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. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  2. 🔍 79% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  3. 🔍 78% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  4. 🔍 77% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  5. 🔍 69% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  6. 🔍 68% Alleluia. Dom. LaudAlleluia. Dom. Laud
  7. 🔍 68% Alleluia (mode 8)Alleluia (mode 8)
  8. 🔍 67% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  9. 🔍 66% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  10. 🔍 66% AlleluiaAlleluia
  11. 🔍 65% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 64% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  13. 🔍 64% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  14. 🔍 64% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  15. 🔍 62% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  16. 🔍 62% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  17. 🔍 62% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  18. 🔍 61% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  19. 🔍 61% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  20. 🔍 61% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  21. 🔍 61% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  22. 🔍 60% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  23. 🔍 60% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  24. 🔍 60% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  25. 🔍 60% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  26. 🔍 59% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  27. 🔍 59% Alleluia (ant.)Alleluia (ant.)
  28. 🔍 59% Alleluia (ant.)Alleluia (ant.)
  29. 🔍 59% Alleluia (T. P. Laud. Sabb.)Alleluia (T. P. Laud. Sabb.)
  30. 🔍 59% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  31. 🔍 59% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  32. 🔍 59% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  33. 🔍 58% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  34. 🔍 58% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  35. 🔍 57% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  36. 🔍 57% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  37. 🔍 57% AlleluiaAlleluia
  38. 🔍 56% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  39. 🔍 56% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  40. 🔍 56% Alleluia Lapis revolutusAlleluia Lapis revolutus
  41. 🔍 55% Alleluia alleluiaAlleluia alleluia
  42. 🔍 54% Alleluia. (Friday P. T. at Lauds)Alleluia. (Friday P. T. at Lauds)
  43. 🔍 54% Alleluia (T. P. Vesp. Fer. V.)Alleluia (T. P. Vesp. Fer. V.)
  44. 🔍 53% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  45. 🔍 53% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  46. 🔍 53% Alleluia LaudateAlleluia Laudate
  47. 🔍 53% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  48. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  49. 🔍 52% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  50. 🔍 52% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  51. 🔍 52% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  52. 🔍 52% Puer natus in BethlehemPuer natus in Bethlehem
  53. 🔍 51% Alleluia (T. P. Vesp. Fer. III.)Alleluia (T. P. Vesp. Fer. III.)
  54. 🔍 51% Alleluia Omnes GentesAlleluia Omnes Gentes
  55. 🔍 51% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  56. 🔍 50% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  57. 🔍 50% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  58. 🔍 50% Alleluia (A)Alleluia (A)
  59. 🔍 50% Alleluia (Complet. Dom. Resurr.)Alleluia (Complet. Dom. Resurr.)
  60. 🔍 50% Alleluia (T. P. Vesp. Sabb.)Alleluia (T. P. Vesp. Sabb.)
  61. 🔍 50% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  62. 🔍 50% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  63. 🔍 50% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  64. 🔍 49% Alleluia (T. P. Complet.)Alleluia (T. P. Complet.)
  65. 🔍 49% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)