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 RadixO Radix
  2. 🔍 88% O radix JesseO radix Jesse
  3. 🔍 71% O radix JesseO radix Jesse
  4. 🔍 67% O radix JesseO radix Jesse
  5. 🔍 67% O radix JesseO radix Jesse
  6. 🔍 61% O radix JesseO radix Jesse
  7. 🔍 53% O Radix IesseO Radix Iesse
  8. 🔍 53% O Radix IesseO Radix Iesse
  9. 🔍 53% O Radix IesseO Radix Iesse
  10. 🔍 47% O AdonaiO Adonai
  11. 🔍 44% O Rex gentiumO Rex gentium
  12. 🔍 43% O EmmanuelO Emmanuel
  13. 🔍 39% O OriensO Oriens
  14. 🔍 34% O ClavisO Clavis
  15. 🔍 34% O SapientiaO Sapientia
  16. 🔍 33% O superni sponsaO superni sponsa
  17. 🔍 32% O SapientiaO Sapientia
  18. 🔍 28% Radix JesseRadix Jesse
  19. 🔍 27% O Rex gloriaeO Rex gloriae
  20. 🔍 27% Beata AgnesBeata Agnes
  21. 🔍 26% O lux beata CaelitumO lux beata Caelitum
  22. 🔍 26% O Virgo virginumO Virgo virginum
  23. 🔍 26% Germinavit radixGerminavit radix
  24. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  25. 🔍 25% Beati estisBeati estis
  26. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  27. 🔍 25% O RosaO Rosa
  28. 🔍 25% O quam gloriosus est beatusO quam gloriosus est beatus
  29. 🔍 24% Aeterne Rex altissimeAeterne Rex altissime
  30. 🔍 24% Ecce advenitEcce advenit
  31. 🔍 24% Salve radix sanctaSalve radix sancta
  32. 🔍 23% O clavis DavidO clavis David
  33. 🔍 23% Beatus LaurentiusBeatus Laurentius
  34. 🔍 23% Exsultet jam AngelicaExsultet jam Angelica
  35. 🔍 23% Nunc tempusNunc tempus
  36. 🔍 23% Ecce advenitEcce advenit
  37. 🔍 23% Ecce radix JesseEcce radix Jesse
  38. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  39. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  40. 🔍 22% Nos autemNos autem
  41. 🔍 22% O Thoma DidymeO Thoma Didyme
  42. 🔍 22% A solis ortusA solis ortus
  43. 🔍 22% O Rex gentiumO Rex gentium
  44. 🔍 22% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  45. 🔍 22% Verbum supernumVerbum supernum
  46. 🔍 22% Nos autem (all. all.)Nos autem (all. all.)
  47. 🔍 22% Verbum supernum prodiensVerbum supernum prodiens
  48. 🔍 22% Suscepit nosSuscepit nos
  49. 🔍 22% Languentibus in Purgatorio (Alter tonus)Languentibus in Purgatorio (Alter tonus)
  50. 🔍 22% Christus resurgensChristus resurgens
  51. 🔍 22% Genuit puerperaGenuit puerpera
  52. 🔍 22% Tua est potentiaTua est potentia
  53. 🔍 22% Credo VIICredo VII
  54. 🔍 22% Summum RegemSummum Regem
  55. 🔍 22% Aeterne Rex altissimeAeterne Rex altissime
  56. 🔍 22% Audi benigneAudi benigne
  57. 🔍 21% Sanctorum meritis inclytaSanctorum meritis inclyta
  58. 🔍 21% Sicut oculiSicut oculi
  59. 🔍 21% Rex noster adveniet ChristusRex noster adveniet Christus
  60. 🔍 21% Audi benigne conditorAudi benigne conditor
  61. 🔍 21% Te beata sponsa ChristiTe beata sponsa Christi
  62. 🔍 21% Benedicta semperBenedicta semper
  63. 🔍 21% Sanctorum meritisSanctorum meritis
  64. 🔍 21% Christe caelorum DomineChriste caelorum Domine
  65. 🔍 21% ExsultabundaExsultabunda