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