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% LaetareLaetare
  2. 🔍 76% LaetareLaetare
  3. 🔍 36% Jerusalem surgeJerusalem surge
  4. 🔍 31% Cum invocarem teCum invocarem te
  5. 🔍 30% Jerusalem surgeJerusalem surge
  6. 🔍 27% Cum invocarem teCum invocarem te
  7. 🔍 26% Jerusalem surgeJerusalem surge
  8. 🔍 26% Laetetur corLaetetur cor
  9. 🔍 26% Jerusalem surgeJerusalem surge
  10. 🔍 25% Aeterne sol qui lumineAeterne sol qui lumine
  11. 🔍 25% Laetetur corLaetetur cor
  12. 🔍 25% Educ de carcereEduc de carcere
  13. 🔍 25% O vos aethereiO vos aetherei
  14. 🔍 25% O lux beata CaelitumO lux beata Caelitum
  15. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  16. 🔍 24% Cum invocarem teCum invocarem te
  17. 🔍 24% Immutemur habituImmutemur habitu
  18. 🔍 24% O beata MaterO beata Mater
  19. 🔍 24% O gente felix hospitaO gente felix hospita
  20. 🔍 24% O lux beata CaelitumO lux beata Caelitum
  21. 🔍 24% Gloria VGloria V
  22. 🔍 24% In virtute tuaIn virtute tua
  23. 🔍 24% Bonum mihiBonum mihi
  24. 🔍 24% Te DeumTe Deum
  25. 🔍 24% Aeterne Rex altissimeAeterne Rex altissime
  26. 🔍 23% Te DeumTe Deum
  27. 🔍 23% Te DeumTe Deum
  28. 🔍 23% Audi benigneAudi benigne
  29. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  30. 🔍 23% Audi benigne Conditor Audi benigne Conditor
  31. 🔍 23% Audi benigne ConditorAudi benigne Conditor
  32. 🔍 23% O lux beata CaelitumO lux beata Caelitum
  33. 🔍 23% Audi benigne ConditorAudi benigne Conditor
  34. 🔍 23% Audi benigne ConditorAudi benigne Conditor
  35. 🔍 23% Protexisti meProtexisti me
  36. 🔍 23% Gloria XIGloria XI
  37. 🔍 23% Audi benigne conditorAudi benigne conditor
  38. 🔍 23% Salve mundi DominaSalve mundi Domina
  39. 🔍 23% Audi benigne ConditorAudi benigne Conditor
  40. 🔍 23% Audi Benigne ConditorAudi Benigne Conditor
  41. 🔍 23% EmendemusEmendemus
  42. 🔍 23% Factus est opprobriumFactus est opprobrium
  43. 🔍 22% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  44. 🔍 22% Nunc tempusNunc tempus
  45. 🔍 22% Passer invenitPasser invenit
  46. 🔍 22% Gloria IIIGloria III
  47. 🔍 22% Domine non secundumDomine non secundum
  48. 🔍 22% Venite auditeVenite audite
  49. 🔍 22% Mihi autem nimis (Intr.)Mihi autem nimis (Intr.)
  50. 🔍 22% Vultum tuumVultum tuum
  51. 🔍 22% In voluntateIn voluntate
  52. 🔍 22% Te Matrem laudamusTe Matrem laudamus
  53. 🔍 22% In virtute tuaIn virtute tua
  54. 🔍 22% Domine non secundumDomine non secundum
  55. 🔍 22% Jerusalem surgeJerusalem surge
  56. 🔍 22% RecordareRecordare
  57. 🔍 22% LaetabimurLaetabimur
  58. 🔍 22% Aeterne Rex altissimeAeterne Rex altissime
  59. 🔍 22% Spiritus Domini... praedicareSpiritus Domini... praedicare
  60. 🔍 21% Ecce ReginaEcce Regina
  61. 🔍 21% Adducam eosAdducam eos
  62. 🔍 21% LavaboLavabo
  63. 🔍 21% Miserere (Ps 50)Miserere (Ps 50)
  64. 🔍 21% Te CatharinaTe Catharina
  65. 🔍 21% Passer invenitPasser invenit