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. Sab. ad L.)Alleluia (T.P. Sab. ad L.)
  2. 🔍 68% Alleluia (T.P. F. II ad O.L.)Alleluia (T.P. F. II ad O.L.)
  3. 🔍 60% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  4. 🔍 58% Alleluia (mode 8)Alleluia (mode 8)
  5. 🔍 57% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 56% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  7. 🔍 56% AlleluiaAlleluia
  8. 🔍 55% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  9. 🔍 55% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  10. 🔍 54% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  11. 🔍 54% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  12. 🔍 54% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  13. 🔍 51% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  14. 🔍 50% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  15. 🔍 50% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 50% Alleluia (ant.)Alleluia (ant.)
  17. 🔍 49% Alleluia alleluiaAlleluia alleluia
  18. 🔍 48% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  19. 🔍 48% Alleluia Lapis revolutusAlleluia Lapis revolutus
  20. 🔍 47% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  21. 🔍 47% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  22. 🔍 47% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  23. 🔍 47% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  24. 🔍 47% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  25. 🔍 47% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  26. 🔍 46% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  27. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  28. 🔍 46% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  29. 🔍 46% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  30. 🔍 45% Puer natus in BethlehemPuer natus in Bethlehem
  31. 🔍 45% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  32. 🔍 45% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  33. 🔍 45% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  34. 🔍 45% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  35. 🔍 44% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  36. 🔍 44% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  37. 🔍 44% AlleluiaAlleluia
  38. 🔍 44% Alleluia Omnes GentesAlleluia Omnes Gentes
  39. 🔍 44% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  40. 🔍 44% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  41. 🔍 44% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  42. 🔍 44% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  43. 🔍 43% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  44. 🔍 43% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  45. 🔍 43% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  46. 🔍 43% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  47. 🔍 43% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  48. 🔍 43% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  49. 🔍 43% Alleluia. Dom. LaudAlleluia. Dom. Laud
  50. 🔍 43% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  51. 🔍 42% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  52. 🔍 42% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  53. 🔍 42% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  54. 🔍 42% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  55. 🔍 42% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  56. 🔍 42% Omnes GentesOmnes Gentes
  57. 🔍 41% AlleluiaAlleluia
  58. 🔍 41% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  59. 🔍 41% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  60. 🔍 41% Gustate et videteGustate et videte
  61. 🔍 41% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  62. 🔍 41% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  63. 🔍 41% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  64. 🔍 41% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  65. 🔍 41% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)