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% Splendor paternaeSplendor paternae
  2. 🔍 97% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  3. 🔍 94% Splendor paternae gloriaeSplendor paternae gloriae
  4. 🔍 75% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  5. 🔍 74% Splendor paternaeSplendor paternae
  6. 🔍 55% Aeterna caeli gloriaAeterna caeli gloria
  7. 🔍 54% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  8. 🔍 54% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  9. 🔍 53% Fulgentis auctor aetherisFulgentis auctor aetheris
  10. 🔍 53% Ales diei nuntiusAles diei nuntius
  11. 🔍 52% Ales diei nuntiusAles diei nuntius
  12. 🔍 52% Aeterne lucis conditorAeterne lucis conditor
  13. 🔍 51% Adesto rerum conditorAdesto rerum conditor
  14. 🔍 50% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  15. 🔍 49% Lucis LargitorLucis Largitor
  16. 🔍 49% Aurora Jam Spargit Polum (aestivalis)Aurora Jam Spargit Polum (aestivalis)
  17. 🔍 49% Aurora jam spargitAurora jam spargit
  18. 🔍 47% Nox et tenebraeNox et tenebrae
  19. 🔍 47% Deus qui caeli lumen esDeus qui caeli lumen es
  20. 🔍 47% Lux ecce surgit (in Aestate)Lux ecce surgit (in Aestate)
  21. 🔍 45% Nox et tenebrae (in Aestate)Nox et tenebrae (in Aestate)
  22. 🔍 45% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  23. 🔍 44% Lux ecce surgit aureaLux ecce surgit aurea
  24. 🔍 42% Iam lucis orto sidereIam lucis orto sidere
  25. 🔍 41% Gentis redemptaeGentis redemptae
  26. 🔍 40% Sanctorum meritisSanctorum meritis
  27. 🔍 40% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  28. 🔍 39% Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)
  29. 🔍 39% Te beata sponsa ChristiTe beata sponsa Christi
  30. 🔍 39% Galli cantuGalli cantu
  31. 🔍 39% Exsultet jam AngelicaExsultet jam Angelica
  32. 🔍 39% Dicamus laudes (In dominicis)Dicamus laudes (In dominicis)
  33. 🔍 39% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  34. 🔍 38% Venite exsultemus DominoVenite exsultemus Domino
  35. 🔍 38% Diei luce redditaDiei luce reddita
  36. 🔍 38% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  37. 🔍 38% Corde natus ex ParentisCorde natus ex Parentis
  38. 🔍 38% Precemur omnes cernuiPrecemur omnes cernui
  39. 🔍 37% Eterne rerumEterne rerum
  40. 🔍 37% Tibi Christe splendor PatrisTibi Christe splendor Patris
  41. 🔍 37% Verbum supernum prodiens aVerbum supernum prodiens a
  42. 🔍 37% Rector potens (In Adventu)Rector potens (In Adventu)
  43. 🔍 37% Rector potens (In Adventu)Rector potens (In Adventu)
  44. 🔍 37% Decus morumDecus morum
  45. 🔍 36% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  46. 🔍 36% Jam ChristeJam Christe
  47. 🔍 36% Verbum supernum prodiens a Verbum supernum prodiens a
  48. 🔍 36% Iam ChristeIam Christe
  49. 🔍 36% Salvete Christi vulneraSalvete Christi vulnera
  50. 🔍 36% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  51. 🔍 36% Lux aeternaLux aeterna
  52. 🔍 36% Beata nobisBeata nobis
  53. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  54. 🔍 35% Salvete Christi vulneraSalvete Christi vulnera
  55. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  56. 🔍 35% Nunc tempusNunc tempus
  57. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  58. 🔍 34% O lux beata CaelitumO lux beata Caelitum
  59. 🔍 34% O lux beata CaelitumO lux beata Caelitum
  60. 🔍 34% O vos unanimesO vos unanimes
  61. 🔍 34% Praefatio solemnior de sancto Joanne BaptistaPraefatio solemnior de sancto Joanne Baptista
  62. 🔍 34% Ex quo religioEx quo religio
  63. 🔍 34% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  64. 🔍 33% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  65. 🔍 33% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)