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% O superni sponsaO superni sponsa
  2. 🔍 37% O Rex gentiumO Rex gentium
  3. 🔍 34% O SapientiaO Sapientia
  4. 🔍 33% O RadixO Radix
  5. 🔍 33% O AdonaiO Adonai
  6. 🔍 32% O EmmanuelO Emmanuel
  7. 🔍 32% O SapientiaO Sapientia
  8. 🔍 31% O OriensO Oriens
  9. 🔍 31% O ClavisO Clavis
  10. 🔍 31% O quam gloriosus est beatusO quam gloriosus est beatus
  11. 🔍 30% O Virgo virginumO Virgo virginum
  12. 🔍 28% O radix JesseO radix Jesse
  13. 🔍 27% Veni sponsa ChristiVeni sponsa Christi
  14. 🔍 27% O Christi sponsaO Christi sponsa
  15. 🔍 27% O RosaO Rosa
  16. 🔍 27% Te beata sponsa ChristiTe beata sponsa Christi
  17. 🔍 26% O clavis DavidO clavis David
  18. 🔍 26% Verbum supernum prodiensVerbum supernum prodiens
  19. 🔍 26% Beati estisBeati estis
  20. 🔍 26% O Thoma DidymeO Thoma Didyme
  21. 🔍 26% O Rex gloriaeO Rex gloriae
  22. 🔍 25% Verbum supernum prodiens aVerbum supernum prodiens a
  23. 🔍 25% Indue teIndue te
  24. 🔍 25% Verbum supernum prodiens a Verbum supernum prodiens a
  25. 🔍 25% Nunc tempusNunc tempus
  26. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 24% Aeterne Rex altissimeAeterne Rex altissime
  28. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  29. 🔍 24% Audi benigneAudi benigne
  30. 🔍 23% Tu puerTu puer
  31. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  32. 🔍 23% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  33. 🔍 23% Beata Dei GenitrixBeata Dei Genitrix
  34. 🔍 23% Aeterne Rex altissimeAeterne Rex altissime
  35. 🔍 23% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  36. 🔍 23% Gloria VGloria V
  37. 🔍 23% Salvete Christi vulneraSalvete Christi vulnera
  38. 🔍 23% Summi largitor praemiiSummi largitor praemii
  39. 🔍 23% CalicemCalicem
  40. 🔍 23% O Rex gentiumO Rex gentium
  41. 🔍 23% Inclina cor meumInclina cor meum
  42. 🔍 23% O sponsa ChristiO sponsa Christi
  43. 🔍 22% Salvete Christi vulneraSalvete Christi vulnera
  44. 🔍 22% Audi benigne ConditorAudi benigne Conditor
  45. 🔍 22% Summum RegemSummum Regem
  46. 🔍 22% O lux beata CaelitumO lux beata Caelitum
  47. 🔍 22% O lux beata CaelitumO lux beata Caelitum
  48. 🔍 22% Gloria XIGloria XI
  49. 🔍 22% Tibi Redemptor omniumTibi Redemptor omnium
  50. 🔍 22% Salve Coleta potens!Salve Coleta potens!
  51. 🔍 22% O gente felix hospitaO gente felix hospita
  52. 🔍 22% Languentibus in Purgatorio (Alter tonus)Languentibus in Purgatorio (Alter tonus)
  53. 🔍 22% Auctor salutis uniceAuctor salutis unice
  54. 🔍 22% Regis superni nuntiaRegis superni nuntia
  55. 🔍 22% Aptata virgoAptata virgo
  56. 🔍 22% Fontes aquarumFontes aquarum
  57. 🔍 22% Audi benigne ConditorAudi benigne Conditor
  58. 🔍 22% Audi benigne ConditorAudi benigne Conditor
  59. 🔍 22% Gloria IIIGloria III
  60. 🔍 22% Precemur omnes cernuiPrecemur omnes cernui
  61. 🔍 22% Caelestis formam gloriaeCaelestis formam gloriae
  62. 🔍 22% Audi benigne conditorAudi benigne conditor
  63. 🔍 22% Te lucis ante terminum (In Adventu)Te lucis ante terminum (In Adventu)
  64. 🔍 22% Egredimini filiae Sion (Ant.)Egredimini filiae Sion (Ant.)
  65. 🔍 21% Te qui in SpirituTe qui in Spiritu