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% AlleluiaAlleluia
  2. 🔍 64% AlleluiaAlleluia
  3. 🔍 50% AlleluiaAlleluia
  4. 🔍 48% AlleluiaAlleluia
  5. 🔍 47% AlleluiaAlleluia
  6. 🔍 46% AlleluiaAlleluia
  7. 🔍 45% AlleluiaAlleluia
  8. 🔍 45% AlleluiaAlleluia
  9. 🔍 45% Alleluia (mode 8)Alleluia (mode 8)
  10. 🔍 44% AlleluiaAlleluia
  11. 🔍 44% AlleluiaAlleluia
  12. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  13. 🔍 44% AlleluiaAlleluia
  14. 🔍 43% AlleluiaAlleluia
  15. 🔍 42% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  16. 🔍 42% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  17. 🔍 41% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  18. 🔍 41% Complacuisti (Simple)Complacuisti (Simple)
  19. 🔍 41% AlleluiaAlleluia
  20. 🔍 41% Alleluia (ant.)Alleluia (ant.)
  21. 🔍 41% Alleluia (ant.)Alleluia (ant.)
  22. 🔍 41% Alleluia alleluiaAlleluia alleluia
  23. 🔍 40% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  24. 🔍 40% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  25. 🔍 40% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  26. 🔍 40% Psalmus 97Psalmus 97
  27. 🔍 40% Puer natus in BethlehemPuer natus in Bethlehem
  28. 🔍 40% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  29. 🔍 40% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  30. 🔍 39% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  31. 🔍 39% AlleluiaAlleluia
  32. 🔍 39% AlleluiaAlleluia
  33. 🔍 39% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  34. 🔍 39% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  35. 🔍 39% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  36. 🔍 39% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  37. 🔍 39% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  38. 🔍 38% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  39. 🔍 38% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  40. 🔍 38% Salus et gloriaSalus et gloria
  41. 🔍 38% Psalmus 118Psalmus 118
  42. 🔍 38% Alleluia Lapis revolutusAlleluia Lapis revolutus
  43. 🔍 37% Exsurgat DeusExsurgat Deus
  44. 🔍 37% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  45. 🔍 37% AlleluiaAlleluia
  46. 🔍 37% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  47. 🔍 37% Canticum B. Mariae V.Canticum B. Mariae V.
  48. 🔍 36% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  49. 🔍 36% Salus et gloriaSalus et gloria
  50. 🔍 36% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  51. 🔍 36% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  52. 🔍 36% Psalmus 18 APsalmus 18 A
  53. 🔍 36% Alleluia confiteminiAlleluia confitemini
  54. 🔍 36% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  55. 🔍 36% Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)
  56. 🔍 35% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  57. 🔍 35% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  58. 🔍 35% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  59. 🔍 35% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  60. 🔍 35% Omnes GentesOmnes Gentes
  61. 🔍 35% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  62. 🔍 35% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  63. 🔍 35% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  64. 🔍 35% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  65. 🔍 34% Salus et gloria - mode IVSalus et gloria - mode IV