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% Vir celse forma fulgidaVir celse forma fulgida
  2. 🔍 72% Iesu corona virginumIesu corona virginum
  3. 🔍 68% Apostolorum supparemApostolorum supparem
  4. 🔍 68% Agathae sacraeAgathae sacrae
  5. 🔍 65% Iesu corona virginumIesu corona virginum
  6. 🔍 47% Aeterne Rex altissimeAeterne Rex altissime
  7. 🔍 42% Qui lacrimatusQui lacrimatus
  8. 🔍 41% Aeterne Rex altissimeAeterne Rex altissime
  9. 🔍 40% Tibi Redemptor omniumTibi Redemptor omnium
  10. 🔍 40% Auctor salutisAuctor salutis
  11. 🔍 40% Verbum supernum prodiensVerbum supernum prodiens
  12. 🔍 39% Auctor salutis uniceAuctor salutis unice
  13. 🔍 39% Laetare caelum desuperLaetare caelum desuper
  14. 🔍 39% O lux beata CaelitumO lux beata Caelitum
  15. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  16. 🔍 38% O gente felix hospitaO gente felix hospita
  17. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  18. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  19. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  20. 🔍 37% Te CatharinaTe Catharina
  21. 🔍 37% Verbum supernum prodiensVerbum supernum prodiens
  22. 🔍 37% Credo VIICredo VII
  23. 🔍 37% Gloria IIIGloria III
  24. 🔍 37% Dicamus laudes (In festis)Dicamus laudes (In festis)
  25. 🔍 36% Verbum supernumVerbum supernum
  26. 🔍 35% Aeterne Rex altissimeAeterne Rex altissime
  27. 🔍 35% Certum tenentes (In festis)Certum tenentes (In festis)
  28. 🔍 35% O vos aethereiO vos aetherei
  29. 🔍 34% AdeamusAdeamus
  30. 🔍 34% Salvete Christi vulneraSalvete Christi vulnera
  31. 🔍 34% Christe caelorum DomineChriste caelorum Domine
  32. 🔍 34% Aeterne sol qui lumineAeterne sol qui lumine
  33. 🔍 34% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  34. 🔍 33% O nata lux de lumineO nata lux de lumine
  35. 🔍 33% O sola magnarum urbiumO sola magnarum urbium
  36. 🔍 33% Ternis horarum (In festis)Ternis horarum (In festis)
  37. 🔍 33% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  38. 🔍 32% Magno receptans pectoreMagno receptans pectore
  39. 🔍 32% A solis ortusA solis ortus
  40. 🔍 32% Christe redemptor omnium conservaChriste redemptor omnium conserva
  41. 🔍 32% Exsultet jam AngelicaExsultet jam Angelica
  42. 🔍 32% Gloria I.Gloria I.
  43. 🔍 32% Lux alma Jesu mentiumLux alma Jesu mentium
  44. 🔍 32% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  45. 🔍 32% Te lucis ante terminum (In Festo Septem Dolorum BMV)Te lucis ante terminum (In Festo Septem Dolorum BMV)
  46. 🔍 32% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  47. 🔍 32% Aptata virgoAptata virgo
  48. 🔍 32% Verbum supernum prodiens a Verbum supernum prodiens a
  49. 🔍 32% Te lucis ante terminum (In Tempore Passionis)Te lucis ante terminum (In Tempore Passionis)
  50. 🔍 32% Iesu salvator saeculiIesu salvator saeculi
  51. 🔍 32% Verbum supernum prodiens aVerbum supernum prodiens a
  52. 🔍 32% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  53. 🔍 32% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  54. 🔍 31% Ecce dies venient (Resp.)Ecce dies venient (Resp.)
  55. 🔍 31% Audi benigneAudi benigne
  56. 🔍 31% Verbum supernum prodiens necVerbum supernum prodiens nec
  57. 🔍 31% Hostis HerodesHostis Herodes
  58. 🔍 31% Christe Redemptor omnium conservaChriste Redemptor omnium conserva
  59. 🔍 31% Rerum Deus tenax vigor (In Festis)Rerum Deus tenax vigor (In Festis)
  60. 🔍 31% Audi benigne ConditorAudi benigne Conditor
  61. 🔍 31% Audi benigne ConditorAudi benigne Conditor
  62. 🔍 31% Nunc tempusNunc tempus
  63. 🔍 31% Veni Redemptor gentiumVeni Redemptor gentium
  64. 🔍 31% Jesu Salvator saeculiJesu Salvator saeculi
  65. 🔍 31% O salutaris Hostia IO salutaris Hostia I