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% Ascendit DeusAscendit Deus
  2. 🔍 46% Ascendit DeusAscendit Deus
  3. 🔍 45% Ascendit DeusAscendit Deus
  4. 🔍 41% Ascendit DeusAscendit Deus
  5. 🔍 41% Ascendit DeusAscendit Deus
  6. 🔍 41% Ascendit DeusAscendit Deus
  7. 🔍 39% Sancti et justi (versiculus solemnis)Sancti et justi (versiculus solemnis)
  8. 🔍 38% Pretiosa in conspectu Domini (versiculus solemnis)Pretiosa in conspectu Domini (versiculus solemnis)
  9. 🔍 37% Justum deduxit DominusJustum deduxit Dominus
  10. 🔍 35% Ascendit DeusAscendit Deus
  11. 🔍 35% Ascendit DeusAscendit Deus
  12. 🔍 35% Ascendit DeusAscendit Deus
  13. 🔍 32% Ascendit DeusAscendit Deus
  14. 🔍 31% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  15. 🔍 31% Alleluia Lapis revolutusAlleluia Lapis revolutus
  16. 🔍 31% Ascendit DeusAscendit Deus
  17. 🔍 31% Ascendit DeusAscendit Deus
  18. 🔍 30% Ascensio (Tempore paschali)Ascensio (Tempore paschali)
  19. 🔍 30% Amavit eum Dominus (V/. sol.) T.P.Amavit eum Dominus (V/. sol.) T.P.
  20. 🔍 30% Repleti suntRepleti sunt
  21. 🔍 29% Amavit eum (verse sol.)Amavit eum (verse sol.)
  22. 🔍 29% Hæc diesHæc dies
  23. 🔍 29% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  24. 🔍 28% Alleluia Omnes GentesAlleluia Omnes Gentes
  25. 🔍 28% Alleluia (mode 8)Alleluia (mode 8)
  26. 🔍 28% AlleluiaAlleluia
  27. 🔍 28% Solemnitas est hodie sancti JosephSolemnitas est hodie sancti Joseph
  28. 🔍 28% Ora pro nobis sancte JosephOra pro nobis sancte Joseph
  29. 🔍 27% Omnes GentesOmnes Gentes
  30. 🔍 27% Gloria et honore (versus solemnior)Gloria et honore (versus solemnior)
  31. 🔍 27% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  32. 🔍 27% Erat autemErat autem
  33. 🔍 27% Tollite jugum meum super vos (V/. soll.)Tollite jugum meum super vos (V/. soll.)
  34. 🔍 27% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  35. 🔍 27% Gustate et videteGustate et videte
  36. 🔍 27% AscensioAscensio
  37. 🔍 27% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  38. 🔍 27% Alleluia (mode 8)Alleluia (mode 8)
  39. 🔍 27% Ascendit fumus... allel.Ascendit fumus... allel.
  40. 🔍 27% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  41. 🔍 27% Gloriosus apparuisti (vers. sol.)Gloriosus apparuisti (vers. sol.)
  42. 🔍 26% Ascendit DeusAscendit Deus
  43. 🔍 26% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  44. 🔍 26% Notum fecit DominusNotum fecit Dominus
  45. 🔍 26% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  46. 🔍 25% Alleluia. (Friday P. T. at Lauds I) Alleluia. (Friday P. T. at Lauds I)
  47. 🔍 25% Alleluia ! Fac cum servo tuoAlleluia ! Fac cum servo tuo
  48. 🔍 25% Laus et perennis gloriaLaus et perennis gloria
  49. 🔍 25% Ascendit Deus (Ss. Rosarii)Ascendit Deus (Ss. Rosarii)
  50. 🔍 25% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  51. 🔍 25% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  52. 🔍 25% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  53. 🔍 25% Puer natus in BethlehemPuer natus in Bethlehem
  54. 🔍 25% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  55. 🔍 25% Ora pro nobis, beate BernardeOra pro nobis, beate Bernarde
  56. 🔍 25% Alleluia (ant Dom.a in albis)Alleluia (ant Dom.a in albis)
  57. 🔍 25% Exaltata est sancta D. G. (vers. sol.)Exaltata est sancta D. G. (vers. sol.)
  58. 🔍 25% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  59. 🔍 25% Dum complerenturDum complerentur
  60. 🔍 25% Exaltate... RegumExaltate... Regum
  61. 🔍 25% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  62. 🔍 25% Spiritus et animaeSpiritus et animae
  63. 🔍 25% Ascendens in altumAscendens in altum
  64. 🔍 24% Fontes et omniaFontes et omnia
  65. 🔍 24% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)