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