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% Complacuisti (Simple)Complacuisti (Simple)
  2. 🔍 51% AlleluiaAlleluia
  3. 🔍 49% AlleluiaAlleluia
  4. 🔍 47% Alleluia (mode 8)Alleluia (mode 8)
  5. 🔍 46% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  6. 🔍 45% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 45% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  8. 🔍 45% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  9. 🔍 44% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  10. 🔍 44% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 44% Alleluia (ant.)Alleluia (ant.)
  12. 🔍 44% Alleluia (ant.)Alleluia (ant.)
  13. 🔍 43% AlleluiaAlleluia
  14. 🔍 43% AlleluiaAlleluia
  15. 🔍 43% Puer natus in BethlehemPuer natus in Bethlehem
  16. 🔍 42% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  17. 🔍 42% AlleluiaAlleluia
  18. 🔍 42% AlleluiaAlleluia
  19. 🔍 42% AlleluiaAlleluia
  20. 🔍 42% Alleluia Lapis revolutusAlleluia Lapis revolutus
  21. 🔍 42% Omnes GentesOmnes Gentes
  22. 🔍 41% Exsurgat DeusExsurgat Deus
  23. 🔍 41% AlleluiaAlleluia
  24. 🔍 41% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  25. 🔍 41% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  26. 🔍 41% AlleluiaAlleluia
  27. 🔍 40% Alleluia Omnes GentesAlleluia Omnes Gentes
  28. 🔍 40% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  29. 🔍 40% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  30. 🔍 39% Salus et gloriaSalus et gloria
  31. 🔍 39% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  32. 🔍 39% Alleluia ascendens ChristusAlleluia ascendens Christus
  33. 🔍 39% Alleluia alleluiaAlleluia alleluia
  34. 🔍 38% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  35. 🔍 37% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  36. 🔍 37% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  37. 🔍 37% Salus et gloria - mode IVSalus et gloria - mode IV
  38. 🔍 37% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  39. 🔍 37% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  40. 🔍 37% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  41. 🔍 37% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  42. 🔍 37% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  43. 🔍 37% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  44. 🔍 37% Salus et gloriaSalus et gloria
  45. 🔍 37% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  46. 🔍 37% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  47. 🔍 37% AlleluiaAlleluia
  48. 🔍 37% Gustate et videteGustate et videte
  49. 🔍 36% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  50. 🔍 36% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  51. 🔍 36% AlleluiaAlleluia
  52. 🔍 36% Gloria et honore...allel.Gloria et honore...allel.
  53. 🔍 36% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  54. 🔍 36% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  55. 🔍 36% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  56. 🔍 36% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  57. 🔍 36% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  58. 🔍 36% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  59. 🔍 36% AlleluiaAlleluia
  60. 🔍 36% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  61. 🔍 35% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  62. 🔍 35% Salus et gloriaSalus et gloria
  63. 🔍 35% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  64. 🔍 35% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  65. 🔍 35% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)