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% O gloriosa DominaO gloriosa Domina
  2. πŸ” 90% O gloriosa VirginumO gloriosa Virginum
  3. πŸ” 90% O gloriosa VirginumO gloriosa Virginum
  4. πŸ” 83% O gloriosa virginumO gloriosa virginum
  5. πŸ” 77% O Prima VirgoO Prima Virgo
  6. πŸ” 77% Quem terra pontus aetheraQuem terra pontus aethera
  7. πŸ” 76% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  8. πŸ” 76% Praeclara custos VirginumPraeclara custos Virginum
  9. πŸ” 74% O gloriosa DominaO gloriosa Domina
  10. πŸ” 74% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  11. πŸ” 74% Quem terra pontus sideraQuem terra pontus sidera
  12. πŸ” 74% Aurora soli praeviaAurora soli praevia
  13. πŸ” 74% Te gestientem gaudiisTe gestientem gaudiis
  14. πŸ” 74% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  15. πŸ” 74% Te Mater alma NuminisTe Mater alma Numinis
  16. πŸ” 73% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  17. πŸ” 73% Caelestis aulae NuntiusCaelestis aulae Nuntius
  18. πŸ” 73% O prima Virgo proditaO prima Virgo prodita
  19. πŸ” 73% Jam morte victor obrutaJam morte victor obruta
  20. πŸ” 72% In monte olivisIn monte olivis
  21. πŸ” 72% Memento salutis AuctorMemento salutis Auctor
  22. πŸ” 72% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  23. πŸ” 72% Caelestis aulae nuntiusCaelestis aulae nuntius
  24. πŸ” 71% Memento rerum conditorMemento rerum conditor
  25. πŸ” 71% Te gestientem gaudiisTe gestientem gaudiis
  26. πŸ” 71% Quem terra pontus sideraQuem terra pontus sidera
  27. πŸ” 70% Memento rerum conditorMemento rerum conditor
  28. πŸ” 70% Jam morte victorJam morte victor
  29. πŸ” 70% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  30. πŸ” 69% In monte olivisIn monte olivis
  31. πŸ” 68% Caelo Redemptor praetulitCaelo Redemptor praetulit
  32. πŸ” 68% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  33. πŸ” 66% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  34. πŸ” 66% O gloriosa DominaO gloriosa Domina
  35. πŸ” 65% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  36. πŸ” 64% Aurora solis nuntiaAurora solis nuntia
  37. πŸ” 63% Rerum Deus (BVM)Rerum Deus (BVM)
  38. πŸ” 60% Maria Mater gratiaeMaria Mater gratiae
  39. πŸ” 59% O prima Virgo proditaO prima Virgo prodita
  40. πŸ” 58% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  41. πŸ” 58% Praeclara custos VirginumPraeclara custos Virginum
  42. πŸ” 57% Te gestientem gaudiisTe gestientem gaudiis
  43. πŸ” 56% Caelestis aulae nuntiusCaelestis aulae nuntius
  44. πŸ” 56% Aurora soli praeviaAurora soli praevia
  45. πŸ” 56% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  46. πŸ” 56% Te Mater almaTe Mater alma
  47. πŸ” 56% Quem terra pontus aetheraQuem terra pontus aethera
  48. πŸ” 55% Maria virgo regiaMaria virgo regia
  49. πŸ” 55% O sancta mundi dominaO sancta mundi domina
  50. πŸ” 55% Jam morte victorJam morte victor
  51. πŸ” 55% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  52. πŸ” 55% Memento, salutis AuctorMemento, salutis Auctor
  53. πŸ” 54% Quae caritatisQuae caritatis
  54. πŸ” 54% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  55. πŸ” 54% Aurora solis nuntiaAurora solis nuntia
  56. πŸ” 54% Beata Dei genetrix nitorBeata Dei genetrix nitor
  57. πŸ” 54% Fit porta ChristiFit porta Christi
  58. πŸ” 53% Jam Regina discubuitJam Regina discubuit
  59. πŸ” 53% Succedit nocti luciferSuccedit nocti lucifer
  60. πŸ” 52% Maria quae mortaliumMaria quae mortalium
  61. πŸ” 52% Veniens Mater InclitusVeniens Mater Inclitus
  62. πŸ” 52% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  63. πŸ” 52% 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