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% Nostras deprecationesNostras deprecationes
  2. 🔍 51% Nostras deprecationesNostras deprecationes
  3. 🔍 46% A periculisA periculis
  4. 🔍 45% Notum fecitNotum fecit
  5. 🔍 45% Puer natus in BethlehemPuer natus in Bethlehem
  6. 🔍 43% Per signum crucisPer signum crucis
  7. 🔍 42% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  8. 🔍 42% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  9. 🔍 42% Misericordia tuaMisericordia tua
  10. 🔍 42% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 42% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  12. 🔍 42% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  13. 🔍 42% Sit nomen DominiSit nomen Domini
  14. 🔍 42% Alleluia (mode 8)Alleluia (mode 8)
  15. 🔍 42% Alleluia (mode 8)Alleluia (mode 8)
  16. 🔍 41% Omnes GentesOmnes Gentes
  17. 🔍 41% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  18. 🔍 41% Exsurgat DeusExsurgat Deus
  19. 🔍 41% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  20. 🔍 41% Alleluia Omnes GentesAlleluia Omnes Gentes
  21. 🔍 41% Elevata estElevata est
  22. 🔍 40% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  23. 🔍 40% Sancta... semper... allel.Sancta... semper... allel.
  24. 🔍 40% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  25. 🔍 40% Ascendit DeusAscendit Deus
  26. 🔍 40% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  27. 🔍 40% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  28. 🔍 40% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  29. 🔍 40% Verbum caro factum estVerbum caro factum est
  30. 🔍 40% Repleti suntRepleti sunt
  31. 🔍 40% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  32. 🔍 40% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  33. 🔍 40% Qui me invenerit... allel.Qui me invenerit... allel.
  34. 🔍 39% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  35. 🔍 39% Laetamini in Domino... allel.Laetamini in Domino... allel.
  36. 🔍 39% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  37. 🔍 39% AlleluiaAlleluia
  38. 🔍 39% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  39. 🔍 39% Salus et gloria - mode IVSalus et gloria - mode IV
  40. 🔍 39% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  41. 🔍 39% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  42. 🔍 39% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  43. 🔍 39% Omnes de SabaOmnes de Saba
  44. 🔍 38% Benedictus es DomineBenedictus es Domine
  45. 🔍 38% Alleluia Lapis revolutusAlleluia Lapis revolutus
  46. 🔍 38% Ora pro nobis... allel.Ora pro nobis... allel.
  47. 🔍 38% Beati qui habitant... allel.Beati qui habitant... allel.
  48. 🔍 38% Salus et gloriaSalus et gloria
  49. 🔍 38% Magna est gloria... allel.Magna est gloria... allel.
  50. 🔍 38% Specie tua... allel.Specie tua... allel.
  51. 🔍 38% Verbo DominiVerbo Domini
  52. 🔍 38% Spiritus DominiSpiritus Domini
  53. 🔍 38% Ego dilecto meoEgo dilecto meo
  54. 🔍 38% Dominus vias suasDominus vias suas
  55. 🔍 38% Magnificate DominumMagnificate Dominum
  56. 🔍 38% Justi autem... allel.Justi autem... allel.
  57. 🔍 38% Exaltabo te... alleluiaExaltabo te... alleluia
  58. 🔍 38% Benedicamus PatremBenedicamus Patrem
  59. 🔍 38% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  60. 🔍 38% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  61. 🔍 38% In manus tuas... allel.In manus tuas... allel.
  62. 🔍 38% Ipse invocabit meIpse invocabit me
  63. 🔍 37% Salus et gloriaSalus et gloria
  64. 🔍 37% Salus et gloriaSalus et gloria
  65. 🔍 37% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)