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. cantica ad Vigilas Dom. per annum)Alleluia (Ant. cantica ad Vigilas Dom. per annum)
  2. 🔍 60% Alleluia (Dom. Tert.)Alleluia (Dom. Tert.)
  3. 🔍 55% AlleluiaAlleluia
  4. 🔍 55% Alleluia (mode 8)Alleluia (mode 8)
  5. 🔍 55% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 53% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  7. 🔍 53% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  8. 🔍 53% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  9. 🔍 52% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  10. 🔍 52% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 52% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  12. 🔍 52% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  13. 🔍 52% Alleluia (Ps 148-149-150)Alleluia (Ps 148-149-150)
  14. 🔍 51% Alleluia (ant.)Alleluia (ant.)
  15. 🔍 51% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 51% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  17. 🔍 51% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  18. 🔍 51% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  19. 🔍 51% Alleluia (Dom. Prim.)Alleluia (Dom. Prim.)
  20. 🔍 50% Alleluia (Dom. Sext.)Alleluia (Dom. Sext.)
  21. 🔍 50% Alleluia. Dom. LaudAlleluia. Dom. Laud
  22. 🔍 49% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  23. 🔍 49% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  24. 🔍 48% Alleluia alleluiaAlleluia alleluia
  25. 🔍 48% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  26. 🔍 47% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  27. 🔍 47% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  28. 🔍 47% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  29. 🔍 47% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  30. 🔍 47% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  31. 🔍 46% AlleluiaAlleluia
  32. 🔍 46% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  33. 🔍 46% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  34. 🔍 46% Alleluia Omnes GentesAlleluia Omnes Gentes
  35. 🔍 46% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  36. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  37. 🔍 45% Alleluia Lapis revolutusAlleluia Lapis revolutus
  38. 🔍 45% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  39. 🔍 45% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  40. 🔍 45% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 45% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  42. 🔍 45% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  43. 🔍 45% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  44. 🔍 44% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  45. 🔍 44% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  46. 🔍 44% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  47. 🔍 44% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  48. 🔍 44% Puer natus in BethlehemPuer natus in Bethlehem
  49. 🔍 44% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  50. 🔍 43% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  51. 🔍 43% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  52. 🔍 43% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  53. 🔍 43% Alleluia. (Wednesday P. T. at Lauds II)Alleluia. (Wednesday P. T. at Lauds II)
  54. 🔍 43% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  55. 🔍 43% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  56. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  57. 🔍 42% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  58. 🔍 42% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  59. 🔍 42% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  60. 🔍 42% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  61. 🔍 42% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  62. 🔍 42% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  63. 🔍 42% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  64. 🔍 42% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  65. 🔍 42% Alleluia (T. P. Vesp. Fer. V.)Alleluia (T. P. Vesp. Fer. V.)