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