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% Lux perpetuaLux perpetua
  2. 🔍 42% Lux perpetua (T.P.)Lux perpetua (T.P.)
  3. 🔍 42% Lux perpetuaLux perpetua
  4. 🔍 42% Lux perpetua lucebitLux perpetua lucebit
  5. 🔍 41% Lux perpetuaLux perpetua
  6. 🔍 41% Elegit MariamElegit Mariam
  7. 🔍 40% Beatus MartinusBeatus Martinus
  8. 🔍 37% O beata CaeciliaO beata Caecilia
  9. 🔍 37% Lux perpetua lucebit Sanctis tuisLux perpetua lucebit Sanctis tuis
  10. 🔍 34% Laetitia sempiternaLaetitia sempiterna
  11. 🔍 32% Lux de luceLux de luce
  12. 🔍 31% Alleluia (mode 8)Alleluia (mode 8)
  13. 🔍 31% Laetitia sempiternaLaetitia sempiterna
  14. 🔍 31% Lux perpetuaLux perpetua
  15. 🔍 30% Virtute MagnaVirtute Magna
  16. 🔍 30% Laetitia sempiterna super capitaLaetitia sempiterna super capita
  17. 🔍 30% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  18. 🔍 29% Repleatur osRepleatur os
  19. 🔍 29% Lux perpetua lucebitLux perpetua lucebit
  20. 🔍 29% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  21. 🔍 29% Alleluia Lapis revolutusAlleluia Lapis revolutus
  22. 🔍 28% Lux perpetua lucebitLux perpetua lucebit
  23. 🔍 28% Laetamini in Domino... allel.Laetamini in Domino... allel.
  24. 🔍 28% Postquam impleti suntPostquam impleti sunt
  25. 🔍 28% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  26. 🔍 28% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  27. 🔍 28% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  28. 🔍 28% Puer natus in BethlehemPuer natus in Bethlehem
  29. 🔍 28% Alleluia confiteminiAlleluia confitemini
  30. 🔍 28% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  31. 🔍 28% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  32. 🔍 28% Omnes GentesOmnes Gentes
  33. 🔍 28% Gustate et videteGustate et videte
  34. 🔍 27% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  35. 🔍 27% Gloria et honore... allel.Gloria et honore... allel.
  36. 🔍 27% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  37. 🔍 27% Lux de luceLux de luce
  38. 🔍 27% Elevata estElevata est
  39. 🔍 27% Ecce oculiEcce oculi
  40. 🔍 27% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  41. 🔍 27% Notum fecitNotum fecit
  42. 🔍 27% Alleluia (mode 8)Alleluia (mode 8)
  43. 🔍 27% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  44. 🔍 27% Deus misereaturDeus misereatur
  45. 🔍 27% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  46. 🔍 27% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  47. 🔍 27% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  48. 🔍 27% Alleluia (modi communes post officium - IV)Alleluia (modi communes post officium - IV)
  49. 🔍 27% Alleluia Omnes GentesAlleluia Omnes Gentes
  50. 🔍 27% Benedicamus PatremBenedicamus Patrem
  51. 🔍 27% Hodie in JordaneHodie in Jordane
  52. 🔍 27% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  53. 🔍 27% Beati qui habitant... allel.Beati qui habitant... allel.
  54. 🔍 26% Repleti suntRepleti sunt
  55. 🔍 26% AlleluiaAlleluia
  56. 🔍 26% Lux de luceLux de luce
  57. 🔍 26% Justi autem... allel.Justi autem... allel.
  58. 🔍 26% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  59. 🔍 26% Salus et gloria - mode IVSalus et gloria - mode IV
  60. 🔍 26% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  61. 🔍 26% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  62. 🔍 26% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  63. 🔍 26% Improperium... et non inveniImproperium... et non inveni
  64. 🔍 26% Salus et gloriaSalus et gloria
  65. 🔍 26% Misericordia tuaMisericordia tua