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% Lux ecce surgit (in Aestate)Lux ecce surgit (in Aestate)
  2. 🔍 83% Lux ecce surgit (in Hieme)Lux ecce surgit (in Hieme)
  3. 🔍 75% Lux ecce surgit aureaLux ecce surgit aurea
  4. 🔍 62% Sol ecce surgitSol ecce surgit
  5. 🔍 50% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  6. 🔍 50% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  7. 🔍 48% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  8. 🔍 48% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  9. 🔍 47% Splendor paternaeSplendor paternae
  10. 🔍 47% Splendor paternae gloriaeSplendor paternae gloriae
  11. 🔍 47% Nox et tenebrae (in Aestate)Nox et tenebrae (in Aestate)
  12. 🔍 46% Fulgentis auctor aetherisFulgentis auctor aetheris
  13. 🔍 45% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  14. 🔍 44% Aeterne lucis conditorAeterne lucis conditor
  15. 🔍 43% Ales diei nuntiusAles diei nuntius
  16. 🔍 43% Aeterna caeli gloriaAeterna caeli gloria
  17. 🔍 41% Lucis LargitorLucis Largitor
  18. 🔍 41% Ales diei nuntiusAles diei nuntius
  19. 🔍 41% Deus qui caeli lumen esDeus qui caeli lumen es
  20. 🔍 41% Adesto rerum conditorAdesto rerum conditor
  21. 🔍 40% Aurora Jam Spargit Polum (aestivalis)Aurora Jam Spargit Polum (aestivalis)
  22. 🔍 40% Sanctorum meritisSanctorum meritis
  23. 🔍 40% Nox et tenebraeNox et tenebrae
  24. 🔍 37% Iam lucis orto sidereIam lucis orto sidere
  25. 🔍 36% Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)
  26. 🔍 36% O vos unanimesO vos unanimes
  27. 🔍 36% Venite exsultemus DominoVenite exsultemus Domino
  28. 🔍 35% Eterne rerumEterne rerum
  29. 🔍 35% Aurora jam spargitAurora jam spargit
  30. 🔍 35% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  31. 🔍 35% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  32. 🔍 35% Lux aeternaLux aeterna
  33. 🔍 34% Decus morumDecus morum
  34. 🔍 34% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  35. 🔍 34% Gentis redemptaeGentis redemptae
  36. 🔍 34% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  37. 🔍 34% Exsultet jam AngelicaExsultet jam Angelica
  38. 🔍 33% Diei luce redditaDiei luce reddita
  39. 🔍 33% Ex quo religioEx quo religio
  40. 🔍 33% Precemur omnes cernuiPrecemur omnes cernui
  41. 🔍 33% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  42. 🔍 32% Jam ChristeJam Christe
  43. 🔍 32% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  44. 🔍 32% Iam ChristeIam Christe
  45. 🔍 32% Rector potens (In Adventu)Rector potens (In Adventu)
  46. 🔍 32% Rector potens (In Adventu)Rector potens (In Adventu)
  47. 🔍 32% Galli cantuGalli cantu
  48. 🔍 32% Praefatio solemnior de nuptiisPraefatio solemnior de nuptiis
  49. 🔍 32% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  50. 🔍 31% Praefatio solemnior de S. BenedictoPraefatio solemnior de S. Benedicto
  51. 🔍 31% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  52. 🔍 31% Praefatio solemnior de AngelisPraefatio solemnior de Angelis
  53. 🔍 31% Bernardinum qui divinum.Bernardinum qui divinum.
  54. 🔍 31% Audi benigne conditorAudi benigne conditor
  55. 🔍 31% Verbum supernum prodiens aVerbum supernum prodiens a
  56. 🔍 31% Audi benigne Conditor Audi benigne Conditor
  57. 🔍 31% Pater NosterPater Noster
  58. 🔍 31% Praefatio solemnior de sanctissima EucharistiaPraefatio solemnior de sanctissima Eucharistia
  59. 🔍 30% Praefatio solemnior de sancto Ioseph Sponso B. M. V.Praefatio solemnior de sancto Ioseph Sponso B. M. V.
  60. 🔍 30% Praefatio solemnior de Omnibus Sanctis et PatronisPraefatio solemnior de Omnibus Sanctis et Patronis
  61. 🔍 30% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  62. 🔍 30% Te beata sponsa ChristiTe beata sponsa Christi
  63. 🔍 30% Verbum supernum prodiens a Verbum supernum prodiens a
  64. 🔍 30% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  65. 🔍 30% Praefatio solemnior de Nativitate DominiPraefatio solemnior de Nativitate Domini