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 implevitTristitia implevit
  2. 🔍 77% Tristitia implevit corTristitia implevit cor
  3. 🔍 76% Tristitia implevitTristitia implevit
  4. 🔍 53% Tristitia vestraTristitia vestra
  5. 🔍 52% IterumIterum
  6. 🔍 49% Tristitia vestra verteturTristitia vestra vertetur
  7. 🔍 47% Tristitia vestraTristitia vestra
  8. 🔍 41% Tristitia vestra verteturTristitia vestra vertetur
  9. 🔍 38% Tristitia vestra alleluiaTristitia vestra alleluia
  10. 🔍 37% Amen amen dico vobis iterumAmen amen dico vobis iterum
  11. 🔍 36% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  12. 🔍 36% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  13. 🔍 36% Alleluia (mode 8)Alleluia (mode 8)
  14. 🔍 34% Vado ad eum... sed quiaVado ad eum... sed quia
  15. 🔍 34% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  16. 🔍 34% AscendoAscendo
  17. 🔍 34% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  18. 🔍 34% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  19. 🔍 34% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  20. 🔍 33% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  21. 🔍 33% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  22. 🔍 33% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  23. 🔍 33% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  24. 🔍 32% Amen... dico... quiaAmen... dico... quia
  25. 🔍 32% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  26. 🔍 32% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  27. 🔍 32% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  28. 🔍 32% Alleluia (mode 8)Alleluia (mode 8)
  29. 🔍 32% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  30. 🔍 32% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  31. 🔍 31% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  32. 🔍 31% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  33. 🔍 31% Repleti suntRepleti sunt
  34. 🔍 31% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  35. 🔍 31% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  36. 🔍 31% Alleluia. Dom. LaudAlleluia. Dom. Laud
  37. 🔍 31% Sancta... semper... allel.Sancta... semper... allel.
  38. 🔍 31% Non vos relinquamNon vos relinquam
  39. 🔍 30% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  40. 🔍 30% Ascendo ad PatremAscendo ad Patrem
  41. 🔍 30% Iterum autem videboIterum autem videbo
  42. 🔍 30% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  43. 🔍 30% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  44. 🔍 30% Vado ad eum ... sed quiaVado ad eum ... sed quia
  45. 🔍 30% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  46. 🔍 30% Si diligitis meSi diligitis me
  47. 🔍 30% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  48. 🔍 29% Alleluia laudate DominumAlleluia laudate Dominum
  49. 🔍 29% AlleluiaAlleluia
  50. 🔍 29% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  51. 🔍 29% Jubilate DeoJubilate Deo
  52. 🔍 29% In medio EcclesiaeIn medio Ecclesiae
  53. 🔍 29% Veni Sancte Spiritus repleVeni Sancte Spiritus reple
  54. 🔍 29% Non turbetur corNon turbetur cor
  55. 🔍 29% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  56. 🔍 29% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  57. 🔍 29% Alleluia Lapis revolutusAlleluia Lapis revolutus
  58. 🔍 28% Spiritus DominiSpiritus Domini
  59. 🔍 28% Puer natus in BethlehemPuer natus in Bethlehem
  60. 🔍 28% Si manseritis in meSi manseritis in me
  61. 🔍 28% AccipiteAccipite
  62. 🔍 28% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  63. 🔍 28% Alleluia Dominus regnavitAlleluia Dominus regnavit
  64. 🔍 28% Amavit eum... allelAmavit eum... allel
  65. 🔍 28% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)