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. ad Vesperas)Alleluia (T.P. ad Vesperas)
  2. 🔍 90% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  3. 🔍 89% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  4. 🔍 89% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  5. 🔍 89% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 89% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 88% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  8. 🔍 87% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  9. 🔍 87% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  10. 🔍 87% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  11. 🔍 86% AlleluiaAlleluia
  12. 🔍 84% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  13. 🔍 80% Alleluia (ant.)Alleluia (ant.)
  14. 🔍 80% Alleluia (ant.)Alleluia (ant.)
  15. 🔍 79% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  16. 🔍 79% Alleluia Lapis revolutusAlleluia Lapis revolutus
  17. 🔍 76% Puer natus in BethlehemPuer natus in Bethlehem
  18. 🔍 73% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  19. 🔍 73% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  20. 🔍 72% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  21. 🔍 72% Alleluia Omnes GentesAlleluia Omnes Gentes
  22. 🔍 72% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  23. 🔍 71% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  24. 🔍 70% Alleluia alleluiaAlleluia alleluia
  25. 🔍 70% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  26. 🔍 70% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  27. 🔍 70% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  28. 🔍 70% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  29. 🔍 69% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  30. 🔍 69% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  31. 🔍 69% Gustate et videteGustate et videte
  32. 🔍 69% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  33. 🔍 69% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  34. 🔍 69% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  35. 🔍 69% Omnes GentesOmnes Gentes
  36. 🔍 69% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  37. 🔍 68% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  38. 🔍 67% AlleluiaAlleluia
  39. 🔍 67% Alleluia. Dom. LaudAlleluia. Dom. Laud
  40. 🔍 67% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  41. 🔍 66% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  42. 🔍 66% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  43. 🔍 66% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  44. 🔍 66% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  45. 🔍 66% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  46. 🔍 66% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  47. 🔍 66% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  48. 🔍 65% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  49. 🔍 65% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  50. 🔍 64% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  51. 🔍 64% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  52. 🔍 64% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  53. 🔍 64% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  54. 🔍 64% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  55. 🔍 64% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  56. 🔍 64% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  57. 🔍 64% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  58. 🔍 64% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  59. 🔍 63% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  60. 🔍 63% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  61. 🔍 63% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  62. 🔍 63% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  63. 🔍 62% Alleluia (Feria tertia ad vesperas)Alleluia (Feria tertia ad vesperas)
  64. 🔍 62% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  65. 🔍 62% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)