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% Auctor salutis uniceAuctor salutis unice
  2. 🔍 92% Auctor salutisAuctor salutis
  3. 🔍 56% Tibi Redemptor omniumTibi Redemptor omnium
  4. 🔍 52% Qui lacrimatusQui lacrimatus
  5. 🔍 47% Aeterne Rex altissimeAeterne Rex altissime
  6. 🔍 47% Laetare caelum desuperLaetare caelum desuper
  7. 🔍 46% Verbum supernum prodiens aVerbum supernum prodiens a
  8. 🔍 46% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  9. 🔍 46% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  10. 🔍 45% Te lucis ante terminum (In Tempore Passionis)Te lucis ante terminum (In Tempore Passionis)
  11. 🔍 45% Verbum supernum prodiensVerbum supernum prodiens
  12. 🔍 45% Dicamus laudes (In festis)Dicamus laudes (In festis)
  13. 🔍 45% Christe caelorum DomineChriste caelorum Domine
  14. 🔍 45% Verbum supernum prodiens a Verbum supernum prodiens a
  15. 🔍 44% Rerum Deus (In Festis Majoribus)Rerum Deus (In Festis Majoribus)
  16. 🔍 44% Rerum Deus tenax vigor (In Festis)Rerum Deus tenax vigor (In Festis)
  17. 🔍 44% Te lucis ante terminum (In Festo Septem Dolorum BMV)Te lucis ante terminum (In Festo Septem Dolorum BMV)
  18. 🔍 44% Rector potens (In Adventu)Rector potens (In Adventu)
  19. 🔍 44% Rector potens (In Adventu)Rector potens (In Adventu)
  20. 🔍 43% O lux beata CaelitumO lux beata Caelitum
  21. 🔍 43% O lux beata CaelitumO lux beata Caelitum
  22. 🔍 42% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  23. 🔍 42% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  24. 🔍 42% O lux beata CaelitumO lux beata Caelitum
  25. 🔍 42% O lux beata CaelitumO lux beata Caelitum
  26. 🔍 42% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 42% Certum tenentes (In festis)Certum tenentes (In festis)
  28. 🔍 42% Rector potens (In Festis Majoribus)Rector potens (In Festis Majoribus)
  29. 🔍 42% Audi benigne ConditorAudi benigne Conditor
  30. 🔍 42% Audi benigne ConditorAudi benigne Conditor
  31. 🔍 42% Audi benigne ConditorAudi benigne Conditor
  32. 🔍 42% O gente felix hospitaO gente felix hospita
  33. 🔍 41% Verbum supernum prodiensVerbum supernum prodiens
  34. 🔍 41% Ternis horarum (In festis)Ternis horarum (In festis)
  35. 🔍 41% Exsultet jam AngelicaExsultet jam Angelica
  36. 🔍 41% Inclina cor meumInclina cor meum
  37. 🔍 41% Salvete Christi vulneraSalvete Christi vulnera
  38. 🔍 40% Nunc Sancte nobis (in Festis Majoribus)Nunc Sancte nobis (in Festis Majoribus)
  39. 🔍 40% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  40. 🔍 40% Rector potens verax Deus (In Festis)Rector potens verax Deus (In Festis)
  41. 🔍 40% Audi benigneAudi benigne
  42. 🔍 39% Vir celse forma fulgidaVir celse forma fulgida
  43. 🔍 39% Rector potens(In Festis Majoribus)Rector potens(In Festis Majoribus)
  44. 🔍 39% Jesu dulcis memoria!Jesu dulcis memoria!
  45. 🔍 38% Dei fideDei fide
  46. 🔍 38% Rerum Deus (In Tempore Passionis)Rerum Deus (In Tempore Passionis)
  47. 🔍 38% Aeterne Rex altissimeAeterne Rex altissime
  48. 🔍 38% Te CatharinaTe Catharina
  49. 🔍 38% Martyr Dei, qui unicumMartyr Dei, qui unicum
  50. 🔍 38% Gloria VGloria V
  51. 🔍 38% Audi benigne Conditor Audi benigne Conditor
  52. 🔍 38% Iesu corona virginumIesu corona virginum
  53. 🔍 38% Te beata sponsa ChristiTe beata sponsa Christi
  54. 🔍 37% Martyr Dei qui unicumMartyr Dei qui unicum
  55. 🔍 37% Exsultet orbis gaudiisExsultet orbis gaudiis
  56. 🔍 37% Verbum supernumVerbum supernum
  57. 🔍 37% Audi Benigne ConditorAudi Benigne Conditor
  58. 🔍 37% Gloria IGloria I
  59. 🔍 37% Gloria XIGloria XI
  60. 🔍 37% Nunc tempusNunc tempus
  61. 🔍 37% Exsultet orbis gaudiisExsultet orbis gaudiis
  62. 🔍 37% Audi benigne conditorAudi benigne conditor
  63. 🔍 37% Apostolorum supparemApostolorum supparem
  64. 🔍 37% Lucis Creator optime (in Hieme)Lucis Creator optime (in Hieme)
  65. 🔍 37% O sator rerumO sator rerum