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. in III nocturno)Alleluia (T.P. in III nocturno)
  2. 🔍 94% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  3. 🔍 93% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  4. 🔍 93% Alleluia (mode 8)Alleluia (mode 8)
  5. 🔍 91% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  6. 🔍 89% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 89% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  8. 🔍 87% AlleluiaAlleluia
  9. 🔍 85% Alleluia (ant.)Alleluia (ant.)
  10. 🔍 85% Alleluia (ant.)Alleluia (ant.)
  11. 🔍 82% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  12. 🔍 82% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  13. 🔍 81% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  14. 🔍 80% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  15. 🔍 80% Alleluia Lapis revolutusAlleluia Lapis revolutus
  16. 🔍 77% Puer natus in BethlehemPuer natus in Bethlehem
  17. 🔍 74% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  18. 🔍 74% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 73% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  20. 🔍 73% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  21. 🔍 73% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  22. 🔍 72% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  23. 🔍 72% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  24. 🔍 71% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  25. 🔍 71% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  26. 🔍 70% Omnes GentesOmnes Gentes
  27. 🔍 70% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  28. 🔍 70% Gustate et videteGustate et videte
  29. 🔍 70% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  30. 🔍 70% Alleluia alleluiaAlleluia alleluia
  31. 🔍 70% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  32. 🔍 70% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  33. 🔍 70% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  34. 🔍 69% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  35. 🔍 69% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  36. 🔍 69% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  37. 🔍 69% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  38. 🔍 69% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  39. 🔍 69% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  40. 🔍 69% AlleluiaAlleluia
  41. 🔍 69% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  42. 🔍 68% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  43. 🔍 68% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  44. 🔍 67% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  45. 🔍 67% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  46. 🔍 67% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  47. 🔍 67% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  48. 🔍 66% Alleluia. Dom. LaudAlleluia. Dom. Laud
  49. 🔍 66% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  50. 🔍 66% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  51. 🔍 66% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  52. 🔍 66% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  53. 🔍 66% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  54. 🔍 65% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  55. 🔍 65% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  56. 🔍 65% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  57. 🔍 65% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  58. 🔍 64% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  59. 🔍 64% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  60. 🔍 64% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  61. 🔍 64% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  62. 🔍 64% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  63. 🔍 64% AlleluiaAlleluia
  64. 🔍 64% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  65. 🔍 63% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)