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 nuntiate fratribusIte nuntiate fratribus
  2. 🔍 71% Ite nuntiate fratribusIte nuntiate fratribus
  3. 🔍 68% Ite nuntiateIte nuntiate
  4. 🔍 67% Ite nuntiateIte nuntiate
  5. 🔍 51% AlleluiaAlleluia
  6. 🔍 49% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  7. 🔍 49% Alleluia (mode 8)Alleluia (mode 8)
  8. 🔍 48% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  9. 🔍 48% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  10. 🔍 48% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  11. 🔍 48% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  12. 🔍 48% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  13. 🔍 47% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  14. 🔍 47% Alleluia (mode 8)Alleluia (mode 8)
  15. 🔍 47% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  16. 🔍 46% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  17. 🔍 46% Alleluia (ant.)Alleluia (ant.)
  18. 🔍 46% Alleluia (ant.)Alleluia (ant.)
  19. 🔍 45% Alleluia Omnes GentesAlleluia Omnes Gentes
  20. 🔍 44% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  21. 🔍 43% Alleluia Lapis revolutusAlleluia Lapis revolutus
  22. 🔍 43% Puer natus in BethlehemPuer natus in Bethlehem
  23. 🔍 42% Omnes GentesOmnes Gentes
  24. 🔍 42% AlleluiaAlleluia
  25. 🔍 42% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  26. 🔍 40% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  27. 🔍 40% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  28. 🔍 40% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  29. 🔍 40% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  30. 🔍 39% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  31. 🔍 39% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  32. 🔍 39% Gustate et videteGustate et videte
  33. 🔍 39% Venite omnes adoremusVenite omnes adoremus
  34. 🔍 39% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  35. 🔍 39% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  36. 🔍 39% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  37. 🔍 39% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  38. 🔍 39% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  39. 🔍 38% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  40. 🔍 38% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  41. 🔍 38% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  42. 🔍 38% Alleluia. (Saturday P. T. at Lauds I)Alleluia. (Saturday P. T. at Lauds I)
  43. 🔍 38% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  44. 🔍 38% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  45. 🔍 37% Exsurgat DeusExsurgat Deus
  46. 🔍 37% Alleluia deduc meAlleluia deduc me
  47. 🔍 37% Alleluia alleluiaAlleluia alleluia
  48. 🔍 37% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  49. 🔍 37% Amplificatus est (T.P.)Amplificatus est (T.P.)
  50. 🔍 37% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  51. 🔍 37% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  52. 🔍 37% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  53. 🔍 37% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  54. 🔍 37% Bellabunt adversum te (T.P.)Bellabunt adversum te (T.P.)
  55. 🔍 37% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  56. 🔍 37% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  57. 🔍 37% Euntes in mundum alleluiaEuntes in mundum alleluia
  58. 🔍 37% Alleluia (Dominica ad Nonam)Alleluia (Dominica ad Nonam)
  59. 🔍 37% Si diligitis meSi diligitis me
  60. 🔍 37% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  61. 🔍 36% Alleluia. Dom. LaudAlleluia. Dom. Laud
  62. 🔍 36% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  63. 🔍 36% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  64. 🔍 36% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  65. 🔍 36% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)