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% Factus est cum AlleluiaFactus est cum Alleluia
  2. 🔍 91% Factus est (cum alleluia)Factus est (cum alleluia)
  3. 🔍 76% Factus est sine AlleluiaFactus est sine Alleluia
  4. 🔍 73% Factus est (cum alleluia)Factus est (cum alleluia)
  5. 🔍 65% Factus est repente... alleluiaFactus est repente... alleluia
  6. 🔍 60% Factus est repenteFactus est repente
  7. 🔍 60% Factus est sine alleluiaFactus est sine alleluia
  8. 🔍 59% Factus est repenteFactus est repente
  9. 🔍 56% Factus est repenteFactus est repente
  10. 🔍 49% Factus est RepenteFactus est Repente
  11. 🔍 46% Factus est... alleluiaFactus est... alleluia
  12. 🔍 45%
  13. 🔍 41% Factus estFactus est
  14. 🔍 40% Qui feceritQui fecerit
  15. 🔍 39% ConfiteanturConfiteantur
  16. 🔍 37% Factus est repenteFactus est repente
  17. 🔍 37% QuotiescumqueQuotiescumque
  18. 🔍 36% Viri GalilaeiViri Galilaei
  19. 🔍 36% Viri GalilaeiViri Galilaei
  20. 🔍 35% Joseph fili DavidJoseph fili David
  21. 🔍 35% Qui viceritQui vicerit
  22. 🔍 34% Alleluia (ant.)Alleluia (ant.)
  23. 🔍 34% Alleluia (ant.)Alleluia (ant.)
  24. 🔍 32% Factus est repente de cælo sonusFactus est repente de cælo sonus
  25. 🔍 32% Juravit DominusJuravit Dominus
  26. 🔍 31% Repleti suntRepleti sunt
  27. 🔍 31% Alleluia Lapis revolutusAlleluia Lapis revolutus
  28. 🔍 31% In manus tuas... allel.In manus tuas... allel.
  29. 🔍 31% Alleluia (mode 8)Alleluia (mode 8)
  30. 🔍 30% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  31. 🔍 30% Alleluia (ad introitum mode 7)Alleluia (ad introitum mode 7)
  32. 🔍 30% Factus estFactus est
  33. 🔍 30% Factus est repenteFactus est repente
  34. 🔍 30% Alleluia (mode 8)Alleluia (mode 8)
  35. 🔍 30% Spiritus SanctusSpiritus Sanctus
  36. 🔍 29% Alleluia Omnes GentesAlleluia Omnes Gentes
  37. 🔍 29% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  38. 🔍 29% Da nobis DeusDa nobis Deus
  39. 🔍 29% QuotiescumqueQuotiescumque
  40. 🔍 29% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  41. 🔍 29% Venite benedictiVenite benedicti
  42. 🔍 29% ResurrexiResurrexi
  43. 🔍 28% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  44. 🔍 28% Factus est repenteFactus est repente
  45. 🔍 28% Oculus DeiOculus Dei
  46. 🔍 28% AlleluiaAlleluia
  47. 🔍 28% Vidi aquamVidi aquam
  48. 🔍 28% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  49. 🔍 28% AccipiteAccipite
  50. 🔍 28% Somno refectisSomno refectis
  51. 🔍 28% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  52. 🔍 28% Spiritus Domini cum AlleluiaSpiritus Domini cum Alleluia
  53. 🔍 27% Quasi modoQuasi modo
  54. 🔍 27% Vidi AquamVidi Aquam
  55. 🔍 27% Omnes GentesOmnes Gentes
  56. 🔍 27% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  57. 🔍 27% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  58. 🔍 27% Repleti suntRepleti sunt
  59. 🔍 27% Spiritus... replevit... alleluiaSpiritus... replevit... alleluia
  60. 🔍 27% Cum venerit Paraclitus SpiritusCum venerit Paraclitus Spiritus
  61. 🔍 27% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  62. 🔍 27% Nox atra rerumNox atra rerum
  63. 🔍 27% Alleluia confiteminiAlleluia confitemini
  64. 🔍 27% Gustate et videteGustate et videte
  65. 🔍 27% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)