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% O Sena!O Sena!
  2. πŸ” 54% Ortus refulget luciferOrtus refulget lucifer
  3. πŸ” 34% Magnus DominusMagnus Dominus
  4. πŸ” 33% AngularisAngularis
  5. πŸ” 32% O lux beata CaelitumO lux beata Caelitum
  6. πŸ” 32% O lux beata CaelitumO lux beata Caelitum
  7. πŸ” 32% O lux beata CaelitumO lux beata Caelitum
  8. πŸ” 32% O lux beata CaelitumO lux beata Caelitum
  9. πŸ” 31% Quem terra pontus sideraQuem terra pontus sidera
  10. πŸ” 31% Caelestis aulae NuntiusCaelestis aulae Nuntius
  11. πŸ” 31% Quem terra pontus aetheraQuem terra pontus aethera
  12. πŸ” 31% O lux beata CaelitumO lux beata Caelitum
  13. πŸ” 31% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  14. πŸ” 31% Memento rerum CΓ³nditorMemento rerum CΓ³nditor
  15. πŸ” 31% Urbs Jerusalem beataUrbs Jerusalem beata
  16. πŸ” 31% Caelestis aulae nuntiusCaelestis aulae nuntius
  17. πŸ” 31% O Prima VirgoO Prima Virgo
  18. πŸ” 30% Memento rerum conditorMemento rerum conditor
  19. πŸ” 30% Praeclara custos VirginumPraeclara custos Virginum
  20. πŸ” 30% O gente felix hospitaO gente felix hospita
  21. πŸ” 30% Ad regias Agni dapesAd regias Agni dapes
  22. πŸ” 30% Credo VIICredo VII
  23. πŸ” 30% Te gestientem gaudiisTe gestientem gaudiis
  24. πŸ” 30% O prima Virgo proditaO prima Virgo prodita
  25. πŸ” 30% Jam morte victorJam morte victor
  26. πŸ” 30% Aurora solis nuntiaAurora solis nuntia
  27. πŸ” 30% Roma Petro GlorieturRoma Petro Glorietur
  28. πŸ” 30% Jam morte victor obrutaJam morte victor obruta
  29. πŸ” 30% Memento salutis AuctorMemento salutis Auctor
  30. πŸ” 29% Quodcumque ligaverisQuodcumque ligaveris
  31. πŸ” 29% Te CatharinaTe Catharina
  32. πŸ” 29% Te gestientem gaudiisTe gestientem gaudiis
  33. πŸ” 29% In monte olivisIn monte olivis
  34. πŸ” 29% Ad regias Agni dapesAd regias Agni dapes
  35. πŸ” 29% Jam lucis orto sidere (In festis BMV)Jam lucis orto sidere (In festis BMV)
  36. πŸ” 29% O gloriosa Virginum Regina formosissimaO gloriosa Virginum Regina formosissima
  37. πŸ” 29% Gentis redemptaeGentis redemptae
  38. πŸ” 29% Aurora soli praeviaAurora soli praevia
  39. πŸ” 29% Te Mater alma NuminisTe Mater alma Numinis
  40. πŸ” 29% Memento rerum conditorMemento rerum conditor
  41. πŸ” 29% Aeterne Rex altissimeAeterne Rex altissime
  42. πŸ” 29% O gloriosa VirginumO gloriosa Virginum
  43. πŸ” 29% O gloriosa VirginumO gloriosa Virginum
  44. πŸ” 29% O gloriosa DominaO gloriosa Domina
  45. πŸ” 28% Quem terra pontus sideraQuem terra pontus sidera
  46. πŸ” 28% Credo in DeumCredo in Deum
  47. πŸ” 28% Te beata sponsa ChristiTe beata sponsa Christi
  48. πŸ” 28% Rerum Deus tenax vigor (In festis BMV)Rerum Deus tenax vigor (In festis BMV)
  49. πŸ” 28% Caelo Redemptor praetulitCaelo Redemptor praetulit
  50. πŸ” 28% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  51. πŸ” 28% Corde natus ex ParentisCorde natus ex Parentis
  52. πŸ” 28% Celsi meritiCelsi meriti
  53. πŸ” 28% Verbum supernumVerbum supernum
  54. πŸ” 28% Aeterne Rex altissimeAeterne Rex altissime
  55. πŸ” 28% Rector potens verax Deus (In festis BMV)Rector potens verax Deus (In festis BMV)
  56. πŸ” 28% Martine par ApostolisMartine par Apostolis
  57. πŸ” 28% Tantum ergoTantum ergo
  58. πŸ” 27% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  59. πŸ” 27% Nunc Sancte nobis (In Festis BMV)Nunc Sancte nobis (In Festis BMV)
  60. πŸ” 27% Veni Creator SpiritusVeni Creator Spiritus
  61. πŸ” 27% O Redemptor O Redemptor
  62. πŸ” 27% In monte olivisIn monte olivis
  63. πŸ” 27% Lux alma Jesu mentiumLux alma Jesu mentium
  64. πŸ” 27% Libera me Domine de morteLibera me Domine de morte
  65. πŸ” 27% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)