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 (ad introitum mode 5)Alleluia (ad introitum mode 5)
  2. 🔍 76% Alleluia (ad introitum mode 4)Alleluia (ad introitum mode 4)
  3. 🔍 75% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  4. 🔍 74% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  5. 🔍 72% Alleluia (ad introitum mode 6)Alleluia (ad introitum mode 6)
  6. 🔍 71% Alleluia (ad introitum mode 7)Alleluia (ad introitum mode 7)
  7. 🔍 71% Alleluia (ad introitum mode 2)Alleluia (ad introitum mode 2)
  8. 🔍 53% Alleluia (ad communionem mode 5)Alleluia (ad communionem mode 5)
  9. 🔍 52% Alleluia (ad introitum mode 1)Alleluia (ad introitum mode 1)
  10. 🔍 51% Alleluia (ad communionem mode 1)Alleluia (ad communionem mode 1)
  11. 🔍 51% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  12. 🔍 50% Alleluia (ad communionem mode 3)Alleluia (ad communionem mode 3)
  13. 🔍 49% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  14. 🔍 48% Alleluia (ad communionem mode 2)Alleluia (ad communionem mode 2)
  15. 🔍 48% Alleluia (ad communionem mode 8)Alleluia (ad communionem mode 8)
  16. 🔍 48% Alleluia (ad communionem mode 6)Alleluia (ad communionem mode 6)
  17. 🔍 46% Alleluia (ad offertorium mode 4)Alleluia (ad offertorium mode 4)
  18. 🔍 43% Alleluia (ad offertorium mode 5)Alleluia (ad offertorium mode 5)
  19. 🔍 42% Alleluia (ad communionem mode 7)Alleluia (ad communionem mode 7)
  20. 🔍 37% Alleluia (mode 8)Alleluia (mode 8)
  21. 🔍 37% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  22. 🔍 37% Alleluia (ad offertorium mode 1)Alleluia (ad offertorium mode 1)
  23. 🔍 36% AlleluiaAlleluia
  24. 🔍 35% Alleluia (mode 8)Alleluia (mode 8)
  25. 🔍 35% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  26. 🔍 34% Alleluia (Feria tertia ad vesperas)Alleluia (Feria tertia ad vesperas)
  27. 🔍 34% Virgines laudentVirgines laudent
  28. 🔍 34% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  29. 🔍 34% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  30. 🔍 34% Alleluia (modi communes post officium - I)Alleluia (modi communes post officium - I)
  31. 🔍 33% Cantemus DominoCantemus Domino
  32. 🔍 33% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  33. 🔍 33% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  34. 🔍 33% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  35. 🔍 33% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  36. 🔍 33% Alleluia (ad offertorium mode 7) Alleluia (ad offertorium mode 7)
  37. 🔍 33% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  38. 🔍 33% Alleluia (A)Alleluia (A)
  39. 🔍 33% Alleluia (ant.)Alleluia (ant.)
  40. 🔍 33% Alleluia (ant.)Alleluia (ant.)
  41. 🔍 33% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  42. 🔍 32% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  43. 🔍 32% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  44. 🔍 32% Cogitationes Cordis cum AlleluiaCogitationes Cordis cum Alleluia
  45. 🔍 32% Adeamus. Ps. EructavitAdeamus. Ps. Eructavit
  46. 🔍 32% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  47. 🔍 32% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  48. 🔍 32% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  49. 🔍 32% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  50. 🔍 32% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  51. 🔍 32% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  52. 🔍 32% Alleluia (modi communes post offertorium - I)Alleluia (modi communes post offertorium - I)
  53. 🔍 32% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  54. 🔍 32% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  55. 🔍 31% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  56. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  57. 🔍 31% Alleluia (ant. mode I)Alleluia (ant. mode I)
  58. 🔍 31% Alleluia alleluiaAlleluia alleluia
  59. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  60. 🔍 31% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  61. 🔍 31% Adeamus. Ps. LevaviAdeamus. Ps. Levavi
  62. 🔍 31% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  63. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  64. 🔍 30% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  65. 🔍 30% Alleluia Omnes GentesAlleluia Omnes Gentes