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 alleluia)Factus est (cum alleluia)
  2. 🔍 91% Factus est cum AlleluiaFactus est cum Alleluia
  3. 🔍 73% Factus est (cum alleluia)Factus est (cum alleluia)
  4. 🔍 72% Factus est sine AlleluiaFactus est sine 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. 🔍 38% Qui feceritQui fecerit
  14. 🔍 38% Factus estFactus est
  15. 🔍 37% ConfiteanturConfiteantur
  16. 🔍 36% Factus est repenteFactus est repente
  17. 🔍 35% Viri GalilaeiViri Galilaei
  18. 🔍 35% Alleluia (ant.)Alleluia (ant.)
  19. 🔍 35% Alleluia (ant.)Alleluia (ant.)
  20. 🔍 33% QuotiescumqueQuotiescumque
  21. 🔍 33% Joseph fili DavidJoseph fili David
  22. 🔍 32% Viri GalilaeiViri Galilaei
  23. 🔍 32% Factus est repente de cælo sonusFactus est repente de cælo sonus
  24. 🔍 31% Alleluia (mode 8)Alleluia (mode 8)
  25. 🔍 31% Repleti suntRepleti sunt
  26. 🔍 31% Alleluia Lapis revolutusAlleluia Lapis revolutus
  27. 🔍 31% In manus tuas... allel.In manus tuas... allel.
  28. 🔍 31% Qui viceritQui vicerit
  29. 🔍 30% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  30. 🔍 30% Factus est repenteFactus est repente
  31. 🔍 30% Alleluia (mode 8)Alleluia (mode 8)
  32. 🔍 29% Alleluia Omnes GentesAlleluia Omnes Gentes
  33. 🔍 29% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  34. 🔍 29% Factus estFactus est
  35. 🔍 29% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  36. 🔍 29% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  37. 🔍 28% QuotiescumqueQuotiescumque
  38. 🔍 28% Juravit DominusJuravit Dominus
  39. 🔍 28% Factus est repenteFactus est repente
  40. 🔍 28% ResurrexiResurrexi
  41. 🔍 28% AlleluiaAlleluia
  42. 🔍 28% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  43. 🔍 27% Omnes GentesOmnes Gentes
  44. 🔍 27% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  45. 🔍 27% Vidi AquamVidi Aquam
  46. 🔍 27% Spiritus qui a PatreSpiritus qui a Patre
  47. 🔍 27% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  48. 🔍 27% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  49. 🔍 27% Spiritus Domini replevit (Intr)Spiritus Domini replevit (Intr)
  50. 🔍 27% Da nobis DeusDa nobis Deus
  51. 🔍 27% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  52. 🔍 26% Somno refectisSomno refectis
  53. 🔍 26% Gustate et videteGustate et videte
  54. 🔍 26% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  55. 🔍 26% In manus tuas (tempore Paschali)In manus tuas (tempore Paschali)
  56. 🔍 26% Puer natus in BethlehemPuer natus in Bethlehem
  57. 🔍 26% Nox atra rerum (+rhythmic signs)Nox atra rerum (+rhythmic signs)
  58. 🔍 26% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  59. 🔍 26% Alleluia confiteminiAlleluia confitemini
  60. 🔍 26% Iesu corona celsiorIesu corona celsior
  61. 🔍 26% Iesu corona celsiorIesu corona celsior
  62. 🔍 26% Nox atra rerumNox atra rerum
  63. 🔍 26% Iesu corona celsiorIesu corona celsior
  64. 🔍 26% Joseph fili DavidJoseph fili David
  65. 🔍 26% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)