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 paternae gloriaeSplendor paternae gloriae
  2. 🔍 94% Splendor paternaeSplendor paternae
  3. 🔍 93% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  4. 🔍 72% Splendor paternae gloriae (in Hieme)Splendor paternae gloriae (in Hieme)
  5. 🔍 70% Splendor paternaeSplendor paternae
  6. 🔍 55% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  7. 🔍 55% Ales diei nuntiusAles diei nuntius
  8. 🔍 55% Fulgentis auctor aetherisFulgentis auctor aetheris
  9. 🔍 55% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  10. 🔍 54% Aeterna caeli gloriaAeterna caeli gloria
  11. 🔍 53% Aeterne lucis conditorAeterne lucis conditor
  12. 🔍 53% Ales diei nuntiusAles diei nuntius
  13. 🔍 51% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  14. 🔍 50% Aurora Jam Spargit Polum (aestivalis)Aurora Jam Spargit Polum (aestivalis)
  15. 🔍 50% Aurora jam spargitAurora jam spargit
  16. 🔍 50% Adesto rerum conditorAdesto rerum conditor
  17. 🔍 49% Lucis LargitorLucis Largitor
  18. 🔍 48% 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. 🔍 44% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  23. 🔍 43% Lux ecce surgit aureaLux ecce surgit aurea
  24. 🔍 43% Iam lucis orto sidereIam lucis orto sidere
  25. 🔍 41% Jam Lucis Orto T.P.Jam Lucis Orto T.P.
  26. 🔍 41% Galli cantuGalli cantu
  27. 🔍 40% Gentis redemptaeGentis redemptae
  28. 🔍 40% Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)Amoris sensus erige (tonus ad laudes cycl. II, ubi prima celebratur)
  29. 🔍 40% Sanctorum meritisSanctorum meritis
  30. 🔍 39% Exsultet jam AngelicaExsultet jam Angelica
  31. 🔍 39% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  32. 🔍 38% Precemur omnes cernuiPrecemur omnes cernui
  33. 🔍 38% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  34. 🔍 38% Venite exsultemus DominoVenite exsultemus Domino
  35. 🔍 38% Dicamus laudes (In dominicis)Dicamus laudes (In dominicis)
  36. 🔍 37% Lux aeternaLux aeterna
  37. 🔍 37% Te beata sponsa ChristiTe beata sponsa Christi
  38. 🔍 37% Eterne rerumEterne rerum
  39. 🔍 37% Decus morumDecus morum
  40. 🔍 37% Corde natus ex ParentisCorde natus ex Parentis
  41. 🔍 37% Diei luce redditaDiei luce reddita
  42. 🔍 37% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  43. 🔍 36% Verbum supernum prodiens aVerbum supernum prodiens a
  44. 🔍 36% Jam ChristeJam Christe
  45. 🔍 36% Iam ChristeIam Christe
  46. 🔍 36% Pater NosterPater Noster
  47. 🔍 36% Rector potens (In Adventu)Rector potens (In Adventu)
  48. 🔍 36% Rector potens (In Adventu)Rector potens (In Adventu)
  49. 🔍 36% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  50. 🔍 35% Tibi Christe splendor PatrisTibi Christe splendor Patris
  51. 🔍 35% Salvete Christi vulneraSalvete Christi vulnera
  52. 🔍 35% Beata nobisBeata nobis
  53. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  54. 🔍 35% Verbum supernum prodiens a Verbum supernum prodiens a
  55. 🔍 35% Salvete Christi vulneraSalvete Christi vulnera
  56. 🔍 34% O lux beata CaelitumO lux beata Caelitum
  57. 🔍 34% O vos unanimesO vos unanimes
  58. 🔍 34% O lux beata CaelitumO lux beata Caelitum
  59. 🔍 34% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  60. 🔍 34% O lux beata CaelitumO lux beata Caelitum
  61. 🔍 34% Ex quo religioEx quo religio
  62. 🔍 34% O lux beata CaelitumO lux beata Caelitum
  63. 🔍 34% Eia festivisEia festivis
  64. 🔍 34% Aeterna caeli gloria (in Hieme)Aeterna caeli gloria (in Hieme)
  65. 🔍 33% Praefatio solemnior de Spiritu SanctoPraefatio solemnior de Spiritu Sancto