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% Oportebat pati ChristumOportebat pati Christum
  2. 🔍 66% Oportebat pati ChristumOportebat pati Christum
  3. 🔍 62% Oportebat pati ChristumOportebat pati Christum
  4. 🔍 58% Oportebat patiOportebat pati
  5. 🔍 55% Oportebat patiOportebat pati
  6. 🔍 27% Oportebat patiOportebat pati
  7. 🔍 25% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  8. 🔍 25% Nonne sic oportuitNonne sic oportuit
  9. 🔍 23% Ego sum viaEgo sum via
  10. 🔍 22% Obtulerunt discipuliObtulerunt discipuli
  11. 🔍 22% Veniet Dominus in potestateVeniet Dominus in potestate
  12. 🔍 22% Cognoverunt DominumCognoverunt Dominum
  13. 🔍 22% Pax vobis ego sumPax vobis ego sum
  14. 🔍 21% Oportebat pati ChristumOportebat pati Christum
  15. 🔍 21% Ostende nobis DomineOstende nobis Domine
  16. 🔍 21% Ne timeas Maria (In Annuntiatione)Ne timeas Maria (In Annuntiatione)
  17. 🔍 20% Nonne cor nostrumNonne cor nostrum
  18. 🔍 20% Christum Regem pro nobisChristum Regem pro nobis
  19. 🔍 20% Dixit mater eiusDixit mater eius
  20. 🔍 20% Salus et gloriaSalus et gloria
  21. 🔍 20% Et intravit cum illisEt intravit cum illis
  22. 🔍 20% Beatus venterBeatus venter
  23. 🔍 20% Isti sunt sermonesIsti sunt sermones
  24. 🔍 20% Ierusalem gaudeIerusalem gaude
  25. 🔍 20% Verbum supernum a PatreVerbum supernum a Patre
  26. 🔍 20% Redemisti nos DeoRedemisti nos Deo
  27. 🔍 20% Elevatis manibusElevatis manibus
  28. 🔍 20% Veni Sancte SpiritusVeni Sancte Spiritus
  29. 🔍 20% Alleluia Lapis revolutusAlleluia Lapis revolutus
  30. 🔍 19% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  31. 🔍 19% Aliis civitatibusAliis civitatibus
  32. 🔍 19% Christus resurgensChristus resurgens
  33. 🔍 19% Gloria in excelsis DeoGloria in excelsis Deo
  34. 🔍 19% Venit Filius hominisVenit Filius hominis
  35. 🔍 19% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  36. 🔍 19% CrucifixusCrucifixus
  37. 🔍 19% Alleluia (mode 8)Alleluia (mode 8)
  38. 🔍 19% Alleluia (mode 8)Alleluia (mode 8)
  39. 🔍 19% Nemini dixeritisNemini dixeritis
  40. 🔍 19% Spiritus Sanctus in teSpiritus Sanctus in te
  41. 🔍 19% Decantabat populusDecantabat populus
  42. 🔍 19% Victimae paschaliVictimae paschali
  43. 🔍 18% Regina caeli laetareRegina caeli laetare
  44. 🔍 18% Ante me non estAnte me non est
  45. 🔍 18% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  46. 🔍 18% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  47. 🔍 18% Spiritus SanctusSpiritus Sanctus
  48. 🔍 18% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  49. 🔍 18% Nonne sicNonne sic
  50. 🔍 18% Te CatharinaTe Catharina
  51. 🔍 18% Exortum est in tenebrisExortum est in tenebris
  52. 🔍 18% Ecce in nubibusEcce in nubibus
  53. 🔍 18% Salus et gloriaSalus et gloria
  54. 🔍 18% Venite et videteVenite et videte
  55. 🔍 18% Ite in pace alleluiaIte in pace alleluia
  56. 🔍 18% Exortum est ... alleluiaExortum est ... alleluia
  57. 🔍 18% Rex pacificusRex pacificus
  58. 🔍 18% Regnum tuumRegnum tuum
  59. 🔍 18% Alleluia audiviAlleluia audivi
  60. 🔍 18% Regina caeliRegina caeli
  61. 🔍 18% Christus peccataChristus peccata
  62. 🔍 18% Christum pastorumChristum pastorum
  63. 🔍 18% Repleti sunt omnesRepleti sunt omnes
  64. 🔍 18% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  65. 🔍 18% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)