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 Laudes)Alleluia (T.P. ad Laudes)
  2. 🔍 92% Alleluia (mode 8)Alleluia (mode 8)
  3. 🔍 92% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  4. 🔍 91% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  5. 🔍 89% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  6. 🔍 89% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  7. 🔍 89% AlleluiaAlleluia
  8. 🔍 88% Alleluia (mode 8)Alleluia (mode 8)
  9. 🔍 84% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  10. 🔍 83% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  11. 🔍 83% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  12. 🔍 81% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  13. 🔍 81% Alleluia Lapis revolutusAlleluia Lapis revolutus
  14. 🔍 81% Alleluia (ant.)Alleluia (ant.)
  15. 🔍 81% Alleluia (ant.)Alleluia (ant.)
  16. 🔍 78% Puer natus in BethlehemPuer natus in Bethlehem
  17. 🔍 75% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  18. 🔍 74% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 74% Alleluia Dom. Compl. T.P. IAlleluia  Dom. Compl.  T.P.   I
  20. 🔍 74% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  21. 🔍 73% Alleluia Fer. V T.P. IAlleluia  Fer. V  T.P.  I
  22. 🔍 73% Alleluia Fer. II T.P. IAlleluia  Fer. II  T.P.  I
  23. 🔍 72% Alleluia Fer. VI T.P. IIAlleluia  Fer. VI  T.P.  II
  24. 🔍 72% Gustate et videteGustate et videte
  25. 🔍 71% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  26. 🔍 71% Alleluia Fer. IV T.P. IAlleluia  Fer. IV  T.P.  I
  27. 🔍 71% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  28. 🔍 71% Omnes GentesOmnes Gentes
  29. 🔍 70% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  30. 🔍 70% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  31. 🔍 70% Alleluia Fer. III T.P. IAlleluia  Fer. III  T.P.  I
  32. 🔍 70% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  33. 🔍 70% Alleluia Fer. VI T.P. IAlleluia  Fer. VI  T.P.  I
  34. 🔍 70% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  35. 🔍 70% Alleluia Fer. IV T.P. IIAlleluia  Fer. IV  T.P.  II
  36. 🔍 70% Alleluia Fer. II T.P. IIAlleluia  Fer. II  T.P.  II
  37. 🔍 70% Alleluia Fer. V T.P. IIAlleluia  Fer. V  T.P.  II
  38. 🔍 69% Alleluia Fer. III T.P. IIAlleluia  Fer. III  T.P.  II
  39. 🔍 69% Alleluia alleluiaAlleluia alleluia
  40. 🔍 69% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  41. 🔍 68% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  42. 🔍 68% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  43. 🔍 68% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  44. 🔍 68% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  45. 🔍 68% AlleluiaAlleluia
  46. 🔍 67% Alleluia Sabb. T.P. IAlleluia  Sabb.  T.P.  I
  47. 🔍 67% Alleluia. Dom. LaudAlleluia. Dom. Laud
  48. 🔍 67% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  49. 🔍 67% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  50. 🔍 66% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  51. 🔍 66% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  52. 🔍 66% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  53. 🔍 66% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  54. 🔍 66% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  55. 🔍 66% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  56. 🔍 66% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  57. 🔍 66% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  58. 🔍 64% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  59. 🔍 64% Alleluia Dom. Compl. T.P. IIAlleluia  Dom. Compl.  T.P.   II
  60. 🔍 64% Alleluia Dom. Prim. T.P.Alleluia  Dom. Prim.  T.P.
  61. 🔍 64% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  62. 🔍 64% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  63. 🔍 64% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  64. 🔍 64% Alleluia (in feriis ad Tertiam TP)Alleluia (in feriis ad Tertiam TP)
  65. 🔍 64% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert.  T.P.)