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% Aurora soli praeviaAurora soli praevia
  2. πŸ” 82% O Prima VirgoO Prima Virgo
  3. πŸ” 81% Te gestientem gaudiisTe gestientem gaudiis
  4. πŸ” 80% Jam morte victor obrutaJam morte victor obruta
  5. πŸ” 80% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  6. πŸ” 80% Caelestis aulae NuntiusCaelestis aulae Nuntius
  7. πŸ” 79% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  8. πŸ” 78% Te gestientem gaudiisTe gestientem gaudiis
  9. πŸ” 78% O prima Virgo proditaO prima Virgo prodita
  10. πŸ” 78% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  11. πŸ” 77% Jam morte victorJam morte victor
  12. πŸ” 77% Te Mater alma NuminisTe Mater alma Numinis
  13. πŸ” 77% Caelestis aulae nuntiusCaelestis aulae nuntius
  14. πŸ” 76% Memento rerum conditorMemento rerum conditor
  15. πŸ” 76% Praeclara custos VirginumPraeclara custos Virginum
  16. πŸ” 76% Caelo Redemptor praetulitCaelo Redemptor praetulit
  17. πŸ” 76% In monte olivisIn monte olivis
  18. πŸ” 75% In monte olivisIn monte olivis
  19. πŸ” 75% Quem terra pontus sideraQuem terra pontus sidera
  20. πŸ” 75% Quem terra pontus aetheraQuem terra pontus aethera
  21. πŸ” 75% Quem terra pontus sideraQuem terra pontus sidera
  22. πŸ” 75% Aurora solis nuntiaAurora solis nuntia
  23. πŸ” 74% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  24. πŸ” 74% O gloriosa VirginumO gloriosa Virginum
  25. πŸ” 74% O gloriosa VirginumO gloriosa Virginum
  26. πŸ” 74% O gloriosa DominaO gloriosa Domina
  27. πŸ” 74% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  28. πŸ” 74% Memento rerum conditorMemento rerum conditor
  29. πŸ” 73% O gloriosa virginumO gloriosa virginum
  30. πŸ” 73% Aurora soli praeviaAurora soli praevia
  31. πŸ” 73% Memento salutis AuctorMemento salutis Auctor
  32. πŸ” 72% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  33. πŸ” 71% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  34. πŸ” 70% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  35. πŸ” 69% Rerum Deus (BVM)Rerum Deus (BVM)
  36. πŸ” 69% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  37. πŸ” 64% Maria Mater gratiaeMaria Mater gratiae
  38. πŸ” 61% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  39. πŸ” 60% Aurora solis nuntiaAurora solis nuntia
  40. πŸ” 59% Maria virgo regiaMaria virgo regia
  41. πŸ” 59% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  42. πŸ” 59% O prima Virgo proditaO prima Virgo prodita
  43. πŸ” 58% Te gestientem gaudiisTe gestientem gaudiis
  44. πŸ” 57% Praeclara custos VirginumPraeclara custos Virginum
  45. πŸ” 57% Jam morte victorJam morte victor
  46. πŸ” 57% Te Mater almaTe Mater alma
  47. πŸ” 57% Caelestis aulae nuntiusCaelestis aulae nuntius
  48. πŸ” 57% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  49. πŸ” 56% O sancta mundi dominaO sancta mundi domina
  50. πŸ” 56% Quae caritatisQuae caritatis
  51. πŸ” 56% Beata Dei genetrix nitorBeata Dei genetrix nitor
  52. πŸ” 56% Quem terra pontus aetheraQuem terra pontus aethera
  53. πŸ” 55% Maria quae mortaliumMaria quae mortalium
  54. πŸ” 55% Veniens Mater InclitusVeniens Mater Inclitus
  55. πŸ” 55% O gloriosa DominaO gloriosa Domina
  56. πŸ” 54% O virgo mater filiaO virgo mater filia
  57. πŸ” 54% Fit porta ChristiFit porta Christi
  58. πŸ” 54% Succedit nocti luciferSuccedit nocti lucifer
  59. πŸ” 54% Memento, salutis AuctorMemento, salutis Auctor
  60. πŸ” 54% Jam Regina discubuitJam Regina discubuit
  61. πŸ” 53% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  62. πŸ” 52% Bernarde gemma caelitum Bernarde gemma caelitum
  63. πŸ” 52% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  64. πŸ” 52% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  65. πŸ” 52% Te gestientem gaudiisTe gestientem gaudiis