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: 2025-12-20. 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 (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  2. 🔍 70% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  3. 🔍 66% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  4. 🔍 64% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  5. 🔍 63% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 63% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 62% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  8. 🔍 62% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  9. 🔍 61% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  10. 🔍 61% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 61% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  12. 🔍 60% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  13. 🔍 60% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  14. 🔍 60% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  15. 🔍 60% AlleluiaAlleluia
  16. 🔍 59% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  17. 🔍 58% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  18. 🔍 58% AlleluiaAlleluia
  19. 🔍 58% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  20. 🔍 57% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  21. 🔍 57% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  22. 🔍 57% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  23. 🔍 57% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  24. 🔍 56% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  25. 🔍 55% Alleluia (ant.)Alleluia (ant.)
  26. 🔍 55% Alleluia (ant.)Alleluia (ant.)
  27. 🔍 54% Alleluia Lapis revolutusAlleluia Lapis revolutus
  28. 🔍 53% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  29. 🔍 53% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  30. 🔍 52% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  31. 🔍 52% Alleluia (Monday P. T. at Lauds)Alleluia (Monday P. T. at Lauds)
  32. 🔍 52% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  33. 🔍 52% Puer natus in BethlehemPuer natus in Bethlehem
  34. 🔍 52% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  35. 🔍 51% Alleluia. (Thursday P. T. at Lauds I) Alleluia. (Thursday P. T. at Lauds I)
  36. 🔍 51% Alleluia (Feria tertia ad vesperas)Alleluia (Feria tertia ad vesperas)
  37. 🔍 51% Alleluia alleluiaAlleluia alleluia
  38. 🔍 51% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  39. 🔍 51% Alleluia. (Thursday P. T. at Lauds II) Alleluia. (Thursday P. T. at Lauds II)
  40. 🔍 51% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 51% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  42. 🔍 51% Alleluia (Friday P. T. at Vespers)Alleluia (Friday P. T. at Vespers)
  43. 🔍 50% Alleluia (Feria Secunda ad Tertiam T.P.)Alleluia (Feria Secunda ad Tertiam T.P.)
  44. 🔍 50% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  45. 🔍 50% Alleluia (Dominica ad Nonam)Alleluia (Dominica ad Nonam)
  46. 🔍 50% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  47. 🔍 50% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  48. 🔍 50% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  49. 🔍 50% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  50. 🔍 50% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  51. 🔍 50% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  52. 🔍 50% Alleluia Omnes GentesAlleluia Omnes Gentes
  53. 🔍 49% Alleluia. (Wednesday P. T. at Lauds II)Alleluia. (Wednesday P. T. at Lauds II)
  54. 🔍 49% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  55. 🔍 49% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  56. 🔍 49% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  57. 🔍 49% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  58. 🔍 49% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  59. 🔍 49% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  60. 🔍 49% Alleluia. (Wednesday P. T. at Lauds I)Alleluia. (Wednesday P. T. at Lauds I)
  61. 🔍 49% Alleluia (ant Dom.a in albis)Alleluia (ant Dom.a in albis)
  62. 🔍 49% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  63. 🔍 48% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  64. 🔍 48% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  65. 🔍 48% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)