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