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