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 (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  2. 🔍 75% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  3. 🔍 71% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  4. 🔍 71% Alleluia. (Sund. P. T. at Lauds)Alleluia. (Sund. P. T. at Lauds)
  5. 🔍 70% Alleluia (Wednesday P. T. at Lauds)Alleluia (Wednesday P. T. at Lauds)
  6. 🔍 68% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  7. 🔍 68% Alleluia. (Friday P. T. at Lauds)Alleluia. (Friday P. T. at Lauds)
  8. 🔍 66% Alleluia. (Sat. P. T. at Lauds)Alleluia. (Sat. P. T. at Lauds)
  9. 🔍 64% Alleluia (mode 8)Alleluia (mode 8)
  10. 🔍 64% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 63% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  12. 🔍 63% AlleluiaAlleluia
  13. 🔍 63% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  14. 🔍 62% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  15. 🔍 62% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  16. 🔍 61% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  17. 🔍 61% Alleluia (Monday P. T. at Lauds)Alleluia (Monday P. T. at Lauds)
  18. 🔍 61% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  19. 🔍 60% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  20. 🔍 59% Alleluia. (Thursday P. T. at Lauds II) Alleluia. (Thursday P. T. at Lauds II)
  21. 🔍 58% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  22. 🔍 57% Alleluia. (Wednesday P. T. at Lauds II)Alleluia. (Wednesday P. T. at Lauds II)
  23. 🔍 57% Alleluia. (Saturday P. T. at Lauds II)Alleluia. (Saturday P. T. at Lauds II)
  24. 🔍 57% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  25. 🔍 57% Alleluia. (Wednesday P. T. at Lauds I)Alleluia. (Wednesday P. T. at Lauds I)
  26. 🔍 57% Alleluia. (Tuesday P. T. at Compline)Alleluia. (Tuesday P. T. at Compline)
  27. 🔍 57% Alleluia. (Saturday P. T. at Lauds I)Alleluia. (Saturday P. T. at Lauds I)
  28. 🔍 57% Alleluia (ant.)Alleluia (ant.)
  29. 🔍 57% Alleluia (ant.)Alleluia (ant.)
  30. 🔍 56% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  31. 🔍 55% Alleluia. (Thursday P. T. at Lauds I) Alleluia. (Thursday P. T. at Lauds I)
  32. 🔍 55% Alleluia alleluiaAlleluia alleluia
  33. 🔍 54% Alleluia. (Friday P. T. at Lauds I) Alleluia. (Friday P. T. at Lauds I)
  34. 🔍 54% Alleluia Lapis revolutusAlleluia Lapis revolutus
  35. 🔍 53% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  36. 🔍 53% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  37. 🔍 53% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  38. 🔍 53% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  39. 🔍 53% Alleluia. (Friday P. T. at Lauds II) Alleluia. (Friday P. T. at Lauds II)
  40. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  41. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  42. 🔍 52% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  43. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  44. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  45. 🔍 51% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  46. 🔍 51% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  47. 🔍 51% Puer natus in BethlehemPuer natus in Bethlehem
  48. 🔍 51% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  49. 🔍 51% AlleluiaAlleluia
  50. 🔍 51% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  51. 🔍 50% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  52. 🔍 50% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  53. 🔍 50% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  54. 🔍 50% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  55. 🔍 50% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  56. 🔍 50% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  57. 🔍 49% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  58. 🔍 49% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  59. 🔍 49% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  60. 🔍 49% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  61. 🔍 49% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  62. 🔍 49% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  63. 🔍 49% Alleluia Omnes GentesAlleluia Omnes Gentes
  64. 🔍 48% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  65. 🔍 48% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)