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% Obtulerunt discipuli DominoObtulerunt discipuli Domino
  2. 🔍 61% Obtulerunt discipuliObtulerunt discipuli
  3. 🔍 58% Obtulerunt DiscipuliObtulerunt Discipuli
  4. 🔍 57% Obtulerunt discipuliObtulerunt discipuli
  5. 🔍 47% Obtulerunt discipuliObtulerunt discipuli
  6. 🔍 34% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  7. 🔍 33% Cognoverunt DominumCognoverunt Dominum
  8. 🔍 32% Spiritus carnem et ossa non habetSpiritus carnem et ossa non habet
  9. 🔍 30% Pax vobis ego sumPax vobis ego sum
  10. 🔍 30% Alleluia (Dominica per Annum ad Laudes)Alleluia (Dominica per Annum ad Laudes)
  11. 🔍 28% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  12. 🔍 28% Elevatis manibusElevatis manibus
  13. 🔍 28% Alleluia (mode 8)Alleluia (mode 8)
  14. 🔍 28% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  15. 🔍 28% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  16. 🔍 27% Isti sunt sermonesIsti sunt sermones
  17. 🔍 27% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  18. 🔍 27% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 27% AlleluiaAlleluia
  20. 🔍 27% Et coegerunt illumEt coegerunt illum
  21. 🔍 27% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  22. 🔍 27% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  23. 🔍 27% Et incipiens a MoyseEt incipiens a Moyse
  24. 🔍 26% Alleluia (Feria Secunda ad Tertiam T.P.)Alleluia (Feria Secunda ad Tertiam T.P.)
  25. 🔍 26% Sancti et justiSancti et justi
  26. 🔍 26% Alleluia (mode 8)Alleluia (mode 8)
  27. 🔍 26% Nonne sic oportuitNonne sic oportuit
  28. 🔍 26% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  29. 🔍 26% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  30. 🔍 26% Usque modoUsque modo
  31. 🔍 26% Gavisi sunt discipuliGavisi sunt discipuli
  32. 🔍 26% Alleluia (Feria Secunda ad Sextam T.P.)Alleluia (Feria Secunda ad Sextam T.P.)
  33. 🔍 25% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  34. 🔍 25% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  35. 🔍 25% Regina caeli laetareRegina caeli laetare
  36. 🔍 25% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  37. 🔍 25% Alleluia LaudateAlleluia Laudate
  38. 🔍 25% Alleluia (Dominica ad Primam, per annum)Alleluia (Dominica ad Primam, per annum)
  39. 🔍 25% Obtulerunt pro eo DominoObtulerunt pro eo Domino
  40. 🔍 25% Mane nobiscum quoniam advesperascitMane nobiscum quoniam advesperascit
  41. 🔍 25% Alleluia (ant.)Alleluia (ant.)
  42. 🔍 25% Alleluia (ant.)Alleluia (ant.)
  43. 🔍 25% Omnes GentesOmnes Gentes
  44. 🔍 25% In velamento clamabantIn velamento clamabant
  45. 🔍 25% Alleluia Lapis revolutusAlleluia Lapis revolutus
  46. 🔍 25% AlleluiaAlleluia
  47. 🔍 25% Puer natus in BethlehemPuer natus in Bethlehem
  48. 🔍 25% Venite omnes adoremusVenite omnes adoremus
  49. 🔍 25% Conversus estConversus est
  50. 🔍 25% Ite nuntiate fratribusIte nuntiate fratribus
  51. 🔍 25% Alleluia (Per Hebdomadam ad Sextam T.P.)Alleluia (Per Hebdomadam ad Sextam T.P.)
  52. 🔍 25% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  53. 🔍 24% Alleluia. (Sund. P. T. at Lauds II)Alleluia. (Sund. P. T. at Lauds II)
  54. 🔍 24% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  55. 🔍 24% Spiritus qui a Patre proceditSpiritus qui a Patre procedit
  56. 🔍 24% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  57. 🔍 24% Et audientes discipuliEt audientes discipuli
  58. 🔍 24% Et intravit cum illisEt intravit cum illis
  59. 🔍 24% Alleluia Faciem tuamAlleluia Faciem tuam
  60. 🔍 24% Gavisi sunt discipuliGavisi sunt discipuli
  61. 🔍 24% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  62. 🔍 24% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  63. 🔍 24% Sancti et justiSancti et justi
  64. 🔍 24% Nonne cor nostrumNonne cor nostrum
  65. 🔍 23% Alleluia. (Saturday P. T. at Lauds I)Alleluia. (Saturday P. T. at Lauds I)