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 offertorium mode 5)Alleluia (ad offertorium mode 5)
  2. 🔍 66% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  3. 🔍 64% Alleluia (ad offertorium mode 4)Alleluia (ad offertorium mode 4)
  4. 🔍 53% Alleluia (ad introitum mode 2)Alleluia (ad introitum mode 2)
  5. 🔍 53% Alleluia (ad communionem mode 1)Alleluia (ad communionem mode 1)
  6. 🔍 50% Alleluia (ad offertorium mode 1)Alleluia (ad offertorium mode 1)
  7. 🔍 49% Alleluia (ad communionem mode 3)Alleluia (ad communionem mode 3)
  8. 🔍 48% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  9. 🔍 48% Alleluia (ad communionem mode 8)Alleluia (ad communionem mode 8)
  10. 🔍 48% Alleluia (ad communionem mode 2)Alleluia (ad communionem mode 2)
  11. 🔍 47% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  12. 🔍 47% Alleluia (ad communionem mode 6)Alleluia (ad communionem mode 6)
  13. 🔍 47% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  14. 🔍 46% Alleluia (ad introitum mode 4)Alleluia (ad introitum mode 4)
  15. 🔍 46% Alleluia (ad introitum mode 6)Alleluia (ad introitum mode 6)
  16. 🔍 45% Alleluia (ad introitum mode 7)Alleluia (ad introitum mode 7)
  17. 🔍 43% Alleluia (ad introitum mode 5)Alleluia (ad introitum mode 5)
  18. 🔍 41% Alleluia (ad communionem mode 5)Alleluia (ad communionem mode 5)
  19. 🔍 41% Alleluia (ad offertorium mode 2)Alleluia (ad offertorium mode 2)
  20. 🔍 40% Alleluia (ad communionem mode 7)Alleluia (ad communionem mode 7)
  21. 🔍 30% Alleluia (ad offertorium mode 6) Alleluia (ad offertorium mode 6)
  22. 🔍 30% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  23. 🔍 28% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  24. 🔍 28% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  25. 🔍 28% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  26. 🔍 28% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  27. 🔍 27% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  28. 🔍 27% Alleluia (ant. mode I)Alleluia (ant. mode I)
  29. 🔍 27% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  30. 🔍 27% Alleluia (ad introitum mode 1)Alleluia (ad introitum mode 1)
  31. 🔍 27% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  32. 🔍 27% Immittet AngelusImmittet Angelus
  33. 🔍 27% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  34. 🔍 26% Alleluia (ad offertorium mode 7) Alleluia (ad offertorium mode 7)
  35. 🔍 26% Alleluia (modi communes post offertorium - VI)Alleluia (modi communes post offertorium - VI)
  36. 🔍 26% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  37. 🔍 25% Alleluia (modi communes post offertorium - I)Alleluia (modi communes post offertorium - I)
  38. 🔍 25% Confitebor Domino cum AlleluiaConfitebor Domino cum Alleluia
  39. 🔍 25% Alleluia (modi communes post offertorium - IV)Alleluia (modi communes post offertorium - IV)
  40. 🔍 24% Alleluia (modi communes post offertorium - III)Alleluia (modi communes post offertorium - III)
  41. 🔍 24% Alleluia (A)Alleluia (A)
  42. 🔍 24% Alleluia (modi communes post offertorium - VIII)Alleluia (modi communes post offertorium - VIII)
  43. 🔍 24% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  44. 🔍 23% Benedictus qui venitBenedictus qui venit
  45. 🔍 23% Alleluia (ad offertorium mode 8) Alleluia (ad offertorium mode 8)
  46. 🔍 23% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  47. 🔍 23% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  48. 🔍 23% Alleluia (modi communes post offertorium - VII)Alleluia (modi communes post offertorium - VII)
  49. 🔍 23% Alleluia (modi communes post officium - VI)Alleluia (modi communes post officium - VI)
  50. 🔍 23% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  51. 🔍 23% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  52. 🔍 23% Alleluia (modi communes post officium - III)Alleluia (modi communes post officium - III)
  53. 🔍 23% Alleluia (modi communes post officium - VIII)Alleluia (modi communes post officium - VIII)
  54. 🔍 23% Agnus VIIIAgnus VIII
  55. 🔍 23% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  56. 🔍 23% Emitte SpiritumEmitte Spiritum
  57. 🔍 23% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  58. 🔍 22% Alleluia (modi communes post officium - I)Alleluia (modi communes post officium - I)
  59. 🔍 22% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  60. 🔍 22% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  61. 🔍 22% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  62. 🔍 22% Ite IaIte Ia
  63. 🔍 22% Dominus vobiscum (Toni Orationum: Toni antiqui ad libitum: Tonus solemnis.)Dominus vobiscum (Toni Orationum: Toni antiqui ad libitum: Tonus solemnis.)
  64. 🔍 22% Alleluia (modi communes post offertorium - II)Alleluia (modi communes post offertorium - II)
  65. 🔍 22% Alleluia (modi communes post officium - IV)Alleluia (modi communes post officium - IV)