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% Agathae sacraeAgathae sacrae
  2. 🔍 84% Apostolorum supparemApostolorum supparem
  3. 🔍 80% Iesu corona virginumIesu corona virginum
  4. 🔍 68% Vir celse forma fulgidaVir celse forma fulgida
  5. 🔍 67% Iesu corona virginumIesu corona virginum
  6. 🔍 62% Aeterne Rex altissimeAeterne Rex altissime
  7. 🔍 49% Summi largitor praemiiSummi largitor praemii
  8. 🔍 44% Illuminans AltissimusIlluminans Altissimus
  9. 🔍 42% Ad coenamAd coenam
  10. 🔍 41% Aeterne Rex altissimeAeterne Rex altissime
  11. 🔍 39% Veni Creator SpiritusVeni Creator Spiritus
  12. 🔍 39% Tibi Redemptor omniumTibi Redemptor omnium
  13. 🔍 38% Verbum supernum prodiensVerbum supernum prodiens
  14. 🔍 37% Optatus votisOptatus votis
  15. 🔍 37% Auctor salutis uniceAuctor salutis unice
  16. 🔍 36% Qui lacrimatusQui lacrimatus
  17. 🔍 36% Auctor salutisAuctor salutis
  18. 🔍 36% Post Petrum primumPost Petrum primum
  19. 🔍 36% Agnes beatae virginisAgnes beatae virginis
  20. 🔍 36% Christum rogemusChristum rogemus
  21. 🔍 36% O lux beata CaelitumO lux beata Caelitum
  22. 🔍 36% O lux beata CaelitumO lux beata Caelitum
  23. 🔍 35% Aeterne Rex altissimeAeterne Rex altissime
  24. 🔍 35% Verbum supernum prodiensVerbum supernum prodiens
  25. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  26. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  28. 🔍 35% O quam glorificaO quam glorifica
  29. 🔍 34% Te CatharinaTe Catharina
  30. 🔍 34% Verbum supernumVerbum supernum
  31. 🔍 34% Jam Christus astraJam Christus astra
  32. 🔍 34% O gente felix hospitaO gente felix hospita
  33. 🔍 34% Certum tenentes (In festis)Certum tenentes (In festis)
  34. 🔍 34% Credo VIICredo VII
  35. 🔍 34% Mysterium EcclesiaeMysterium Ecclesiae
  36. 🔍 33% Sanctorum meritisSanctorum meritis
  37. 🔍 33% Dicamus laudes (In festis)Dicamus laudes (In festis)
  38. 🔍 33% Iesu nostra redemptioIesu nostra redemptio
  39. 🔍 33% Verbum supernum prodiens aVerbum supernum prodiens a
  40. 🔍 33% Gloria IIIGloria III
  41. 🔍 33% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  42. 🔍 33% Ternis horarum (In festis)Ternis horarum (In festis)
  43. 🔍 33% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  44. 🔍 33% Verbum supernum prodiens a Verbum supernum prodiens a
  45. 🔍 32% Audi benigneAudi benigne
  46. 🔍 32% Iesu Salvator saeculiIesu Salvator saeculi
  47. 🔍 32% AdeamusAdeamus
  48. 🔍 31% Lux alma Jesu mentiumLux alma Jesu mentium
  49. 🔍 31% Ave maris stellaAve maris stella
  50. 🔍 31% Laetare caelum desuperLaetare caelum desuper
  51. 🔍 31% Vexilla RegisVexilla Regis
  52. 🔍 31% Audi benigne ConditorAudi benigne Conditor
  53. 🔍 31% Aeterne sol qui lumineAeterne sol qui lumine
  54. 🔍 31% Salvete Christi vulneraSalvete Christi vulnera
  55. 🔍 31% Audi benigne ConditorAudi benigne Conditor
  56. 🔍 31% Audi benigne ConditorAudi benigne Conditor
  57. 🔍 31% Aptata virgoAptata virgo
  58. 🔍 31% Christe Redemptor omnium conservaChriste Redemptor omnium conserva
  59. 🔍 30% Te lucis ante terminum (In Festo Septem Dolorum BMV)Te lucis ante terminum (In Festo Septem Dolorum BMV)
  60. 🔍 30% Christe redemptor omnium conservaChriste redemptor omnium conserva
  61. 🔍 30% A solis ortusA solis ortus
  62. 🔍 30% Audi benigne ConditorAudi benigne Conditor
  63. 🔍 30% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  64. 🔍 30% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  65. 🔍 30% Rerum Deus (In Adventu)Rerum Deus (In Adventu)