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% Nonne sic oportuitNonne sic oportuit
  2. 🔍 78% Nonne sic oportuitNonne sic oportuit
  3. 🔍 69% Nonne sic oportuitNonne sic oportuit
  4. 🔍 69% Nonne sic oportuitNonne sic oportuit
  5. 🔍 65% Nonne sic oportuitNonne sic oportuit
  6. 🔍 53% Nonne sicNonne sic
  7. 🔍 33% Qui sunt hi sermonesQui sunt hi sermones
  8. 🔍 30% Stetit JesusStetit Jesus
  9. 🔍 29% Nonne decemNonne decem
  10. 🔍 29% Dabo in SionDabo in Sion
  11. 🔍 28% Sic benedicam teSic benedicam te
  12. 🔍 27% Sic Deus dilexitSic Deus dilexit
  13. 🔍 26% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  14. 🔍 26% Nos autem gloriariNos autem gloriari
  15. 🔍 26% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  16. 🔍 26% Jesu Christe... allel.Jesu Christe... allel.
  17. 🔍 25% Fili quid fecisti (Ant.)Fili quid fecisti (Ant.)
  18. 🔍 25% Sic eum volo manereSic eum volo manere
  19. 🔍 25% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  20. 🔍 25% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  21. 🔍 25% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  22. 🔍 25% Alleluia faciem tuamAlleluia faciem tuam
  23. 🔍 25% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  24. 🔍 25% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  25. 🔍 25% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  26. 🔍 25% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  27. 🔍 25% Deus omnipotensDeus omnipotens
  28. 🔍 25% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  29. 🔍 25% Gloria et honore... allel.Gloria et honore... allel.
  30. 🔍 25% Sancta Maria... allel.Sancta Maria... allel.
  31. 🔍 25% Non omnisNon omnis
  32. 🔍 25% Magna est gloria... allel.Magna est gloria... allel.
  33. 🔍 25% Tuam coronamTuam coronam
  34. 🔍 25% Christus dilexit nosChristus dilexit nos
  35. 🔍 25% Dixit Mater ejusDixit Mater ejus
  36. 🔍 24% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  37. 🔍 24% Serve nequamServe nequam
  38. 🔍 24% Specie tua... allel.Specie tua... allel.
  39. 🔍 24% Secundum misericordiamSecundum misericordiam
  40. 🔍 24% Justum deduxit... allel.Justum deduxit... allel.
  41. 🔍 24% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  42. 🔍 24% In medio EcclesiaeIn medio Ecclesiae
  43. 🔍 24% Alleluia. Dom. LaudAlleluia. Dom. Laud
  44. 🔍 24% Cum autem complacuitCum autem complacuit
  45. 🔍 24% Notum fecitNotum fecit
  46. 🔍 24% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  47. 🔍 24% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  48. 🔍 24% Posuit mePosuit me
  49. 🔍 24% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  50. 🔍 24% Ne timeasNe timeas
  51. 🔍 23% Adoramus te Christe (Resp Br.)Adoramus te Christe (Resp Br.)
  52. 🔍 23% Alleluia laudate DominumAlleluia laudate Dominum
  53. 🔍 23% In hoc cognoviIn hoc cognovi
  54. 🔍 23% Fac cum servoFac cum servo
  55. 🔍 23% Ascendit DeusAscendit Deus
  56. 🔍 23% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  57. 🔍 23% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  58. 🔍 23% In velamento clamabuntIn velamento clamabunt
  59. 🔍 23% Ite et vosIte et vos
  60. 🔍 23% Alleluia confiteminiAlleluia confitemini
  61. 🔍 23% Domine non estDomine non est
  62. 🔍 23% Si manseritis in meSi manseritis in me
  63. 🔍 23% Repleti suntRepleti sunt
  64. 🔍 23% Elegit eam Deus... allel.Elegit eam Deus... allel.
  65. 🔍 23% Ave MariaAve Maria