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 (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  2. 🔍 66% Alleluia (mode 8)Alleluia (mode 8)
  3. 🔍 64% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  4. 🔍 64% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  5. 🔍 63% Alleluia (mode 8)Alleluia (mode 8)
  6. 🔍 62% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  7. 🔍 62% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  8. 🔍 61% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  9. 🔍 61% AlleluiaAlleluia
  10. 🔍 60% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  11. 🔍 60% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  12. 🔍 60% Alleluia (ant.)Alleluia (ant.)
  13. 🔍 60% Alleluia (ant.)Alleluia (ant.)
  14. 🔍 59% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  15. 🔍 59% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  16. 🔍 58% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  17. 🔍 58% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  18. 🔍 57% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  19. 🔍 56% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  20. 🔍 56% Alleluia (Dominica ad Nonam)Alleluia (Dominica ad Nonam)
  21. 🔍 56% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  22. 🔍 56% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  23. 🔍 55% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  24. 🔍 55% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  25. 🔍 55% Alleluia. (Sund. P. T. at None)Alleluia. (Sund. P. T. at None)
  26. 🔍 55% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  27. 🔍 55% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  28. 🔍 55% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  29. 🔍 54% Alleluia Fer. II T.P. IAlleluia  Fer. II  T.P.  I
  30. 🔍 54% Alleluia Fer. VI T.P. IIAlleluia  Fer. VI  T.P.  II
  31. 🔍 54% Alleluia Lapis revolutusAlleluia Lapis revolutus
  32. 🔍 54% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  33. 🔍 54% Alleluia Fer. IV T.P. IAlleluia  Fer. IV  T.P.  I
  34. 🔍 54% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  35. 🔍 53% Alleluia Fer. III T.P. IAlleluia  Fer. III  T.P.  I
  36. 🔍 53% Alleluia Fer. V T.P. IAlleluia  Fer. V  T.P.  I
  37. 🔍 53% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  38. 🔍 53% Alleluia Fer. IV T.P. IIAlleluia  Fer. IV  T.P.  II
  39. 🔍 53% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  40. 🔍 53% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  41. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  42. 🔍 52% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  43. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  44. 🔍 52% Alleluia alleluiaAlleluia alleluia
  45. 🔍 51% Alleluia Fer. III T.P. IIAlleluia  Fer. III  T.P.  II
  46. 🔍 51% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  47. 🔍 51% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  48. 🔍 51% Alleluia Dom. Compl. T.P. IAlleluia  Dom. Compl.  T.P.   I
  49. 🔍 51% Alleluia (Monday P. T. at Lauds)Alleluia (Monday P. T. at Lauds)
  50. 🔍 51% Puer natus in BethlehemPuer natus in Bethlehem
  51. 🔍 50% Alleluia Fer. V T.P. IIAlleluia  Fer. V  T.P.  II
  52. 🔍 50% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  53. 🔍 50% Alleluia Fer. II T.P. IIAlleluia  Fer. II  T.P.  II
  54. 🔍 50% Alleluia (T. P. Vesp. Dom.)Alleluia (T. P. Vesp. Dom.)
  55. 🔍 50% Alleluia Fer. VI T.P. IAlleluia  Fer. VI  T.P.  I
  56. 🔍 50% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  57. 🔍 49% Alleluia LaudateAlleluia Laudate
  58. 🔍 49% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  59. 🔍 49% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  60. 🔍 49% Alleluia Omnes GentesAlleluia Omnes Gentes
  61. 🔍 48% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  62. 🔍 48% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  63. 🔍 48% Alleluia Sabb. T.P. IAlleluia  Sabb.  T.P.  I
  64. 🔍 48% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  65. 🔍 48% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)