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% Quem terra pontus sideraQuem terra pontus sidera
  2. πŸ” 97% Quem terra pontus aetheraQuem terra pontus aethera
  3. πŸ” 90% Quem terra pontus sideraQuem terra pontus sidera
  4. πŸ” 77% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  5. πŸ” 77% Caelestis aulae NuntiusCaelestis aulae Nuntius
  6. πŸ” 77% Praeclara custos VirginumPraeclara custos Virginum
  7. πŸ” 77% Quem terra pontus aetheraQuem terra pontus aethera
  8. πŸ” 76% O Prima VirgoO Prima Virgo
  9. πŸ” 76% In monte olivisIn monte olivis
  10. πŸ” 75% Te gestientem gaudiisTe gestientem gaudiis
  11. πŸ” 75% Aurora soli praeviaAurora soli praevia
  12. πŸ” 74% O gloriosa DominaO gloriosa Domina
  13. πŸ” 74% Te Mater alma NuminisTe Mater alma Numinis
  14. πŸ” 73% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  15. πŸ” 73% O gloriosa VirginumO gloriosa Virginum
  16. πŸ” 73% O gloriosa VirginumO gloriosa Virginum
  17. πŸ” 73% Jam morte victor obrutaJam morte victor obruta
  18. πŸ” 73% Caelestis aulae nuntiusCaelestis aulae nuntius
  19. πŸ” 72% Memento rerum conditorMemento rerum conditor
  20. πŸ” 72% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  21. πŸ” 72% Te gestientem gaudiisTe gestientem gaudiis
  22. πŸ” 72% O prima Virgo proditaO prima Virgo prodita
  23. πŸ” 72% Memento salutis AuctorMemento salutis Auctor
  24. πŸ” 72% Caelo Redemptor praetulitCaelo Redemptor praetulit
  25. πŸ” 71% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  26. πŸ” 71% In monte olivisIn monte olivis
  27. πŸ” 71% Jam morte victorJam morte victor
  28. πŸ” 71% Memento rerum conditorMemento rerum conditor
  29. πŸ” 70% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  30. πŸ” 70% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  31. πŸ” 69% O gloriosa virginumO gloriosa virginum
  32. πŸ” 69% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  33. πŸ” 68% Aurora solis nuntiaAurora solis nuntia
  34. πŸ” 67% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  35. πŸ” 66% Rerum Deus (BVM)Rerum Deus (BVM)
  36. πŸ” 66% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  37. πŸ” 61% Maria Mater gratiaeMaria Mater gratiae
  38. πŸ” 59% Maria virgo regiaMaria virgo regia
  39. πŸ” 59% Caelestis aulae nuntiusCaelestis aulae nuntius
  40. πŸ” 58% Aurora solis nuntiaAurora solis nuntia
  41. πŸ” 58% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  42. πŸ” 58% O prima Virgo proditaO prima Virgo prodita
  43. πŸ” 57% Aurora soli praeviaAurora soli praevia
  44. πŸ” 57% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  45. πŸ” 57% Te gestientem gaudiisTe gestientem gaudiis
  46. πŸ” 56% O sancta mundi dominaO sancta mundi domina
  47. πŸ” 56% Praeclara custos VirginumPraeclara custos Virginum
  48. πŸ” 56% Succedit nocti luciferSuccedit nocti lucifer
  49. πŸ” 56% Jam morte victorJam morte victor
  50. πŸ” 56% O gloriosa DominaO gloriosa Domina
  51. πŸ” 56% Fit porta ChristiFit porta Christi
  52. πŸ” 55% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  53. πŸ” 55% Te Mater almaTe Mater alma
  54. πŸ” 54% Maria quae mortaliumMaria quae mortalium
  55. πŸ” 54% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  56. πŸ” 54% Jam Regina discubuitJam Regina discubuit
  57. πŸ” 54% Memento, salutis AuctorMemento, salutis Auctor
  58. πŸ” 54% Veniens Mater InclitusVeniens Mater Inclitus
  59. πŸ” 53% Quae caritatisQuae caritatis
  60. πŸ” 53% Beata Dei genetrix nitorBeata Dei genetrix nitor
  61. πŸ” 53% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  62. πŸ” 53% O virgo mater filiaO virgo mater filia
  63. πŸ” 52% Omnis sanctorum concioOmnis sanctorum concio
  64. πŸ” 52% Omnis sanctorum concioOmnis sanctorum concio
  65. πŸ” 51% Bernardus doctor Γ­nclitusBernardus doctor Γ­nclitus