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 CΓ³nditorMemento rerum CΓ³nditor
  2. πŸ” 91% Memento rerum conditorMemento rerum conditor
  3. πŸ” 86% Memento rerum conditorMemento rerum conditor
  4. πŸ” 81% Memento salutis AuctorMemento salutis Auctor
  5. πŸ” 75% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  6. πŸ” 75% O Prima VirgoO Prima Virgo
  7. πŸ” 75% Te Mater alma NuminisTe Mater alma Numinis
  8. πŸ” 75% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  9. πŸ” 74% Aurora soli praeviaAurora soli praevia
  10. πŸ” 74% O gloriosa DominaO gloriosa Domina
  11. πŸ” 74% Caelestis aulae NuntiusCaelestis aulae Nuntius
  12. πŸ” 73% Quem terra pontus aetheraQuem terra pontus aethera
  13. πŸ” 73% O gloriosa VirginumO gloriosa Virginum
  14. πŸ” 73% O gloriosa VirginumO gloriosa Virginum
  15. πŸ” 73% Te gestientem gaudiisTe gestientem gaudiis
  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% Jam morte victor obrutaJam morte victor obruta
  18. πŸ” 73% In monte olivisIn monte olivis
  19. πŸ” 73% Praeclara custos VirginumPraeclara custos Virginum
  20. πŸ” 72% Quem terra pontus sideraQuem terra pontus sidera
  21. πŸ” 72% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  22. πŸ” 71% O prima Virgo proditaO prima Virgo prodita
  23. πŸ” 71% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  24. πŸ” 71% Te gestientem gaudiisTe gestientem gaudiis
  25. πŸ” 70% Caelestis aulae nuntiusCaelestis aulae nuntius
  26. πŸ” 70% Jam morte victorJam morte victor
  27. πŸ” 70% Maria Mater gratiaeMaria Mater gratiae
  28. πŸ” 69% In monte olivisIn monte olivis
  29. πŸ” 69% Quem terra pontus sideraQuem terra pontus sidera
  30. πŸ” 69% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  31. πŸ” 68% O gloriosa virginumO gloriosa virginum
  32. πŸ” 67% Caelo Redemptor praetulitCaelo Redemptor praetulit
  33. πŸ” 66% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  34. πŸ” 66% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  35. πŸ” 64% 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” 58% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  40. πŸ” 58% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  41. πŸ” 57% Aurora soli praeviaAurora soli praevia
  42. πŸ” 57% Caelestis aulae nuntiusCaelestis aulae nuntius
  43. πŸ” 57% Te Mater almaTe Mater alma
  44. πŸ” 57% Jam morte victorJam morte victor
  45. πŸ” 56% Maria virgo regiaMaria virgo regia
  46. πŸ” 56% Te gestientem gaudiisTe gestientem gaudiis
  47. πŸ” 56% Praeclara custos VirginumPraeclara custos Virginum
  48. πŸ” 55% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  49. πŸ” 55% O gloriosa DominaO gloriosa Domina
  50. πŸ” 55% Aurora solis nuntiaAurora solis nuntia
  51. πŸ” 55% Quem terra pontus aetheraQuem terra pontus aethera
  52. πŸ” 54% Fit porta ChristiFit porta Christi
  53. πŸ” 54% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  54. πŸ” 54% Quae caritatisQuae caritatis
  55. πŸ” 54% O sancta mundi dominaO sancta mundi domina
  56. πŸ” 53% Beata Dei genetrix nitorBeata Dei genetrix nitor
  57. πŸ” 53% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  58. πŸ” 53% Maria quae mortaliumMaria quae mortalium
  59. πŸ” 53% Succedit nocti luciferSuccedit nocti lucifer
  60. πŸ” 52% Omnis sanctorum concioOmnis sanctorum concio
  61. πŸ” 52% Veniens Mater InclitusVeniens Mater Inclitus
  62. πŸ” 52% Jam Regina discubuitJam Regina discubuit
  63. πŸ” 52% Omnis sanctorum concioOmnis sanctorum concio
  64. πŸ” 52% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  65. πŸ” 51% O virgo mater filiaO virgo mater filia