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% Alleluia (ant.)Alleluia (ant.)
  2. 🔍 100% Alleluia (ant.)Alleluia (ant.)
  3. 🔍 85% Alleluia (mode 8)Alleluia (mode 8)
  4. 🔍 85% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  5. 🔍 84% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 84% AlleluiaAlleluia
  7. 🔍 82% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  8. 🔍 81% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  9. 🔍 80% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  10. 🔍 77% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  11. 🔍 76% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  12. 🔍 74% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  13. 🔍 72% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  14. 🔍 71% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  15. 🔍 71% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  16. 🔍 70% Alleluia Lapis revolutusAlleluia Lapis revolutus
  17. 🔍 69% Alleluia alleluiaAlleluia alleluia
  18. 🔍 69% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  19. 🔍 69% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  20. 🔍 69% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  21. 🔍 68% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  22. 🔍 68% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  23. 🔍 68% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  24. 🔍 67% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  25. 🔍 66% Puer natus in BethlehemPuer natus in Bethlehem
  26. 🔍 66% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  27. 🔍 65% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  28. 🔍 65% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  29. 🔍 65% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  30. 🔍 65% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  31. 🔍 65% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  32. 🔍 65% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  33. 🔍 65% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  34. 🔍 64% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  35. 🔍 64% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  36. 🔍 64% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  37. 🔍 64% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  38. 🔍 63% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  39. 🔍 63% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  40. 🔍 63% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  41. 🔍 63% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  42. 🔍 63% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  43. 🔍 63% Alleluia Omnes GentesAlleluia Omnes Gentes
  44. 🔍 63% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  45. 🔍 62% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  46. 🔍 62% AlleluiaAlleluia
  47. 🔍 62% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  48. 🔍 61% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  49. 🔍 61% Alleluia. Dom. LaudAlleluia. Dom. Laud
  50. 🔍 61% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  51. 🔍 60% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  52. 🔍 60% Gustate et videteGustate et videte
  53. 🔍 60% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  54. 🔍 60% Alleluia (ant Dom.a in albis)Alleluia (ant Dom.a in albis)
  55. 🔍 60% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  56. 🔍 60% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  57. 🔍 60% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  58. 🔍 60% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  59. 🔍 60% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  60. 🔍 59% Omnes GentesOmnes Gentes
  61. 🔍 59% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  62. 🔍 59% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  63. 🔍 59% AlleluiaAlleluia
  64. 🔍 59% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  65. 🔍 59% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)