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% Decora lux aeternitatisDecora lux aeternitatis
  2. πŸ” 97% Decora lux aeternitatisDecora lux aeternitatis
  3. πŸ” 78% Beate Pastor PetreBeate Pastor Petre
  4. πŸ” 77% Rex summe regumRex summe regum
  5. πŸ” 76% Egregie Doctor PauleEgregie Doctor Paule
  6. πŸ” 75% Beate Pastor PetreBeate Pastor Petre
  7. πŸ” 75% Beate Pastor PetreBeate Pastor Petre
  8. πŸ” 74% Egregie DoctorEgregie Doctor
  9. πŸ” 67% Egregie Doctor PauleEgregie Doctor Paule
  10. πŸ” 52% Iam bone pastorIam bone pastor
  11. πŸ” 50% Doctor egregie PauleDoctor egregie Paule
  12. πŸ” 49% Jam bone pastorJam bone pastor
  13. πŸ” 48% Jam bone pastorJam bone pastor
  14. πŸ” 46% Decora lux aeternitatis (Alter tonus)Decora lux aeternitatis (Alter tonus)
  15. πŸ” 46% Apostolorum passio diemApostolorum passio diem
  16. πŸ” 45% Relucens inter principesRelucens inter principes
  17. πŸ” 45% Commune vos apostoliCommune vos apostoli
  18. πŸ” 43% Cohors beata SeraphimCohors beata Seraphim
  19. πŸ” 43% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  20. πŸ” 43% Qui luce splendesQui luce splendes
  21. πŸ” 42% Decora lux aeternitatis (another chant)Decora lux aeternitatis (another chant)
  22. πŸ” 41% Te nostra laetisTe nostra laetis
  23. πŸ” 41% Qui luce splendesQui luce splendes
  24. πŸ” 41% Commune vos apostoliCommune vos apostoli
  25. πŸ” 41% Quis... arguetQuis... arguet
  26. πŸ” 40% Salve crux sanctaSalve crux sancta
  27. πŸ” 40% Gemma caelestisGemma caelestis
  28. πŸ” 40% Felix per omnesFelix per omnes
  29. πŸ” 40% Praeclara qua tu gloriaPraeclara qua tu gloria
  30. πŸ” 40% Te sancte rursus LudoviceTe sancte rursus Ludovice
  31. πŸ” 40% Hugo pius pater,Hugo pius pater,
  32. πŸ” 40% Ave maris stella (another chant)Ave maris stella (another chant)
  33. πŸ” 39% Iste Confessor (Conf. not Bishop) 6Iste Confessor (Conf. not Bishop) 6
  34. πŸ” 39% Laudibus civesLaudibus cives
  35. πŸ” 39% Inter aeternasInter aeternas
  36. πŸ” 39% Iste Confessor (Conf. not Bishop) (another chant)Iste Confessor (Conf. not Bishop) (another chant)
  37. πŸ” 39% Christe caelorum habitator almeChriste caelorum habitator alme
  38. πŸ” 39% Iste Confessorum Domini (in Feriis sextis)Iste Confessorum Domini (in Feriis sextis)
  39. πŸ” 38% Gemma cΓ¦lestisGemma cΓ¦lestis
  40. πŸ” 38% Iste Confessor patriarchaIste Confessor patriarcha
  41. πŸ” 38% Candor aeternaeCandor aeternae
  42. πŸ” 38% Captator olim pisciumCaptator olim piscium
  43. πŸ” 38% Solis o VirgoSolis o Virgo
  44. πŸ” 38% Stans beata AgathaStans beata Agatha
  45. πŸ” 38% Legis sacrataeLegis sacratae
  46. πŸ” 38% Christe caelorum habitator almeChriste caelorum habitator alme
  47. πŸ” 38% Ave maris stellaAve maris stella
  48. πŸ” 38% Te Joseph celebrentTe Joseph celebrent
  49. πŸ” 37% Iste ConfessorIste Confessor
  50. πŸ” 37% Gaudium mundiGaudium mundi
  51. πŸ” 37% Sancte PauleSancte Paule
  52. πŸ” 37% Quid tuo nobisQuid tuo nobis
  53. πŸ” 37% Stans beata AgathaStans beata Agatha
  54. πŸ” 37% Salvator mundiSalvator mundi
  55. πŸ” 37% Angularis fundamentumAngularis fundamentum
  56. πŸ” 37% Trinitas summoTrinitas summo
  57. πŸ” 37% Alto ex Olympi verticeAlto ex Olympi vertice
  58. πŸ” 37% Angularis fundamentumAngularis fundamentum
  59. πŸ” 36% Angelus Domini astititAngelus Domini astitit
  60. πŸ” 36% Te IosephTe Ioseph
  61. πŸ” 36% Iste Confessor Domini [S Martini]Iste Confessor Domini [S Martini]
  62. πŸ” 36% Te Joseph celebrentTe Joseph celebrent
  63. πŸ” 36% Beata es Virgo Maria quae (Ant)Beata es Virgo Maria quae (Ant)
  64. πŸ” 36% Regina mundiRegina mundi
  65. πŸ” 36% Iam ChristusIam Christus