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% Ite IVIte IV
  2. 🔍 51% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  3. 🔍 50% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  4. 🔍 50% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  5. 🔍 50% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 50% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  7. 🔍 49% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  8. 🔍 49% Alleluia (mode 8)Alleluia (mode 8)
  9. 🔍 48% Puer natus in BethlehemPuer natus in Bethlehem
  10. 🔍 47% AlleluiaAlleluia
  11. 🔍 46% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  12. 🔍 46% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  13. 🔍 46% Alleluia Lapis revolutusAlleluia Lapis revolutus
  14. 🔍 45% Omnes GentesOmnes Gentes
  15. 🔍 45% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  16. 🔍 45% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  17. 🔍 44% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  18. 🔍 44% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 44% Alleluia (ant.)Alleluia (ant.)
  20. 🔍 44% Alleluia (ant.)Alleluia (ant.)
  21. 🔍 43% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  22. 🔍 43% Ite IaIte Ia
  23. 🔍 41% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  24. 🔍 41% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  25. 🔍 41% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  26. 🔍 41% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  27. 🔍 41% Salus et gloria - mode IVSalus et gloria - mode IV
  28. 🔍 41% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  29. 🔍 41% Exsurgat DeusExsurgat Deus
  30. 🔍 40% Gustate et videteGustate et videte
  31. 🔍 40% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  32. 🔍 40% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  33. 🔍 40% Salus et gloriaSalus et gloria
  34. 🔍 39% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  35. 🔍 39% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  36. 🔍 39% Ite in pace alleluiaIte in pace alleluia
  37. 🔍 39% Ite I (forma ordinaria)Ite I (forma ordinaria)
  38. 🔍 39% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  39. 🔍 39% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  40. 🔍 39% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  41. 🔍 39% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  42. 🔍 39% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  43. 🔍 39% Salus et gloriaSalus et gloria
  44. 🔍 39% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  45. 🔍 39% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  46. 🔍 39% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  47. 🔍 38% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  48. 🔍 38% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  49. 🔍 38% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  50. 🔍 38% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  51. 🔍 38% Salus et gloriaSalus et gloria
  52. 🔍 38% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  53. 🔍 37% AlleluiaAlleluia
  54. 🔍 37% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  55. 🔍 37% Alleluia. Dom. LaudAlleluia. Dom. Laud
  56. 🔍 37% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  57. 🔍 37% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  58. 🔍 36% Alleluia alleluiaAlleluia alleluia
  59. 🔍 36% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  60. 🔍 36% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  61. 🔍 36% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  62. 🔍 36% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  63. 🔍 36% Ite in pace, alleluia (Ad Laudes)Ite in pace, alleluia (Ad Laudes)
  64. 🔍 36% Alleluia laudate DominumAlleluia laudate Dominum
  65. 🔍 36% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)