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: 2025-12-19. 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 🔍 to find similarities to the given chant.

  1. 🔍 100% Occurrunt turbaeOccurrunt turbae
  2. 🔍 82% Occurrunt turbaeOccurrunt turbae
  3. 🔍 66% Occurunt turbaeOccurunt turbae
  4. 🔍 25% Aeterne Rex altissimeAeterne Rex altissime
  5. 🔍 25% Dignus est AgnusDignus est Agnus
  6. 🔍 24% Veni Redemptor gentiumVeni Redemptor gentium
  7. 🔍 24% Cum angelisCum angelis
  8. 🔍 23% Deus tuorum militumDeus tuorum militum
  9. 🔍 23% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  10. 🔍 23% Fulgentibus palmisFulgentibus palmis
  11. 🔍 23% Credo VIICredo VII
  12. 🔍 23% Salvete Christi vulneraSalvete Christi vulnera
  13. 🔍 23% Dignus est AgnusDignus est Agnus
  14. 🔍 23% Dignus est AgnusDignus est Agnus
  15. 🔍 23% Dignus est AgnusDignus est Agnus
  16. 🔍 23% Verbum supernumVerbum supernum
  17. 🔍 22% Maria quae mortaliumMaria quae mortalium
  18. 🔍 22% Intret in conspectuIntret in conspectu
  19. 🔍 22% Hostis HerodesHostis Herodes
  20. 🔍 22% Deus tuorum militumDeus tuorum militum
  21. 🔍 22% Ecce VirgoEcce Virgo
  22. 🔍 22% Te gestientem gaudiisTe gestientem gaudiis
  23. 🔍 22% Coeperunt omnes turbaeCoeperunt omnes turbae
  24. 🔍 22% Ad cenamAd cenam
  25. 🔍 22% Vidi aquam (B)Vidi aquam (B)
  26. 🔍 22% Aeterne Rex altissimeAeterne Rex altissime
  27. 🔍 22% Ad regias Agni dapesAd regias Agni dapes
  28. 🔍 22% Deus misereaturDeus misereatur
  29. 🔍 22% O gloriosa DominaO gloriosa Domina
  30. 🔍 22% Redemisti nos Domine (Intr)Redemisti nos Domine (Intr)
  31. 🔍 22% O gloriosa DominaO gloriosa Domina
  32. 🔍 22% Spiritus Domini sine AlleluiaSpiritus Domini sine Alleluia
  33. 🔍 21% Ad te levaviAd te levavi
  34. 🔍 21% Deus tuorum militumDeus tuorum militum
  35. 🔍 21% Rector potens (In Festis BMV)Rector potens (In Festis BMV)
  36. 🔍 21% Vidi aquamVidi aquam
  37. 🔍 21% Ad regias Agni dapesAd regias Agni dapes
  38. 🔍 21% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  39. 🔍 21% CustodivitCustodivit
  40. 🔍 21% Praeclara custos VirginumPraeclara custos Virginum
  41. 🔍 21% Hodie caelestiHodie caelesti
  42. 🔍 21% O prima Virgo proditaO prima Virgo prodita
  43. 🔍 21% Gentis PolonaeGentis Polonae
  44. 🔍 21% O virgo mater filiaO virgo mater filia
  45. 🔍 21% Iste Confessor (Conf. Bishop) (another chant) (2)Iste Confessor (Conf. Bishop) (another chant) (2)
  46. 🔍 21% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  47. 🔍 21% Deus tuorum militumDeus tuorum militum
  48. 🔍 21% Christo confixus sumChristo confixus sum
  49. 🔍 21% Fit porta ChristiFit porta Christi
  50. 🔍 21% Deus tuorum militumDeus tuorum militum
  51. 🔍 21% Iste Confessor (Conf. not Bishop)Iste Confessor (Conf. not Bishop)
  52. 🔍 21% A solis ortusA solis ortus
  53. 🔍 21% Maria virgo regiaMaria virgo regia
  54. 🔍 21% Crudelis Herodes DeumCrudelis Herodes Deum
  55. 🔍 21% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  56. 🔍 21% Aurora soli praeviaAurora soli praevia
  57. 🔍 21% Occurrunt turbaeOccurrunt turbae
  58. 🔍 21% O gloriosa virginumO gloriosa virginum
  59. 🔍 21% Fortem virili pectoreFortem virili pectore
  60. 🔍 20% O gloriosa VirginumO gloriosa Virginum
  61. 🔍 20% O gloriosa VirginumO gloriosa Virginum
  62. 🔍 20% Quem terra pontus aetheraQuem terra pontus aethera
  63. 🔍 20% O gloriosa DominaO gloriosa Domina
  64. 🔍 20% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  65. 🔍 20% Sapientia reddiditSapientia reddidit