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% Obtulerunt DiscipuliObtulerunt Discipuli
  2. 🔍 87% Obtulerunt discipuliObtulerunt discipuli
  3. 🔍 58% Obtulerunt discipuli DominoObtulerunt discipuli Domino
  4. 🔍 55% Obtulerunt discipuliObtulerunt discipuli
  5. 🔍 48% Obtulerunt discipuliObtulerunt discipuli
  6. 🔍 29% Alleluia (mode 8)Alleluia (mode 8)
  7. 🔍 28% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  8. 🔍 28% Alleluia Omnes GentesAlleluia Omnes Gentes
  9. 🔍 28% Alleluia LaudateAlleluia Laudate
  10. 🔍 28% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  11. 🔍 28% Alleluia. (Sund. P. T. at Lauds)Alleluia. (Sund. P. T. at Lauds)
  12. 🔍 27% Alleluia (mode 8)Alleluia (mode 8)
  13. 🔍 27% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  14. 🔍 27% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  15. 🔍 27% Omnes GentesOmnes Gentes
  16. 🔍 27% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  17. 🔍 27% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  18. 🔍 27% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  19. 🔍 27% Gavisi sunt discipuliGavisi sunt discipuli
  20. 🔍 26% Alleluia (Wednesday P. T. at Lauds)Alleluia (Wednesday P. T. at Lauds)
  21. 🔍 26% Alleluia Lapis revolutusAlleluia Lapis revolutus
  22. 🔍 26% Alleluia (Dominica ad Nonam T.P.)Alleluia (Dominica ad Nonam T.P.)
  23. 🔍 26% Et audientes discipuliEt audientes discipuli
  24. 🔍 26% Alleluia laudate DominumAlleluia laudate Dominum
  25. 🔍 26% Alleluia (ant.)Alleluia (ant.)
  26. 🔍 26% Alleluia (ant.)Alleluia (ant.)
  27. 🔍 26% AlleluiaAlleluia
  28. 🔍 26% Puer natus in BethlehemPuer natus in Bethlehem
  29. 🔍 26% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  30. 🔍 26% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  31. 🔍 26% Alleluia alleluiaAlleluia alleluia
  32. 🔍 25% Pax VobisPax Vobis
  33. 🔍 25% Alleluia. (Friday P. T. at Lauds)Alleluia. (Friday P. T. at Lauds)
  34. 🔍 25% Alleluia (Feria Secunda ad Tertiam T.P.)Alleluia (Feria Secunda ad Tertiam T.P.)
  35. 🔍 25% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  36. 🔍 25% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  37. 🔍 25% Alleluia. (Monday P. T. at Lauds)Alleluia. (Monday P. T. at Lauds)
  38. 🔍 25% Gustate et videteGustate et videte
  39. 🔍 25% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  40. 🔍 25% Alleluia Faciem tuamAlleluia Faciem tuam
  41. 🔍 25% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  42. 🔍 25% Gavisi sunt discipuliGavisi sunt discipuli
  43. 🔍 25% Undecim discipuliUndecim discipuli
  44. 🔍 24% Salus et gloria - mode IVSalus et gloria - mode IV
  45. 🔍 24% Alleluia. (Sat. P. T. at Lauds)Alleluia. (Sat. P. T. at Lauds)
  46. 🔍 24% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  47. 🔍 24% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  48. 🔍 24% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  49. 🔍 23% AlleluiaAlleluia
  50. 🔍 23% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  51. 🔍 23% In manus tuas (tempore Paschali)In manus tuas (tempore Paschali)
  52. 🔍 23% Currebant duoCurrebant duo
  53. 🔍 23% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  54. 🔍 23% CurrebantCurrebant
  55. 🔍 23% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  56. 🔍 23% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  57. 🔍 23% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  58. 🔍 23% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  59. 🔍 23% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  60. 🔍 22% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  61. 🔍 22% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  62. 🔍 22% Alleluia Tuus sumAlleluia Tuus sum
  63. 🔍 22% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  64. 🔍 22% Alleluia (Tuesday P. T. at Lauds)Alleluia (Tuesday P. T. at Lauds)
  65. 🔍 22% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)