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 (modi communes post offertorium - V)Alleluia (modi communes post offertorium - V)
  2. 🔍 75% Alleluia (modi communes post offertorium - VI)Alleluia (modi communes post offertorium - VI)
  3. 🔍 73% Alleluia (modi communes post offertorium - I)Alleluia (modi communes post offertorium - I)
  4. 🔍 70% Alleluia (modi communes post offertorium - IV)Alleluia (modi communes post offertorium - IV)
  5. 🔍 68% Alleluia (modi communes post offertorium - VIII)Alleluia (modi communes post offertorium - VIII)
  6. 🔍 67% Alleluia (modi communes post offertorium - III)Alleluia (modi communes post offertorium - III)
  7. 🔍 66% Alleluia (modi communes post offertorium - VII)Alleluia (modi communes post offertorium - VII)
  8. 🔍 64% Alleluia (modi communes post offertorium - II)Alleluia (modi communes post offertorium - II)
  9. 🔍 57% Alleluia (modi communes post officium - VI)Alleluia (modi communes post officium - VI)
  10. 🔍 56% Alleluia (modi communes post officium - VIII)Alleluia (modi communes post officium - VIII)
  11. 🔍 55% Alleluia (modi communes post officium - VII)Alleluia (modi communes post officium - VII)
  12. 🔍 54% Alleluia (modi communes post officium - IV)Alleluia (modi communes post officium - IV)
  13. 🔍 53% Alleluia (modi communes post officium - III)Alleluia (modi communes post officium - III)
  14. 🔍 52% Alleluia (modi communes post officium - II)Alleluia (modi communes post officium - II)
  15. 🔍 49% Alleluia (modi communes post officium - V)Alleluia (modi communes post officium - V)
  16. 🔍 48% Alleluia (modi communes post officium - I)Alleluia (modi communes post officium - I)
  17. 🔍 34% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  18. 🔍 34% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  19. 🔍 33% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  20. 🔍 33% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  21. 🔍 32% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  22. 🔍 32% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  23. 🔍 32% Alleluia (ant. mode I)Alleluia (ant. mode I)
  24. 🔍 32% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  25. 🔍 31% Alleluia (ad offertorium mode 6) Alleluia (ad offertorium mode 6)
  26. 🔍 27% Alleluia (ad communionem mode 5)Alleluia (ad communionem mode 5)
  27. 🔍 27% Alleluia (ad offertorium mode 7) Alleluia (ad offertorium mode 7)
  28. 🔍 26% Alleluia (A)Alleluia (A)
  29. 🔍 26% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  30. 🔍 25% Gloria Patri - VGloria Patri - V
  31. 🔍 23% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  32. 🔍 23% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  33. 🔍 23% Alleluia (ad offertorium mode 8) Alleluia (ad offertorium mode 8)
  34. 🔍 23% Alleluia (ad offertorium mode 4)Alleluia (ad offertorium mode 4)
  35. 🔍 23% AlleluiaAlleluia
  36. 🔍 22% Alleluia (in fine antiphonarum)Alleluia (in fine antiphonarum)
  37. 🔍 22% Benedicamus Domino (in Feriis ad Vesperas)Benedicamus Domino (in Feriis ad Vesperas)
  38. 🔍 22% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  39. 🔍 22% Alleluia (mode 8)Alleluia (mode 8)
  40. 🔍 22% Alleluia (ad introitum mode 5)Alleluia (ad introitum mode 5)
  41. 🔍 22% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  42. 🔍 21% Alleluia (ad introitum mode 4)Alleluia (ad introitum mode 4)
  43. 🔍 21% Alleluia (ad communionem mode 3)Alleluia (ad communionem mode 3)
  44. 🔍 21% Alleluia (ad introitum mode 6)Alleluia (ad introitum mode 6)
  45. 🔍 21% Toni Communes Ad Gloria Patri (Modo V)Toni Communes Ad Gloria Patri (Modo V)
  46. 🔍 21% Toni Communes Ad Gloria Patri (Modo IV)Toni Communes Ad Gloria Patri (Modo IV)
  47. 🔍 21% Alleluia (ad communionem mode 2)Alleluia (ad communionem mode 2)
  48. 🔍 21% Ite, missa est, alleluia, alleluiaIte, missa est, alleluia, alleluia
  49. 🔍 21% Alleluia (ad introitum mode 7)Alleluia (ad introitum mode 7)
  50. 🔍 21% Alleluia (ad introitum mode 2)Alleluia (ad introitum mode 2)
  51. 🔍 21% Alleluia alleluiaAlleluia alleluia
  52. 🔍 21% Alleluia (mode 8)Alleluia (mode 8)
  53. 🔍 21% Alleluia (ad communionem mode 6)Alleluia (ad communionem mode 6)
  54. 🔍 21% Non vos relinquamNon vos relinquam
  55. 🔍 21% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  56. 🔍 21% Alleluia (ad communionem mode 1)Alleluia (ad communionem mode 1)
  57. 🔍 20% Alleluia (ad offertorium mode 5)Alleluia (ad offertorium mode 5)
  58. 🔍 20% Alleluia alleluia alleluia (Dom. ad Laudes)Alleluia alleluia alleluia (Dom. ad Laudes)
  59. 🔍 20% Alleluia (ad offertorium mode 2)Alleluia (ad offertorium mode 2)
  60. 🔍 20% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  61. 🔍 20% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  62. 🔍 20% Alleluia (ad communionem mode 8)Alleluia (ad communionem mode 8)
  63. 🔍 20% Toni Communes Ad Gloria Patri (Modo II)Toni Communes Ad Gloria Patri (Modo II)
  64. 🔍 20% Post collectamPost collectam
  65. 🔍 20% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)