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: 2025-12-20. 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 Thoma DidymeO Thoma Didyme
  2. 🔍 33% O RosaO Rosa
  3. 🔍 30% O clavis DavidO clavis David
  4. 🔍 29% O quam gloriosus est beatusO quam gloriosus est beatus
  5. 🔍 29% O Virgo virginumO Virgo virginum
  6. 🔍 27% O AdonaiO Adonai
  7. 🔍 27% O radix JesseO radix Jesse
  8. 🔍 26% O superni sponsaO superni sponsa
  9. 🔍 26% O ClavisO Clavis
  10. 🔍 26% O beata MargaritaO beata Margarita
  11. 🔍 25% Languentibus in Purgatorio (Alter tonus)Languentibus in Purgatorio (Alter tonus)
  12. 🔍 24% Genuit puerperaGenuit puerpera
  13. 🔍 24% O OriensO Oriens
  14. 🔍 23% Da pacemDa pacem
  15. 🔍 23% O Rex gloriaeO Rex gloriae
  16. 🔍 23% O AdonaiO Adonai
  17. 🔍 23% O Rex gentiumO Rex gentium
  18. 🔍 23% Beati estisBeati estis
  19. 🔍 23% O AdonaiO Adonai
  20. 🔍 23% O SapientiaO Sapientia
  21. 🔍 23% O ThomaO Thoma
  22. 🔍 23% O SapientiaO Sapientia
  23. 🔍 22% O clavis DavidO clavis David
  24. 🔍 22% O RadixO Radix
  25. 🔍 22% O EmmanuelO Emmanuel
  26. 🔍 22% O Clavis DavidO Clavis David
  27. 🔍 22% Quia vidisti me ThomaQuia vidisti me Thoma
  28. 🔍 22% O OriensO Oriens
  29. 🔍 22% Exsultet jam AngelicaExsultet jam Angelica
  30. 🔍 22% In craticulaIn craticula
  31. 🔍 21% ConfessorConfessor
  32. 🔍 21% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  33. 🔍 21% Sanctorum meritis inclytaSanctorum meritis inclyta
  34. 🔍 21% Miserere (Ps 50)Miserere (Ps 50)
  35. 🔍 21% Sanctorum meritisSanctorum meritis
  36. 🔍 21% Summum RegemSummum Regem
  37. 🔍 21% Quia vidisti meQuia vidisti me
  38. 🔍 21% Audi benigneAudi benigne
  39. 🔍 21% Eripe me de inimicis... DomineEripe me de inimicis... Domine
  40. 🔍 21% O Rex gentiumO Rex gentium
  41. 🔍 20% Redime meRedime me
  42. 🔍 20% Gloria XIGloria XI
  43. 🔍 20% Praefatio solemnis de sanctissima EucharistiaPraefatio solemnis de sanctissima Eucharistia
  44. 🔍 20% Praefatio de Adventu IPraefatio de Adventu I
  45. 🔍 20% Verbum supernum prodiensVerbum supernum prodiens
  46. 🔍 20% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  47. 🔍 20% O AdonaiO Adonai
  48. 🔍 20% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  49. 🔍 20% O AdonaiO Adonai
  50. 🔍 20% Gloria VGloria V
  51. 🔍 20% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  52. 🔍 20% Miserere mei Deus (cantus alter)Miserere mei Deus (cantus alter)
  53. 🔍 20% Redime meRedime me
  54. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  55. 🔍 20% Adesto Christe cordibusAdesto Christe cordibus
  56. 🔍 20% O pie DeusO pie Deus
  57. 🔍 20% AdhaereatAdhaereat
  58. 🔍 20% Audi benigne ConditorAudi benigne Conditor
  59. 🔍 20% Audi benigne ConditorAudi benigne Conditor
  60. 🔍 20% Audi benigne ConditorAudi benigne Conditor
  61. 🔍 19% O radix JesseO radix Jesse
  62. 🔍 19% Redime meRedime me
  63. 🔍 19% O MartineO Martine
  64. 🔍 19% Eia materEia mater
  65. 🔍 19% Gloria IIIGloria III