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% Post dies octoPost dies octo
  2. 🔍 78% Post dies octo januisPost dies octo januis
  3. 🔍 75% Post dies octoPost dies octo
  4. 🔍 74% Post dies octoPost dies octo
  5. 🔍 67% Post dies octoPost dies octo
  6. 🔍 44% Post dies octoPost dies octo
  7. 🔍 38% Stetit JesusStetit Jesus
  8. 🔍 37% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  9. 🔍 36% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  10. 🔍 35% AlleluiaAlleluia
  11. 🔍 35% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  12. 🔍 35% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  13. 🔍 35% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  14. 🔍 35% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  15. 🔍 34% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  16. 🔍 34% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  17. 🔍 34% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  18. 🔍 34% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  19. 🔍 34% Alleluia (mode 8)Alleluia (mode 8)
  20. 🔍 33% Alleluia Lapis revolutusAlleluia Lapis revolutus
  21. 🔍 33% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  22. 🔍 33% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  23. 🔍 33% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  24. 🔍 33% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  25. 🔍 32% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  26. 🔍 32% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  27. 🔍 32% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  28. 🔍 32% Alleluia (mode 8)Alleluia (mode 8)
  29. 🔍 32% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  30. 🔍 32% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  31. 🔍 32% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  32. 🔍 31% Alleluia. Dom. LaudAlleluia. Dom. Laud
  33. 🔍 31% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  34. 🔍 31% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  35. 🔍 31% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  36. 🔍 31% ResurrexitResurrexit
  37. 🔍 31% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  38. 🔍 31% Gloria in excelsisGloria in excelsis
  39. 🔍 31% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  40. 🔍 31% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  41. 🔍 30% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  42. 🔍 30% Stetit Jesus in medioStetit Jesus in medio
  43. 🔍 30% Stetit JesusStetit Jesus
  44. 🔍 30% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  45. 🔍 30% Alleluia laudate DominumAlleluia laudate Dominum
  46. 🔍 30% Alleluia (ant.)Alleluia (ant.)
  47. 🔍 30% Alleluia (ant.)Alleluia (ant.)
  48. 🔍 30% Alleluia faciem tuamAlleluia faciem tuam
  49. 🔍 29% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  50. 🔍 29% Cum esset seroCum esset sero
  51. 🔍 29% Alleluia Dominus regnavitAlleluia Dominus regnavit
  52. 🔍 29% Puer natus in BethlehemPuer natus in Bethlehem
  53. 🔍 29% Alleluia confiteminiAlleluia confitemini
  54. 🔍 29% Alleluia panisAlleluia panis
  55. 🔍 29% Gustate et videteGustate et videte
  56. 🔍 29% Alleluia verbum caroAlleluia verbum caro
  57. 🔍 28% Alleluia deduc meAlleluia deduc me
  58. 🔍 28% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  59. 🔍 28% Alleluia Omnes GentesAlleluia Omnes Gentes
  60. 🔍 28% Post dies octoPost dies octo
  61. 🔍 28% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  62. 🔍 28% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  63. 🔍 28% Pax VobisPax Vobis
  64. 🔍 28% Notum fecitNotum fecit
  65. 🔍 28% Alleluia (ant. mode 5)Alleluia (ant. mode 5)