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 audiviAlleluia audivi
  2. 🔍 57% Alleluia audiviAlleluia audivi
  3. 🔍 51% Alleluia audiviAlleluia audivi
  4. 🔍 49% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  5. 🔍 48% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  6. 🔍 48% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 46% Alleluia (ant.)Alleluia (ant.)
  8. 🔍 46% Alleluia (ant.)Alleluia (ant.)
  9. 🔍 46% AlleluiaAlleluia
  10. 🔍 45% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  11. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 44% Alleluia Lapis revolutusAlleluia Lapis revolutus
  13. 🔍 44% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  14. 🔍 43% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  15. 🔍 43% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  16. 🔍 43% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  17. 🔍 42% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  18. 🔍 41% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 41% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  20. 🔍 41% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  21. 🔍 41% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  22. 🔍 41% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  23. 🔍 40% Omnes GentesOmnes Gentes
  24. 🔍 40% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  25. 🔍 39% Puer natus in BethlehemPuer natus in Bethlehem
  26. 🔍 39% AlleluiaAlleluia
  27. 🔍 39% Gustate et videteGustate et videte
  28. 🔍 39% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  29. 🔍 38% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  30. 🔍 38% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  31. 🔍 38% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  32. 🔍 38% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  33. 🔍 38% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  34. 🔍 38% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  35. 🔍 38% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  36. 🔍 38% Alleluia alleluiaAlleluia alleluia
  37. 🔍 38% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  38. 🔍 37% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  39. 🔍 37% Sedes tuaSedes tua
  40. 🔍 37% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  41. 🔍 37% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  42. 🔍 37% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  43. 🔍 36% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  44. 🔍 36% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  45. 🔍 36% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  46. 🔍 36% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  47. 🔍 36% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  48. 🔍 36% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  49. 🔍 36% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  50. 🔍 36% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  51. 🔍 36% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  52. 🔍 36% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  53. 🔍 36% Alleluia Deduc meAlleluia Deduc me
  54. 🔍 36% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  55. 🔍 36% Alleluia deduc meAlleluia deduc me
  56. 🔍 36% Salus et gloria - mode IVSalus et gloria - mode IV
  57. 🔍 36% AlleluiaAlleluia
  58. 🔍 35% Exsurgat DeusExsurgat Deus
  59. 🔍 35% Alleluia ! Fac cum servo tuoAlleluia ! Fac cum servo tuo
  60. 🔍 35% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  61. 🔍 35% Alleluia omnes de SabaAlleluia omnes de Saba
  62. 🔍 35% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  63. 🔍 35% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  64. 🔍 35% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  65. 🔍 34% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)