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% Sanguis Jesu ChristiSanguis Jesu Christi
  2. 🔍 64% Sanguis Jesu ChristiSanguis Jesu Christi
  3. 🔍 57% Sanguis Jesu ChristiSanguis Jesu Christi
  4. 🔍 49% Jesu Christe... allel.Jesu Christe... allel.
  5. 🔍 48% Christus dilexit nosChristus dilexit nos
  6. 🔍 44% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  7. 🔍 44% LoquebanturLoquebantur
  8. 🔍 43% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  9. 🔍 43% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  10. 🔍 43% Puer natus in BethlehemPuer natus in Bethlehem
  11. 🔍 43% Alleluia (mode 8)Alleluia (mode 8)
  12. 🔍 43% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  13. 🔍 43% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  14. 🔍 43% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  15. 🔍 43% Alleluia (mode 8)Alleluia (mode 8)
  16. 🔍 42% Notum fecitNotum fecit
  17. 🔍 42% AlleluiaAlleluia
  18. 🔍 42% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  19. 🔍 42% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  20. 🔍 42% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  21. 🔍 42% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  22. 🔍 41% Benedicamus PatremBenedicamus Patrem
  23. 🔍 41% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  24. 🔍 41% Elevata estElevata est
  25. 🔍 41% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  26. 🔍 41% Omnes GentesOmnes Gentes
  27. 🔍 40% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  28. 🔍 40% Sancta... semper... allel.Sancta... semper... allel.
  29. 🔍 40% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  30. 🔍 40% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  31. 🔍 40% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  32. 🔍 40% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  33. 🔍 40% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  34. 🔍 40% Sancta Maria... allel.Sancta Maria... allel.
  35. 🔍 40% LoquebanturLoquebantur
  36. 🔍 40% Gloria et honore... allel.Gloria et honore... allel.
  37. 🔍 40% Alleluia Lapis revolutusAlleluia Lapis revolutus
  38. 🔍 40% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  39. 🔍 40% Repleti suntRepleti sunt
  40. 🔍 40% Redemisti nos Domine (Resp Br)Redemisti nos Domine (Resp Br)
  41. 🔍 40% Exaltabo te... alleluiaExaltabo te... alleluia
  42. 🔍 39% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  43. 🔍 39% Ora pro nobis... allel.Ora pro nobis... allel.
  44. 🔍 39% Salus et gloriaSalus et gloria
  45. 🔍 39% Ipse invocabit meIpse invocabit me
  46. 🔍 39% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  47. 🔍 39% Magnificate DominumMagnificate Dominum
  48. 🔍 39% Omnes de SabaOmnes de Saba
  49. 🔍 39% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  50. 🔍 39% Justi autem... allel.Justi autem... allel.
  51. 🔍 39% Alleluia. Dom. LaudAlleluia. Dom. Laud
  52. 🔍 39% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  53. 🔍 38% Misericordia tuaMisericordia tua
  54. 🔍 38% Ego dilecto meoEgo dilecto meo
  55. 🔍 38% DefeceruntDefecerunt
  56. 🔍 38% Anima... liquefactaAnima... liquefacta
  57. 🔍 38% Ascendit DeusAscendit Deus
  58. 🔍 38% Alleluia Omnes GentesAlleluia Omnes Gentes
  59. 🔍 38% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  60. 🔍 38% Dominus vias suasDominus vias suas
  61. 🔍 38% Sit nomen DominiSit nomen Domini
  62. 🔍 38% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  63. 🔍 38% Salus et gloria - mode IVSalus et gloria - mode IV
  64. 🔍 38% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  65. 🔍 38% Benedictus es DomineBenedictus es Domine