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% LoquebanturLoquebantur
  2. 🔍 74% LoquebanturLoquebantur
  3. 🔍 62% LoquebanturLoquebantur
  4. 🔍 54% Loquebantur (Ant.)Loquebantur (Ant.)
  5. 🔍 53% LoquebanturLoquebantur
  6. 🔍 52% Loquebantur (Ant.)Loquebantur (Ant.)
  7. 🔍 50% Loquebantur variisLoquebantur variis
  8. 🔍 50% Repleti suntRepleti sunt
  9. 🔍 46% Anima... liquefactaAnima... liquefacta
  10. 🔍 46% Elevata estElevata est
  11. 🔍 45% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  12. 🔍 45% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  13. 🔍 44% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  14. 🔍 44% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  15. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  16. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  17. 🔍 44% Puer natus in BethlehemPuer natus in Bethlehem
  18. 🔍 44% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  19. 🔍 44% Sanguis Jesu ChristiSanguis Jesu Christi
  20. 🔍 44% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  21. 🔍 43% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  22. 🔍 43% Notum fecitNotum fecit
  23. 🔍 43% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  24. 🔍 42% Omnes GentesOmnes Gentes
  25. 🔍 42% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  26. 🔍 42% Magna est gloria... allel.Magna est gloria... allel.
  27. 🔍 42% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  28. 🔍 42% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  29. 🔍 42% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  30. 🔍 42% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  31. 🔍 41% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  32. 🔍 41% AlleluiaAlleluia
  33. 🔍 41% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  34. 🔍 41% Data est mihiData est mihi
  35. 🔍 41% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  36. 🔍 41% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  37. 🔍 41% Alleluia Lapis revolutusAlleluia Lapis revolutus
  38. 🔍 41% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  39. 🔍 41% Redemisti nos Domine (Resp Br)Redemisti nos Domine (Resp Br)
  40. 🔍 40% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  41. 🔍 40% Salus et gloriaSalus et gloria
  42. 🔍 40% Alleluia Omnes GentesAlleluia Omnes Gentes
  43. 🔍 40% Posuit mePosuit me
  44. 🔍 40% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  45. 🔍 40% DefeceruntDefecerunt
  46. 🔍 40% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  47. 🔍 40% Omnes de SabaOmnes de Saba
  48. 🔍 40% Exsurgat DeusExsurgat Deus
  49. 🔍 40% Apparuerunt apostolisApparuerunt apostolis
  50. 🔍 40% Verbo DominiVerbo Domini
  51. 🔍 40% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  52. 🔍 40% Ego dilecto meoEgo dilecto meo
  53. 🔍 39% Ascendit DeusAscendit Deus
  54. 🔍 39% Amavit eum... allelAmavit eum... allel
  55. 🔍 39% Alleluia. Dom. LaudAlleluia. Dom. Laud
  56. 🔍 39% Benedictus es DomineBenedictus es Domine
  57. 🔍 39% Misericordia tuaMisericordia tua
  58. 🔍 39% Magnificate DominumMagnificate Dominum
  59. 🔍 39% Deus omnipotensDeus omnipotens
  60. 🔍 39% Salus et gloria - mode IVSalus et gloria - mode IV
  61. 🔍 39% Ipse invocabit meIpse invocabit me
  62. 🔍 39% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  63. 🔍 39% Sit nomen DominiSit nomen Domini
  64. 🔍 39% Qui me invenerit... allel.Qui me invenerit... allel.
  65. 🔍 39% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I