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 RepenteFactus est Repente
  2. 🔍 58% Factus estFactus est
  3. 🔍 53% Factus estFactus est
  4. 🔍 49% Factus est cum AlleluiaFactus est cum Alleluia
  5. 🔍 49% Factus est (cum alleluia)Factus est (cum alleluia)
  6. 🔍 35% Factus est (cum alleluia)Factus est (cum alleluia)
  7. 🔍 33% Factus est repente... alleluiaFactus est repente... alleluia
  8. 🔍 29% Factus est repenteFactus est repente
  9. 🔍 28% Factus est sine AlleluiaFactus est sine Alleluia
  10. 🔍 28% Qui feceritQui fecerit
  11. 🔍 28% Factus est repenteFactus est repente
  12. 🔍 27% Alleluia (ant.)Alleluia (ant.)
  13. 🔍 27% Alleluia (ant.)Alleluia (ant.)
  14. 🔍 27% Factus est repenteFactus est repente
  15. 🔍 27% Data est MihiData est Mihi
  16. 🔍 26% Viri GalilaeiViri Galilaei
  17. 🔍 26% Factus est... alleluiaFactus est... alleluia
  18. 🔍 25% ConfiteanturConfiteantur
  19. 🔍 25%
  20. 🔍 24% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  21. 🔍 24% Vidi AquamVidi Aquam
  22. 🔍 24% Alleluia (mode 8)Alleluia (mode 8)
  23. 🔍 24% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  24. 🔍 23% QuotiescumqueQuotiescumque
  25. 🔍 23% QuotiescumqueQuotiescumque
  26. 🔍 23% Qui viceritQui vicerit
  27. 🔍 23% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  28. 🔍 23% Alleluia (mode 8)Alleluia (mode 8)
  29. 🔍 22% Spiritus Domini replevitSpiritus Domini replevit
  30. 🔍 22% Viri GalilaeiViri Galilaei
  31. 🔍 22% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  32. 🔍 22% Alleluia Lapis revolutusAlleluia Lapis revolutus
  33. 🔍 21% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  34. 🔍 21% AlleluiaAlleluia
  35. 🔍 21% Viri GalilaeiViri Galilaei
  36. 🔍 21% Deus IsraelDeus Israel
  37. 🔍 21% Lumen HilareLumen Hilare
  38. 🔍 21% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  39. 🔍 20% Quasi ModoQuasi Modo
  40. 🔍 20% O filii et filiaeO filii et filiae
  41. 🔍 20% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  42. 🔍 20% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  43. 🔍 20% Justorum animaeJustorum animae
  44. 🔍 20% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  45. 🔍 20% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  46. 🔍 20% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  47. 🔍 20% Juravit DominusJuravit Dominus
  48. 🔍 19% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  49. 🔍 19% Credo IIICredo III
  50. 🔍 19% Cibavit EosCibavit Eos
  51. 🔍 19% Joseph fili DavidJoseph fili David
  52. 🔍 19% Puer natus in BethlehemPuer natus in Bethlehem
  53. 🔍 19% Speciosus... EructavitSpeciosus... Eructavit
  54. 🔍 19% Alleluia (ad introitum mode 7)Alleluia (ad introitum mode 7)
  55. 🔍 19% Factus est sine alleluiaFactus est sine alleluia
  56. 🔍 19% QuotiescumqueQuotiescumque
  57. 🔍 19% Gustate et videteGustate et videte
  58. 🔍 18% In manus tuas... allel.In manus tuas... allel.
  59. 🔍 18% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  60. 🔍 18% ObtuleruntObtulerunt
  61. 🔍 18% ResurrexiResurrexi
  62. 🔍 18% Factus est repenteFactus est repente
  63. 🔍 18% ManducaveruntManducaverunt
  64. 🔍 18% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  65. 🔍 18% Adorate DeumAdorate Deum