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 alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  2. 🔍 90% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  3. 🔍 89% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  4. 🔍 86% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  5. 🔍 83% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  6. 🔍 78% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 77% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  8. 🔍 76% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  9. 🔍 75% Alleluia alleluiaAlleluia alleluia
  10. 🔍 74% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 74% AlleluiaAlleluia
  12. 🔍 71% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  13. 🔍 70% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  14. 🔍 69% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  15. 🔍 69% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  16. 🔍 68% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  17. 🔍 68% Alleluia (ant.)Alleluia (ant.)
  18. 🔍 68% Alleluia (ant.)Alleluia (ant.)
  19. 🔍 67% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  20. 🔍 66% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  21. 🔍 66% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  22. 🔍 64% Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)
  23. 🔍 64% AlleluiaAlleluia
  24. 🔍 64% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  25. 🔍 63% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  26. 🔍 63% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  27. 🔍 62% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  28. 🔍 61% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  29. 🔍 61% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  30. 🔍 61% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  31. 🔍 61% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  32. 🔍 60% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  33. 🔍 60% AlleluiaAlleluia
  34. 🔍 60% Alleluia (Dominica ad Nonam)Alleluia (Dominica ad Nonam)
  35. 🔍 60% Alleluia alleluia alleluia (Sabbato T.P. in I Nocturno)Alleluia alleluia alleluia (Sabbato T.P. in I Nocturno)
  36. 🔍 60% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  37. 🔍 60% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  38. 🔍 60% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  39. 🔍 60% Alleluia Lapis revolutusAlleluia Lapis revolutus
  40. 🔍 59% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  41. 🔍 59% Alleluia alleluia alleluiaAlleluia alleluia alleluia
  42. 🔍 59% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  43. 🔍 59% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  44. 🔍 59% Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)
  45. 🔍 59% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  46. 🔍 58% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  47. 🔍 58% Alleluia LaudateAlleluia Laudate
  48. 🔍 58% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  49. 🔍 58% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  50. 🔍 58% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  51. 🔍 58% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  52. 🔍 57% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  53. 🔍 57% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  54. 🔍 57% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  55. 🔍 56% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  56. 🔍 56% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  57. 🔍 56% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  58. 🔍 56% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  59. 🔍 56% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  60. 🔍 56% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  61. 🔍 56% Alleluia. Dom. LaudAlleluia. Dom. Laud
  62. 🔍 55% Alleluia alleluia alleluia (Tertia T.P. in III Nocturno)Alleluia alleluia alleluia (Tertia T.P. in III Nocturno)
  63. 🔍 55% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  64. 🔍 55% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  65. 🔍 55% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)