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 aetheraQuem terra pontus aethera
  2. πŸ” 97% Quem terra pontus sideraQuem terra pontus sidera
  3. πŸ” 90% Quem terra pontus sideraQuem terra pontus sidera
  4. πŸ” 78% Quem terra pontus aetheraQuem terra pontus aethera
  5. πŸ” 77% Caelestis aulae NuntiusCaelestis aulae Nuntius
  6. πŸ” 77% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  7. πŸ” 77% O Prima VirgoO Prima Virgo
  8. πŸ” 77% O gloriosa DominaO gloriosa Domina
  9. πŸ” 76% Praeclara custos VirginumPraeclara custos Virginum
  10. πŸ” 76% Te gestientem gaudiisTe gestientem gaudiis
  11. πŸ” 75% In monte olivisIn monte olivis
  12. πŸ” 75% Aurora soli praeviaAurora soli praevia
  13. πŸ” 75% Te Mater alma NuminisTe Mater alma Numinis
  14. πŸ” 75% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  15. πŸ” 74% Jam morte victor obrutaJam morte victor obruta
  16. πŸ” 74% Caelestis aulae nuntiusCaelestis aulae nuntius
  17. πŸ” 73% O gloriosa VirginumO gloriosa Virginum
  18. πŸ” 73% O gloriosa VirginumO gloriosa Virginum
  19. πŸ” 73% Memento salutis AuctorMemento salutis Auctor
  20. πŸ” 73% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  21. πŸ” 73% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  22. πŸ” 73% Te gestientem gaudiisTe gestientem gaudiis
  23. πŸ” 73% Memento rerum conditorMemento rerum conditor
  24. πŸ” 73% O prima Virgo proditaO prima Virgo prodita
  25. πŸ” 72% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  26. πŸ” 72% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  27. πŸ” 71% Jam morte victorJam morte victor
  28. πŸ” 71% Caelo Redemptor praetulitCaelo Redemptor praetulit
  29. πŸ” 71% In monte olivisIn monte olivis
  30. πŸ” 71% Memento rerum conditorMemento rerum conditor
  31. πŸ” 69% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  32. πŸ” 69% O gloriosa virginumO gloriosa virginum
  33. πŸ” 68% Aurora solis nuntiaAurora solis nuntia
  34. πŸ” 68% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  35. πŸ” 67% 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” 60% Caelestis aulae nuntiusCaelestis aulae nuntius
  39. πŸ” 60% Maria virgo regiaMaria virgo regia
  40. πŸ” 59% O prima Virgo proditaO prima Virgo prodita
  41. πŸ” 58% Aurora solis nuntiaAurora solis nuntia
  42. πŸ” 58% In plausu gratia cΓ‘rminisIn plausu gratia cΓ‘rminis
  43. πŸ” 58% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  44. πŸ” 58% Aurora soli praeviaAurora soli praevia
  45. πŸ” 58% Te gestientem gaudiisTe gestientem gaudiis
  46. πŸ” 57% Succedit nocti luciferSuccedit nocti lucifer
  47. πŸ” 57% Praeclara custos VirginumPraeclara custos Virginum
  48. πŸ” 57% O sancta mundi dominaO sancta mundi domina
  49. πŸ” 56% Jam morte victorJam morte victor
  50. πŸ” 56% Fit porta ChristiFit porta Christi
  51. πŸ” 56% O gloriosa DominaO gloriosa Domina
  52. πŸ” 56% Te Mater almaTe Mater alma
  53. πŸ” 55% Praeclara custos vΓ­rginumPraeclara custos vΓ­rginum
  54. πŸ” 55% Maria quae mortaliumMaria quae mortalium
  55. πŸ” 55% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  56. πŸ” 55% Memento, salutis AuctorMemento, salutis Auctor
  57. πŸ” 54% Jam Regina discubuitJam Regina discubuit
  58. πŸ” 54% Veniens Mater InclitusVeniens Mater Inclitus
  59. πŸ” 54% Quae caritatisQuae caritatis
  60. πŸ” 54% 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” 53% Omnis sanctorum concioOmnis sanctorum concio
  64. πŸ” 52% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  65. πŸ” 52% Omnis sanctorum concioOmnis sanctorum concio