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% Lux ecce surgit aureaLux ecce surgit aurea
  2. 🔍 75% Lux ecce surgit (in Aestate)Lux ecce surgit (in Aestate)
  3. 🔍 60% Lux ecce surgit (in Hieme)Lux ecce surgit (in Hieme)
  4. 🔍 57% Sol ecce surgitSol ecce surgit
  5. 🔍 48% Aeterna caeli gloriaAeterna caeli gloria
  6. 🔍 47% Nox et tenebraeNox et tenebrae
  7. 🔍 44% Splendor paternaeSplendor paternae
  8. 🔍 43% Splendor paternae gloriaeSplendor paternae gloriae
  9. 🔍 43% Ales diei nuntiusAles diei nuntius
  10. 🔍 43% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  11. 🔍 42% Aurora jam spargitAurora jam spargit
  12. 🔍 42% Aeterne lucis conditorAeterne lucis conditor
  13. 🔍 40% Fulgentis auctor aetherisFulgentis auctor aetheris
  14. 🔍 39% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  15. 🔍 39% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  16. 🔍 38% Ales diei nuntiusAles diei nuntius
  17. 🔍 38% Nox et tenebrae (in Aestate)Nox et tenebrae (in Aestate)
  18. 🔍 38% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  19. 🔍 37% Adesto rerum conditorAdesto rerum conditor
  20. 🔍 36% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  21. 🔍 36% Lucis LargitorLucis Largitor
  22. 🔍 36% Deus qui caeli lumen esDeus qui caeli lumen es
  23. 🔍 35% Aurora Jam Spargit Polum (aestivalis)Aurora Jam Spargit Polum (aestivalis)
  24. 🔍 33% Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)
  25. 🔍 33% Venite exsultemus DominoVenite exsultemus Domino
  26. 🔍 32% Iam lucis orto sidereIam lucis orto sidere
  27. 🔍 32% Lux aeternaLux aeterna
  28. 🔍 31% Salvete Christi vulneraSalvete Christi vulnera
  29. 🔍 31% Decus morumDecus morum
  30. 🔍 31% Precemur omnes cernuiPrecemur omnes cernui
  31. 🔍 31% Jam lucis orto sidere (In Dom. et Minor. Festis)Jam lucis orto sidere (In Dom. et Minor. Festis)
  32. 🔍 30% Jam lucis orto sidere (In Feriis et Fest. Simpl.)Jam lucis orto sidere (In Feriis et Fest. Simpl.)
  33. 🔍 30% Iam ChristeIam Christe
  34. 🔍 30% Sanctorum meritisSanctorum meritis
  35. 🔍 30% Gentis redemptaeGentis redemptae
  36. 🔍 30% Jam ChristeJam Christe
  37. 🔍 30% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  38. 🔍 30% Eterne rerumEterne rerum
  39. 🔍 30% Diei luce redditaDiei luce reddita
  40. 🔍 29% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  41. 🔍 29% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  42. 🔍 29% Galli cantuGalli cantu
  43. 🔍 29% O vos unanimesO vos unanimes
  44. 🔍 29% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  45. 🔍 28% Beata nobisBeata nobis
  46. 🔍 28% O lux beata CaelitumO lux beata Caelitum
  47. 🔍 28% O lux beata CaelitumO lux beata Caelitum
  48. 🔍 28% Rerum Deus (In Tempore Paschali)Rerum Deus (In Tempore Paschali)
  49. 🔍 28% Audi benigne conditorAudi benigne conditor
  50. 🔍 28% Ex quo religioEx quo religio
  51. 🔍 28% O sol salutis intimis (Alter tonus)O sol salutis intimis (Alter tonus)
  52. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  53. 🔍 28% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  54. 🔍 27% Venite exsultemus IVVenite exsultemus IV
  55. 🔍 27% Pater NosterPater Noster
  56. 🔍 27% Vidi aquamVidi aquam
  57. 🔍 27% Audi benigne Conditor Audi benigne Conditor
  58. 🔍 27% Nunc tempusNunc tempus
  59. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  60. 🔍 27% Salvete Christi vulneraSalvete Christi vulnera
  61. 🔍 27% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  62. 🔍 27% Te beata sponsa ChristiTe beata sponsa Christi
  63. 🔍 27% Primo die quo TrinitasPrimo die quo Trinitas
  64. 🔍 27% Vidi aquamVidi aquam
  65. 🔍 26% Audi Benigne ConditorAudi Benigne Conditor