
  49. πŸ” 53% Te Mater almaTe Mater alma
  50. πŸ” 53% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  51. πŸ” 53% Quem terra pontus aetheraQuem terra pontus aethera
  52. πŸ” 53% Praeclara custos VirginumPraeclara custos Virginum
  53. πŸ” 53% Jam Regina discubuitJam Regina discubuit
  54. πŸ” 52% Quae caritatisQuae caritatis
  55. πŸ” 52% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  56. πŸ” 52% O gloriosa DominaO gloriosa Domina
  57. πŸ” 52% Beata Dei genetrix nitorBeata Dei genetrix nitor
  58. πŸ” 52% O sancta mundi dominaO sancta mundi domina
  59. πŸ” 52% Jam lucis orto sidere (In Tempore Ascensionis)Jam lucis orto sidere (In Tempore Ascensionis)
  60. πŸ” 51% Memento, salutis AuctorMemento, salutis Auctor
  61. πŸ” 51% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  62. πŸ” 51% Fit porta ChristiFit porta Christi
  63. πŸ” 51% Jam lucis orto sidere (In tempore Passionis)Jam lucis orto sidere (In tempore Passionis)
  64. πŸ” 51% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  65. πŸ” 50% Jam lucis orto sidere (In Tempore Paschali)Jam lucis orto sidere (In Tempore Paschali)