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 radix JesseO radix Jesse
  2. 🔍 88% O RadixO Radix
  3. 🔍 81% O radix JesseO radix Jesse
  4. 🔍 78% O radix JesseO radix Jesse
  5. 🔍 73% O radix JesseO radix Jesse
  6. 🔍 71% O radix JesseO radix Jesse
  7. 🔍 58% O Radix IesseO Radix Iesse
  8. 🔍 58% O Radix IesseO Radix Iesse
  9. 🔍 58% O Radix IesseO Radix Iesse
  10. 🔍 34% O AdonaiO Adonai
  11. 🔍 32% Radix JesseRadix Jesse
  12. 🔍 31% O Virgo virginumO Virgo virginum
  13. 🔍 31% O RosaO Rosa
  14. 🔍 30% O Rex gentiumO Rex gentium
  15. 🔍 30% O quam gloriosus est beatusO quam gloriosus est beatus
  16. 🔍 29% O EmmanuelO Emmanuel
  17. 🔍 28% O clavis DavidO clavis David
  18. 🔍 28% O SapientiaO Sapientia
  19. 🔍 28% O Rex gloriaeO Rex gloriae
  20. 🔍 28% O superni sponsaO superni sponsa
  21. 🔍 28% Ecce radix JesseEcce radix Jesse
  22. 🔍 27% Beata AgnesBeata Agnes
  23. 🔍 27% O Thoma DidymeO Thoma Didyme
  24. 🔍 27% O SapientiaO Sapientia
  25. 🔍 27% O Rex gentiumO Rex gentium
  26. 🔍 27% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 27% Germinavit radixGerminavit radix
  28. 🔍 27% Genuit puerperaGenuit puerpera
  29. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  30. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  31. 🔍 26% O OriensO Oriens
  32. 🔍 25% Beati estisBeati estis
  33. 🔍 25% Aeterne Rex altissimeAeterne Rex altissime
  34. 🔍 25% Salve radix sanctaSalve radix sancta
  35. 🔍 25% Ecce advenitEcce advenit
  36. 🔍 25% O AdonaiO Adonai
  37. 🔍 24% Da pacemDa pacem
  38. 🔍 24% O EmmanuelO Emmanuel
  39. 🔍 23% O Rex gentiumO Rex gentium
  40. 🔍 23% O ClavisO Clavis
  41. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  42. 🔍 23% Nunc tempusNunc tempus
  43. 🔍 23% Ecce advenitEcce advenit
  44. 🔍 23% Nos autemNos autem
  45. 🔍 23% Stans a longeStans a longe
  46. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  47. 🔍 23% Suscepit nosSuscepit nos
  48. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  49. 🔍 23% A solis ortusA solis ortus
  50. 🔍 23% Germinavit radix JesseGerminavit radix Jesse
  51. 🔍 23% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  52. 🔍 23% Nos autem (all. all.)Nos autem (all. all.)
  53. 🔍 23% O OriensO Oriens
  54. 🔍 23% Tua est potentiaTua est potentia
  55. 🔍 23% Verbum supernumVerbum supernum
  56. 🔍 23% O AdonaiO Adonai
  57. 🔍 23% Per viscera... DeusPer viscera... Deus
  58. 🔍 22% Christus resurgensChristus resurgens
  59. 🔍 22% Verbum supernum prodiensVerbum supernum prodiens
  60. 🔍 22% Beatus LaurentiusBeatus Laurentius
  61. 🔍 22% Languentibus in Purgatorio (Alter tonus)Languentibus in Purgatorio (Alter tonus)
  62. 🔍 22% Audi benigneAudi benigne
  63. 🔍 22% Sicut oculiSicut oculi
  64. 🔍 22% ExsultabundaExsultabunda
  65. 🔍 22% Credo VIICredo VII