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% Nunc tempusNunc tempus
  2. 🔍 64% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  3. 🔍 62% Verbum supernum prodiens aVerbum supernum prodiens a
  4. 🔍 61% Verbum supernum prodiens a Verbum supernum prodiens a
  5. 🔍 58% Summi largitor praemiiSummi largitor praemii
  6. 🔍 53% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  7. 🔍 53% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  8. 🔍 53% Audi benigne ConditorAudi benigne Conditor
  9. 🔍 52% Verbum supernum prodiensVerbum supernum prodiens
  10. 🔍 52% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  11. 🔍 51% Rector potens (In Adventu)Rector potens (In Adventu)
  12. 🔍 51% Rector potens (In Adventu)Rector potens (In Adventu)
  13. 🔍 51% Audi benigne conditorAudi benigne conditor
  14. 🔍 51% Nunc tempus acceptabileNunc tempus acceptabile
  15. 🔍 50% Audi benigne Conditor Audi benigne Conditor
  16. 🔍 49% Audi Benigne ConditorAudi Benigne Conditor
  17. 🔍 49% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  18. 🔍 49% Audi benigneAudi benigne
  19. 🔍 48% Gloria VGloria V
  20. 🔍 48% Audi benigne ConditorAudi benigne Conditor
  21. 🔍 48% Audi benigne ConditorAudi benigne Conditor
  22. 🔍 48% Audi benigne ConditorAudi benigne Conditor
  23. 🔍 48% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  24. 🔍 46% Te beata sponsa ChristiTe beata sponsa Christi
  25. 🔍 46% Gloria IIIGloria III
  26. 🔍 45% Gloria XIGloria XI
  27. 🔍 44% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  28. 🔍 44% O lux beata CaelitumO lux beata Caelitum
  29. 🔍 44% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  30. 🔍 44% O lux beata CaelitumO lux beata Caelitum
  31. 🔍 44% O lux beata CaelitumO lux beata Caelitum
  32. 🔍 44% Aeterne Rex altissimeAeterne Rex altissime
  33. 🔍 44% O gente felix hospitaO gente felix hospita
  34. 🔍 43% Exsultet jam AngelicaExsultet jam Angelica
  35. 🔍 43% Salvete Christi vulneraSalvete Christi vulnera
  36. 🔍 43% O vos aethereiO vos aetherei
  37. 🔍 42% Salvete Christi vulneraSalvete Christi vulnera
  38. 🔍 42% O lux beata CaelitumO lux beata Caelitum
  39. 🔍 42% O lux beata CaelitumO lux beata Caelitum
  40. 🔍 41% Salve FranciadumSalve Franciadum
  41. 🔍 41% Precemur omnes cernuiPrecemur omnes cernui
  42. 🔍 41% Aeterne sol qui lumineAeterne sol qui lumine
  43. 🔍 41% Tibi Redemptor omniumTibi Redemptor omnium
  44. 🔍 41% Tibi Christe splendor PatrisTibi Christe splendor Patris
  45. 🔍 41% O quam glorificaO quam glorifica
  46. 🔍 41% Corde natus ex ParentisCorde natus ex Parentis
  47. 🔍 40% O quam glorificaO quam glorifica
  48. 🔍 40% Iam ChristeIam Christe
  49. 🔍 40% Iam lucis orto sidereIam lucis orto sidere
  50. 🔍 40% Ad quas orba viroAd quas orba viro
  51. 🔍 40% Gloria (ad lib.) III / III BGloria (ad lib.) III / III B
  52. 🔍 40% Jam ChristeJam Christe
  53. 🔍 40% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  54. 🔍 39% Deus creator omniumDeus creator omnium
  55. 🔍 39% O sol salutis intimis (Alter tonus)O sol salutis intimis (Alter tonus)
  56. 🔍 38% Dicamus laudes (In festis)Dicamus laudes (In festis)
  57. 🔍 38% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  58. 🔍 38% Verbum supernum prodiensVerbum supernum prodiens
  59. 🔍 37% Auctor salutisAuctor salutis
  60. 🔍 37% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  61. 🔍 37% Auctor salutis uniceAuctor salutis unice
  62. 🔍 37% Inclina cor meumInclina cor meum
  63. 🔍 37% Deus creator omniumDeus creator omnium
  64. 🔍 37% Quae nunc bella strepuntQuae nunc bella strepunt
  65. 🔍 37% Qui lacrimatusQui lacrimatus