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 communionem mode 4)Alleluia (ad communionem mode 4)
  2. 🔍 96% Alleluia (ad communionem mode 3)Alleluia (ad communionem mode 3)
  3. 🔍 87% Alleluia (ad communionem mode 8)Alleluia (ad communionem mode 8)
  4. 🔍 87% Alleluia (ad communionem mode 6)Alleluia (ad communionem mode 6)
  5. 🔍 87% Alleluia (ad communionem mode 2)Alleluia (ad communionem mode 2)
  6. 🔍 78% Alleluia (ad communionem mode 1)Alleluia (ad communionem mode 1)
  7. 🔍 76% Alleluia (ad communionem mode 5)Alleluia (ad communionem mode 5)
  8. 🔍 75% Alleluia (ad communionem mode 7)Alleluia (ad communionem mode 7)
  9. 🔍 58% Alleluia (ad introitum mode 4)Alleluia (ad introitum mode 4)
  10. 🔍 55% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  11. 🔍 55% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  12. 🔍 54% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  13. 🔍 53% Alleluia (ad introitum mode 6)Alleluia (ad introitum mode 6)
  14. 🔍 52% Alleluia (ad offertorium mode 4)Alleluia (ad offertorium mode 4)
  15. 🔍 52% Alleluia (ad introitum mode 7)Alleluia (ad introitum mode 7)
  16. 🔍 51% Alleluia (ad introitum mode 2)Alleluia (ad introitum mode 2)
  17. 🔍 49% Alleluia (ad introitum mode 5)Alleluia (ad introitum mode 5)
  18. 🔍 48% Alleluia (ad offertorium mode 5)Alleluia (ad offertorium mode 5)
  19. 🔍 42% Alleluia (ad offertorium mode 1)Alleluia (ad offertorium mode 1)
  20. 🔍 42% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  21. 🔍 32% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  22. 🔍 32% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  23. 🔍 32% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  24. 🔍 32% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  25. 🔍 31% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  26. 🔍 31% Alleluia (ant. mode I)Alleluia (ant. mode I)
  27. 🔍 31% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  28. 🔍 31% Alleluia (ad introitum mode 1)Alleluia (ad introitum mode 1)
  29. 🔍 31% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  30. 🔍 31% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  31. 🔍 29% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  32. 🔍 29% Alleluia (ad offertorium mode 6) Alleluia (ad offertorium mode 6)
  33. 🔍 29% Qui meditabiturQui meditabitur
  34. 🔍 28% Alleluia (modi communes post officium - VIII)Alleluia (modi communes post officium - VIII)
  35. 🔍 28% Alleluia (A)Alleluia (A)
  36. 🔍 27% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  37. 🔍 27% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  38. 🔍 27% Alleluia (modi communes post officium - III)Alleluia (modi communes post officium - III)
  39. 🔍 27% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  40. 🔍 27% Alleluia (modi communes post offertorium - VIII)Alleluia (modi communes post offertorium - VIII)
  41. 🔍 26% Alleluia (modi communes post offertorium - VI)Alleluia (modi communes post offertorium - VI)
  42. 🔍 26% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  43. 🔍 26% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  44. 🔍 26% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  45. 🔍 26% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  46. 🔍 26% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  47. 🔍 26% Alleluia (modi communes post officium - VI)Alleluia (modi communes post officium - VI)
  48. 🔍 26% Alleluia (modi communes post officium - I)Alleluia (modi communes post officium - I)
  49. 🔍 26% Quod dico vobisQuod dico vobis
  50. 🔍 25% Alleluia (modi communes post offertorium - I)Alleluia (modi communes post offertorium - I)
  51. 🔍 25% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  52. 🔍 25% Alleluia (mode 8)Alleluia (mode 8)
  53. 🔍 25% Alleluia (modi communes post offertorium - IV)Alleluia (modi communes post offertorium - IV)
  54. 🔍 25% Alleluia (modi communes post officium - VII)Alleluia (modi communes post officium - VII)
  55. 🔍 25% Deus in adjutorium (Ps.69 - Textus antiquus)Deus in adjutorium (Ps.69 - Textus antiquus)
  56. 🔍 25% Alleluia (modi communes post officium - IV)Alleluia (modi communes post officium - IV)
  57. 🔍 25% Alleluia (ad offertorium mode 2)Alleluia (ad offertorium mode 2)
  58. 🔍 25% Alleluia (mode 8)Alleluia (mode 8)
  59. 🔍 25% Alleluia. (Sund. P. T. at Sext)Alleluia. (Sund. P. T. at Sext)
  60. 🔍 25% Dominus vobiscum (Toni Orationem: Tonus festivus.)Dominus vobiscum (Toni Orationem: Tonus festivus.)
  61. 🔍 25% Alleluia alleluiaAlleluia alleluia
  62. 🔍 25% Ite IaIte Ia
  63. 🔍 25% Dominus vobiscum (Toni Orationum: Toni antiqui ad libitum: Tonus solemnis.)Dominus vobiscum (Toni Orationum: Toni antiqui ad libitum: Tonus solemnis.)
  64. 🔍 25% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  65. 🔍 25% Alleluia. (Paschal Vigil at Lauds)Alleluia. (Paschal Vigil at Lauds)