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% Tristitia implevit corTristitia implevit cor
  2. 🔍 77% Tristitia implevitTristitia implevit
  3. 🔍 70% Tristitia implevitTristitia implevit
  4. 🔍 53% Tristitia vestra verteturTristitia vestra vertetur
  5. 🔍 47% Tristitia vestraTristitia vestra
  6. 🔍 46% IterumIterum
  7. 🔍 45% Tristitia vestra alleluiaTristitia vestra alleluia
  8. 🔍 41% Amen amen dico vobis iterumAmen amen dico vobis iterum
  9. 🔍 41% Tristitia vestraTristitia vestra
  10. 🔍 38% Tristitia vestra verteturTristitia vestra vertetur
  11. 🔍 33% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 32% Alleluia LaudateAlleluia Laudate
  13. 🔍 31% Ascendo ad PatremAscendo ad Patrem
  14. 🔍 31% Ascendo ad PatremAscendo ad Patrem
  15. 🔍 31% Mane nobiscumMane nobiscum
  16. 🔍 30% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  17. 🔍 30% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  18. 🔍 30% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  19. 🔍 30% AlleluiaAlleluia
  20. 🔍 30% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  21. 🔍 30% Alleluia (mode 8)Alleluia (mode 8)
  22. 🔍 29% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  23. 🔍 29% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  24. 🔍 29% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  25. 🔍 29% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  26. 🔍 29% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  27. 🔍 29% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  28. 🔍 29% Vado ad eum ... sed quiaVado ad eum ... sed quia
  29. 🔍 29% Iterum autem videboIterum autem videbo
  30. 🔍 29% Nonne cor nostrumNonne cor nostrum
  31. 🔍 29% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  32. 🔍 28% AscendoAscendo
  33. 🔍 28% DilexistiDilexisti
  34. 🔍 28% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  35. 🔍 28% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  36. 🔍 28% Ascendo ad Patrem meumAscendo ad Patrem meum
  37. 🔍 28% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  38. 🔍 28% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  39. 🔍 28% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  40. 🔍 27% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  41. 🔍 27% Vado ad eum... sed quiaVado ad eum... sed quia
  42. 🔍 27% AlleluiaAlleluia
  43. 🔍 27% Introduxit vosIntroduxit vos
  44. 🔍 27% Jubilate DeoJubilate Deo
  45. 🔍 27% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  46. 🔍 27% AscendoAscendo
  47. 🔍 27% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  48. 🔍 27% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  49. 🔍 27% Si manseritis in meSi manseritis in me
  50. 🔍 27% Verbum caro factum estVerbum caro factum est
  51. 🔍 27% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  52. 🔍 27% Alleluia (T. P. ad Nonam)Alleluia (T. P. ad Nonam)
  53. 🔍 27% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  54. 🔍 27% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  55. 🔍 27% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  56. 🔍 27% Veni Sancte Spiritus repleVeni Sancte Spiritus reple
  57. 🔍 27% Isti sunt sermonesIsti sunt sermones
  58. 🔍 27% Spiritus quiSpiritus qui
  59. 🔍 27% Vado ad eum... sed quiaVado ad eum... sed quia
  60. 🔍 27% Et coegerunt illumEt coegerunt illum
  61. 🔍 27% Pax vobis ego sumPax vobis ego sum
  62. 🔍 27% Puer natus in BethlehemPuer natus in Bethlehem
  63. 🔍 27% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  64. 🔍 27% Alleluia Lapis revolutusAlleluia Lapis revolutus
  65. 🔍 26% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)