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