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% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  2. πŸ” 93% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  3. πŸ” 73% O gloriosa DominaO gloriosa Domina
  4. πŸ” 73% Quem terra pontus aetheraQuem terra pontus aethera
  5. πŸ” 73% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  6. πŸ” 72% O Prima VirgoO Prima Virgo
  7. πŸ” 72% Te Mater alma NuminisTe Mater alma Numinis
  8. πŸ” 72% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  9. πŸ” 71% Te gestientem gaudiisTe gestientem gaudiis
  10. πŸ” 70% O gloriosa VirginumO gloriosa Virginum
  11. πŸ” 70% O gloriosa VirginumO gloriosa Virginum
  12. πŸ” 70% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  13. πŸ” 70% Quem terra pontus sideraQuem terra pontus sidera
  14. πŸ” 70% Praeclara custos VirginumPraeclara custos Virginum
  15. πŸ” 70% Jam morte victor obrutaJam morte victor obruta
  16. πŸ” 69% Caelestis aulae NuntiusCaelestis aulae Nuntius
  17. πŸ” 69% Aurora soli praeviaAurora soli praevia
  18. πŸ” 69% In monte olivisIn monte olivis
  19. πŸ” 69% Memento rerum conditorMemento rerum conditor
  20. πŸ” 69% Memento salutis AuctorMemento salutis Auctor
  21. πŸ” 69% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  22. πŸ” 69% O prima Virgo proditaO prima Virgo prodita
  23. πŸ” 68% Memento rerum conditorMemento rerum conditor
  24. πŸ” 68% Te gestientem gaudiisTe gestientem gaudiis
  25. πŸ” 67% Jam morte victorJam morte victor
  26. πŸ” 66% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  27. πŸ” 66% Caelestis aulae nuntiusCaelestis aulae nuntius
  28. πŸ” 66% Quem terra pontus sideraQuem terra pontus sidera
  29. πŸ” 65% In monte olivisIn monte olivis
  30. πŸ” 65% Te lucis ante terminum (In Festis B M V )Te lucis ante terminum (In Festis B M V )
  31. πŸ” 65% Caelo Redemptor praetulitCaelo Redemptor praetulit
  32. πŸ” 65% O gloriosa virginumO gloriosa virginum
  33. πŸ” 64% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  34. πŸ” 63% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  35. πŸ” 63% Rerum Deus (BVM)Rerum Deus (BVM)
  36. πŸ” 62% Aurora solis nuntiaAurora solis nuntia
  37. πŸ” 59% Maria Mater gratiaeMaria Mater gratiae
  38. πŸ” 56% O prima Virgo proditaO prima Virgo prodita
  39. πŸ” 55% Te Mater almaTe Mater alma
  40. πŸ” 55% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  41. πŸ” 54% Te gestientem gaudiisTe gestientem gaudiis
  42. πŸ” 54% O gloriosa DominaO gloriosa Domina
  43. πŸ” 54% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  44. πŸ” 54% Jam morte victorJam morte victor
  45. πŸ” 54% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  46. πŸ” 54% Caelestis aulae nuntiusCaelestis aulae nuntius
  47. πŸ” 54% Memento, salutis AuctorMemento, salutis Auctor
  48. πŸ” 53% Praeclara custos VirginumPraeclara custos Virginum
  49. πŸ” 53% Aurora soli praeviaAurora soli praevia
  50. πŸ” 53% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  51. πŸ” 53% Maria virgo regiaMaria virgo regia
  52. πŸ” 53% Quem terra pontus aetheraQuem terra pontus aethera
  53. πŸ” 53% Te lucis ante terminum (In Festo D. N. J. C. Regis)Te lucis ante terminum (In Festo D. N. J. C. Regis)
  54. πŸ” 52% Aurora solis nuntiaAurora solis nuntia
  55. πŸ” 52% Beata Dei genetrix nitorBeata Dei genetrix nitor
  56. πŸ” 52% Te lucis ante terminum (In Pentecoste)Te lucis ante terminum (In Pentecoste)
  57. πŸ” 52% Maria quae mortaliumMaria quae mortalium
  58. πŸ” 52% O sancta mundi dominaO sancta mundi domina
  59. πŸ” 52% Veniens Mater InclitusVeniens Mater Inclitus
  60. πŸ” 51% Succedit nocti luciferSuccedit nocti lucifer
  61. πŸ” 51% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  62. πŸ” 51% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  63. πŸ” 51% Quae caritatisQuae caritatis
  64. πŸ” 51% Fit porta ChristiFit porta Christi
  65. πŸ” 50% Jam Regina discubuitJam Regina discubuit