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