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% Memento rerum conditorMemento rerum conditor
  2. πŸ” 86% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  3. πŸ” 86% Memento rerum conditorMemento rerum conditor
  4. πŸ” 78% Memento salutis AuctorMemento salutis Auctor
  5. πŸ” 76% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  6. πŸ” 76% O Prima VirgoO Prima Virgo
  7. πŸ” 74% Te Mater alma NuminisTe Mater alma Numinis
  8. πŸ” 74% Te gestientem gaudiisTe gestientem gaudiis
  9. πŸ” 74% Caelestis aulae NuntiusCaelestis aulae Nuntius
  10. πŸ” 74% O gloriosa VirginumO gloriosa Virginum
  11. πŸ” 74% O gloriosa VirginumO gloriosa Virginum
  12. πŸ” 74% In monte olivisIn monte olivis
  13. πŸ” 74% Aurora soli praeviaAurora soli praevia
  14. πŸ” 74% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  15. πŸ” 73% O prima Virgo proditaO prima Virgo prodita
  16. πŸ” 73% Quem terra pontus aetheraQuem terra pontus aethera
  17. πŸ” 73% Praeclara custos VirginumPraeclara custos Virginum
  18. πŸ” 72% Quem terra pontus sideraQuem terra pontus sidera
  19. πŸ” 72% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  20. πŸ” 72% Jam morte victor obrutaJam morte victor obruta
  21. πŸ” 71% Te gestientem gaudiisTe gestientem gaudiis
  22. πŸ” 71% O gloriosa DominaO gloriosa Domina
  23. πŸ” 71% Maria Mater gratiaeMaria Mater gratiae
  24. πŸ” 71% Caelestis aulae nuntiusCaelestis aulae nuntius
  25. πŸ” 71% Jam morte victorJam morte victor
  26. πŸ” 71% In monte olivisIn monte olivis
  27. πŸ” 70% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  28. πŸ” 70% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  29. πŸ” 69% Quem terra pontus sideraQuem terra pontus sidera
  30. πŸ” 68% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  31. πŸ” 68% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  32. πŸ” 68% O gloriosa virginumO gloriosa virginum
  33. πŸ” 67% Caelo Redemptor praetulitCaelo Redemptor praetulit
  34. πŸ” 66% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  35. πŸ” 65% Memento, salutis AuctorMemento, salutis Auctor
  36. πŸ” 64% Rerum Deus (BVM)Rerum Deus (BVM)
  37. πŸ” 64% Aurora solis nuntiaAurora solis nuntia
  38. πŸ” 58% O prima Virgo proditaO prima Virgo prodita
  39. πŸ” 57% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  40. πŸ” 57% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  41. πŸ” 57% Maria virgo regiaMaria virgo regia
  42. πŸ” 56% Te gestientem gaudiisTe gestientem gaudiis
  43. πŸ” 56% Caelestis aulae nuntiusCaelestis aulae nuntius
  44. πŸ” 56% Aurora soli praeviaAurora soli praevia
  45. πŸ” 55% Praeclara custos VirginumPraeclara custos Virginum
  46. πŸ” 55% Te Mater almaTe Mater alma
  47. πŸ” 55% Aurora solis nuntiaAurora solis nuntia
  48. πŸ” 55% Jam morte victorJam morte victor
  49. πŸ” 55% Quem terra pontus aetheraQuem terra pontus aethera
  50. πŸ” 54% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  51. πŸ” 54% Quae caritatisQuae caritatis
  52. πŸ” 54% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  53. πŸ” 53% O gloriosa DominaO gloriosa Domina
  54. πŸ” 53% Fit porta ChristiFit porta Christi
  55. πŸ” 53% Maria quae mortaliumMaria quae mortalium
  56. πŸ” 53% O sancta mundi dominaO sancta mundi domina
  57. πŸ” 53% Veniens Mater InclitusVeniens Mater Inclitus
  58. πŸ” 52% Beata Dei genetrix nitorBeata Dei genetrix nitor
  59. πŸ” 52% Jam Regina discubuitJam Regina discubuit
  60. πŸ” 51% Omnis sanctorum concioOmnis sanctorum concio
  61. πŸ” 51% Te gestientem gaudiisTe gestientem gaudiis
  62. πŸ” 51% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  63. πŸ” 51% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  64. πŸ” 51% Omnis sanctorum concioOmnis sanctorum concio
  65. πŸ” 51% O virgo mater filiaO virgo mater filia