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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Aurora Jam Spargit PolumAurora Jam Spargit Polum
  2. πŸ” 90% Aurora Jam Spargit PolumAurora Jam Spargit Polum
  3. πŸ” 90% Aurora Jam Spargit PolumAurora Jam Spargit Polum
  4. πŸ” 54% Aurora Jam Spargit PolumAurora Jam Spargit Polum
  5. πŸ” 48% Aurora Jam Spargit Polum (aestivalis)Aurora Jam Spargit Polum (aestivalis)
  6. πŸ” 44% Aurora jam spargitAurora jam spargit
  7. πŸ” 44% Aurora Jam Spargit Polum (hiemalis)Aurora Jam Spargit Polum (hiemalis)
  8. πŸ” 30% Aurora iamAurora iam
  9. πŸ” 28% Aurora iamAurora iam
  10. πŸ” 27% Splendor paternae gloriaeSplendor paternae gloriae
  11. πŸ” 24% Ales diei nuntiusAles diei nuntius
  12. πŸ” 23% Lucis LargitorLucis Largitor
  13. πŸ” 23% Aeterne lucis conditorAeterne lucis conditor
  14. πŸ” 23% Splendor paternaeSplendor paternae
  15. πŸ” 23% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  16. πŸ” 23% Deus qui caeli lumen esDeus qui caeli lumen es
  17. πŸ” 22% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  18. πŸ” 22% Ales diei nuntiusAles diei nuntius
  19. πŸ” 22% Ecce jamEcce jam
  20. πŸ” 21% Nox et tenebraeNox et tenebrae
  21. πŸ” 21% Ecce jamEcce jam
  22. πŸ” 21% Fulgentis auctor aetherisFulgentis auctor aetheris
  23. πŸ” 20% Adesto rerum conditorAdesto rerum conditor
  24. πŸ” 20% Ecce jam venitEcce jam venit
  25. πŸ” 19% Nox et tenebrae (in Aestate)Nox et tenebrae (in Aestate)
  26. πŸ” 19% Ecce jam venitEcce jam venit
  27. πŸ” 19% Aeterna caeli gloriaAeterna caeli gloria
  28. πŸ” 19% Eterne rerumEterne rerum
  29. πŸ” 19% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  30. πŸ” 19% Jam lucis orto sidereJam lucis orto sidere
  31. πŸ” 18% Ecce jam venitEcce jam venit
  32. πŸ” 18% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  33. πŸ” 18% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  34. πŸ” 18% Jam lucis orto sidereJam lucis orto sidere
  35. πŸ” 18% Gentis redemptaeGentis redemptae
  36. πŸ” 18% Exsultavit SpiritusExsultavit Spiritus
  37. πŸ” 18% Lux ecce surgit aureaLux ecce surgit aurea
  38. πŸ” 18% Decus morumDecus morum
  39. πŸ” 18% Celsa potestasCelsa potestas
  40. πŸ” 18% Ecce jam venitEcce jam venit
  41. πŸ” 18% Jam ChristeJam Christe
  42. πŸ” 17% Deus qui claro lΓΊmineDeus qui claro lΓΊmine
  43. πŸ” 17% Lucis Creator optimeLucis Creator optime
  44. πŸ” 17% Jam ChristeJam Christe
  45. πŸ” 17% Lux ecce surgit (in Aestate)Lux ecce surgit (in Aestate)
  46. πŸ” 17% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  47. πŸ” 17% Aurora caelumAurora caelum
  48. πŸ” 17% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  49. πŸ” 17% Jam lucis orto sidereJam lucis orto sidere
  50. πŸ” 17% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  51. πŸ” 17% Cantemus cuncti melodumCantemus cuncti melodum
  52. πŸ” 16% Jam hiems transiitJam hiems transiit
  53. πŸ” 16% Nocte jam pulsaNocte jam pulsa
  54. πŸ” 16% Auxilium meumAuxilium meum
  55. πŸ” 16% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)
  56. πŸ” 16% Ecce jam noctisEcce jam noctis
  57. πŸ” 16% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  58. πŸ” 16% Jam lucis orto sidere (In Feriis et Fest. Simpl.)Jam lucis orto sidere (In Feriis et Fest. Simpl.)
  59. πŸ” 16% Jam lucis orto sidere (In Dom. et Minor. Festis)Jam lucis orto sidere (In Dom. et Minor. Festis)
  60. πŸ” 16% Iam lucis orto sidereIam lucis orto sidere
  61. πŸ” 16% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  62. πŸ” 16% Quis olimQuis olim
  63. πŸ” 16% Ales diei nuntiusAles diei nuntius
  64. πŸ” 16% Ecce quod concupiviEcce quod concupivi
  65. πŸ” 16% Jam lucis orto sidere (ord. Sund.)Jam lucis orto sidere (ord. Sund.)