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% Notum fecit DominusNotum fecit Dominus
  2. 🔍 42% Repleti suntRepleti sunt
  3. 🔍 41% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  4. 🔍 41% Notum fecitNotum fecit
  5. 🔍 41% Solemnitas est hodie sancti JosephSolemnitas est hodie sancti Joseph
  6. 🔍 40% Ora pro nobis sancte JosephOra pro nobis sancte Joseph
  7. 🔍 40% Notum fecit DominusNotum fecit Dominus
  8. 🔍 35% Notum fecit Dominus salutareNotum fecit Dominus salutare
  9. 🔍 34% Justum deduxit DominusJustum deduxit Dominus
  10. 🔍 34% Notum fecit DominusNotum fecit Dominus
  11. 🔍 33% Hæc diesHæc dies
  12. 🔍 32% Sancti et justi (versiculus solemnis)Sancti et justi (versiculus solemnis)
  13. 🔍 32% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  14. 🔍 30% Notum fecit Dominus alleluiaNotum fecit Dominus alleluia
  15. 🔍 29% Alleluia Lapis revolutusAlleluia Lapis revolutus
  16. 🔍 28% Amavit eum Dominus (V/. sol.) T.P.Amavit eum Dominus (V/. sol.) T.P.
  17. 🔍 28% Quae estQuae est
  18. 🔍 28% Pretiosa in conspectu Domini (versiculus solemnis)Pretiosa in conspectu Domini (versiculus solemnis)
  19. 🔍 28% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  20. 🔍 28% Alleluia (mode 8)Alleluia (mode 8)
  21. 🔍 27% Alleluia alleluiaAlleluia alleluia
  22. 🔍 26% Gloria et honore (versus solemnior)Gloria et honore (versus solemnior)
  23. 🔍 26% Ascendit DeusAscendit Deus
  24. 🔍 26% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  25. 🔍 26% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  26. 🔍 26% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  27. 🔍 25% Gustate et videteGustate et videte
  28. 🔍 25% Notum fecitNotum fecit
  29. 🔍 25% Exaltata est sancta D. G. (vers. sol.)Exaltata est sancta D. G. (vers. sol.)
  30. 🔍 25% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  31. 🔍 25% AlleluiaAlleluia
  32. 🔍 25% Gloriosus apparuisti (vers. sol.)Gloriosus apparuisti (vers. sol.)
  33. 🔍 24% Ecce tuEcce tu
  34. 🔍 24% Cantemus cuncti melodumCantemus cuncti melodum
  35. 🔍 24% Alleluia (mode 8)Alleluia (mode 8)
  36. 🔍 24% Alleluia Omnes GentesAlleluia Omnes Gentes
  37. 🔍 24% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  38. 🔍 24% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  39. 🔍 24% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  40. 🔍 24% Puer natus in BethlehemPuer natus in Bethlehem
  41. 🔍 23% Dextera Domini fecitDextera Domini fecit
  42. 🔍 23% Omnes GentesOmnes Gentes
  43. 🔍 23% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  44. 🔍 23% Alleluia (ant.)Alleluia (ant.)
  45. 🔍 23% Alleluia (ant.)Alleluia (ant.)
  46. 🔍 23% Tollite jugum meum super vos (V/. soll.)Tollite jugum meum super vos (V/. soll.)
  47. 🔍 23% Dextera Domini fecitDextera Domini fecit
  48. 🔍 23% Fecit nos DeoFecit nos Deo
  49. 🔍 23% Amavit eum (verse sol.)Amavit eum (verse sol.)
  50. 🔍 22% Benedicamus Domino AlleluiaBenedicamus Domino Alleluia
  51. 🔍 22% Alleluia (T. P. Laud. Sabb.)Alleluia (T. P. Laud. Sabb.)
  52. 🔍 22% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  53. 🔍 22% Fulget in caelisFulget in caelis
  54. 🔍 22% Pax VobisPax Vobis
  55. 🔍 22% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  56. 🔍 22% Notum fecit DominusNotum fecit Dominus
  57. 🔍 22% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  58. 🔍 22% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  59. 🔍 22% Venite exsultemus IIVenite exsultemus II
  60. 🔍 21% Alleluia ! Fac cum servo tuoAlleluia ! Fac cum servo tuo
  61. 🔍 21% Notum fecit Dominus opusNotum fecit Dominus opus
  62. 🔍 21% Alleluia. (Friday P. T. at Lauds I) Alleluia. (Friday P. T. at Lauds I)
  63. 🔍 21% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  64. 🔍 21% Benedicamus Domino (Sabbato ante Septuagesimam)Benedicamus Domino (Sabbato ante Septuagesimam)
  65. 🔍 21% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)