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 1)Alleluia (ad offertorium mode 1)
  2. 🔍 63% Alleluia (ad offertorium mode 4)Alleluia (ad offertorium mode 4)
  3. 🔍 57% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  4. 🔍 50% Alleluia (ad offertorium mode 5)Alleluia (ad offertorium mode 5)
  5. 🔍 47% Alleluia (ad introitum mode 6)Alleluia (ad introitum mode 6)
  6. 🔍 46% Alleluia (ad communionem mode 1)Alleluia (ad communionem mode 1)
  7. 🔍 43% Alleluia (ad communionem mode 3)Alleluia (ad communionem mode 3)
  8. 🔍 42% Alleluia (ad communionem mode 2)Alleluia (ad communionem mode 2)
  9. 🔍 42% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  10. 🔍 42% Alleluia (ad communionem mode 6)Alleluia (ad communionem mode 6)
  11. 🔍 41% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  12. 🔍 41% Alleluia (ad communionem mode 8)Alleluia (ad communionem mode 8)
  13. 🔍 40% Alleluia (ad introitum mode 3)Alleluia (ad introitum mode 3)
  14. 🔍 40% Alleluia (ad introitum mode 4)Alleluia (ad introitum mode 4)
  15. 🔍 39% Alleluia (ad introitum mode 7)Alleluia (ad introitum mode 7)
  16. 🔍 38% Alleluia (ad introitum mode 2)Alleluia (ad introitum mode 2)
  17. 🔍 37% Alleluia (ad introitum mode 5)Alleluia (ad introitum mode 5)
  18. 🔍 36% Benedicam DominumBenedicam Dominum
  19. 🔍 35% Alleluia (ad communionem mode 5)Alleluia (ad communionem mode 5)
  20. 🔍 35% Ascendit DeusAscendit Deus
  21. 🔍 35% Alleluia (ad communionem mode 7)Alleluia (ad communionem mode 7)
  22. 🔍 35% Christi factus sumChristi factus sum
  23. 🔍 34% Repleti sumusRepleti sumus
  24. 🔍 32% Alleluia (ad introitum mode 1)Alleluia (ad introitum mode 1)
  25. 🔍 31% Alleluia (ad offertorium mode 6) Alleluia (ad offertorium mode 6)
  26. 🔍 30% Justi epulentur (Off.)Justi epulentur (Off.)
  27. 🔍 29% Repleti sumusRepleti sumus
  28. 🔍 28% Dicit Dominus : SermonesDicit Dominus : Sermones
  29. 🔍 28% Alleluia (ad offertorium mode 2)Alleluia (ad offertorium mode 2)
  30. 🔍 27% Adorate DeumAdorate Deum
  31. 🔍 27% Terra tremuitTerra tremuit
  32. 🔍 26% MiserebiturMiserebitur
  33. 🔍 26% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  34. 🔍 25% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  35. 🔍 25% Ego sum pastorEgo sum pastor
  36. 🔍 25% Mirabilis DominusMirabilis Dominus
  37. 🔍 25% Dicit Dominus: sermones meiDicit Dominus: sermones mei
  38. 🔍 25% ReminiscereReminiscere
  39. 🔍 24% Confitebor tibi... DeusConfitebor tibi... Deus
  40. 🔍 24% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  41. 🔍 24% Alleluia (modi communes post offertorium - IV)Alleluia (modi communes post offertorium - IV)
  42. 🔍 24% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  43. 🔍 24% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  44. 🔍 24% Alleluia (modi communes post offertorium - VI)Alleluia (modi communes post offertorium - VI)
  45. 🔍 24% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  46. 🔍 24% Alleluia (ant. mode I)Alleluia (ant. mode I)
  47. 🔍 23% Recordare VirgoRecordare Virgo
  48. 🔍 23% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  49. 🔍 23% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  50. 🔍 23% Quasi modoQuasi modo
  51. 🔍 23% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  52. 🔍 23% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  53. 🔍 22% In medio EcclesiaeIn medio Ecclesiae
  54. 🔍 22% Alleluia (ad offertorium mode 7) Alleluia (ad offertorium mode 7)
  55. 🔍 22% AmbulateAmbulate
  56. 🔍 22% Alleluia (modi communes post offertorium - I)Alleluia (modi communes post offertorium - I)
  57. 🔍 22% Alleluia (modi communes post offertorium - III)Alleluia (modi communes post offertorium - III)
  58. 🔍 22% Alleluia (modi communes post officium - VI)Alleluia (modi communes post officium - VI)
  59. 🔍 22% Alleluia (A)Alleluia (A)
  60. 🔍 21% In medio EcclesiaeIn medio Ecclesiae
  61. 🔍 21% Benedicam DominumBenedicam Dominum
  62. 🔍 21% Respice in meRespice in me
  63. 🔍 21% Etenim sederuntEtenim sederunt
  64. 🔍 21% Benedicamus PatremBenedicamus Patrem
  65. 🔍 21% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)