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. ad Tertiam)Alleluia (T.P. ad Tertiam)
  2. 🔍 87% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  3. 🔍 85% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  4. 🔍 84% Alleluia (mode 8)Alleluia (mode 8)
  5. 🔍 83% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  6. 🔍 82% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  7. 🔍 81% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  8. 🔍 81% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  9. 🔍 81% Alleluia (mode 8)Alleluia (mode 8)
  10. 🔍 79% AlleluiaAlleluia
  11. 🔍 78% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  12. 🔍 75% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  13. 🔍 74% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  14. 🔍 73% Alleluia Lapis revolutusAlleluia Lapis revolutus
  15. 🔍 73% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  16. 🔍 72% Alleluia (ant.)Alleluia (ant.)
  17. 🔍 72% Alleluia (ant.)Alleluia (ant.)
  18. 🔍 71% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  19. 🔍 70% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  20. 🔍 70% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  21. 🔍 70% Puer natus in BethlehemPuer natus in Bethlehem
  22. 🔍 69% Alleluia Omnes GentesAlleluia Omnes Gentes
  23. 🔍 68% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  24. 🔍 67% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  25. 🔍 67% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  26. 🔍 66% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  27. 🔍 66% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  28. 🔍 66% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  29. 🔍 66% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  30. 🔍 65% Omnes GentesOmnes Gentes
  31. 🔍 65% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  32. 🔍 65% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  33. 🔍 65% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  34. 🔍 65% Gustate et videteGustate et videte
  35. 🔍 65% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  36. 🔍 64% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  37. 🔍 64% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  38. 🔍 64% Alleluia alleluiaAlleluia alleluia
  39. 🔍 63% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  40. 🔍 63% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  41. 🔍 63% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  42. 🔍 63% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  43. 🔍 63% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  44. 🔍 63% Alleluia. Dom. LaudAlleluia. Dom. Laud
  45. 🔍 63% AlleluiaAlleluia
  46. 🔍 62% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  47. 🔍 61% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  48. 🔍 61% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  49. 🔍 61% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  50. 🔍 61% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  51. 🔍 60% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  52. 🔍 60% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  53. 🔍 60% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  54. 🔍 60% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  55. 🔍 60% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  56. 🔍 60% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  57. 🔍 60% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  58. 🔍 60% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  59. 🔍 60% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  60. 🔍 60% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  61. 🔍 59% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  62. 🔍 59% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  63. 🔍 59% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  64. 🔍 58% Alleluia (Feria Secunda ad Tertiam T.P.)Alleluia (Feria Secunda ad Tertiam T.P.)
  65. 🔍 58% AlleluiaAlleluia