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% Laetamini justiLaetamini justi
  2. 🔍 46% Laetamini in DominoLaetamini in Domino
  3. 🔍 41% Laetamini in Domino... allel.Laetamini in Domino... allel.
  4. 🔍 37% Laetamini omnes in DominoLaetamini omnes in Domino
  5. 🔍 37% Laetamini in Domino ... iusti (Mode 8g-a)Laetamini in Domino ... iusti (Mode 8g-a)
  6. 🔍 37% Laetamini in Domino ... iusti (Mode 8g-g)Laetamini in Domino ... iusti (Mode 8g-g)
  7. 🔍 36% Laetamini in DominoLaetamini in Domino
  8. 🔍 35% Laetamini in DominoLaetamini in Domino
  9. 🔍 35% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  10. 🔍 34% Laetamini in DominoLaetamini in Domino
  11. 🔍 33% Laetamini cum IerusalemLaetamini cum Ierusalem
  12. 🔍 33% Laetamini cum IerusalemLaetamini cum Ierusalem
  13. 🔍 33% Laetamini cum IerusalemLaetamini cum Ierusalem
  14. 🔍 32% Laetamini in DominoLaetamini in Domino
  15. 🔍 30% Laetamini cum JerusalemLaetamini cum Jerusalem
  16. 🔍 28% Laetamini in DominoLaetamini in Domino
  17. 🔍 26% Laetamini cum JerusalemLaetamini cum Jerusalem
  18. 🔍 26% Laetamini cum IerusalemLaetamini cum Ierusalem
  19. 🔍 25% Sancti et justiSancti et justi
  20. 🔍 25% Laetamini in DominoLaetamini in Domino
  21. 🔍 24% Exsultate justiExsultate justi
  22. 🔍 23% Suavis DominusSuavis Dominus
  23. 🔍 23% Suavis DominusSuavis Dominus
  24. 🔍 23% Iubilate Deo (99)Iubilate Deo (99)
  25. 🔍 22% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  26. 🔍 22% Exaltate DominumExaltate Dominum
  27. 🔍 22% Justi decantaveruntJusti decantaverunt
  28. 🔍 22% Qui diligitis DominumQui diligitis Dominum
  29. 🔍 21% Domine in virtuteDomine in virtute
  30. 🔍 21% Domine in virtuteDomine in virtute
  31. 🔍 21% Magna operaMagna opera
  32. 🔍 21% Sancti et justi in DominoSancti et justi in Domino
  33. 🔍 21% Sancti et justi in DominoSancti et justi in Domino
  34. 🔍 21% Exsultent justiExsultent justi
  35. 🔍 21% IncipiteIncipite
  36. 🔍 20% Justi epulenturJusti epulentur
  37. 🔍 20% Domine in virtuteDomine in virtute
  38. 🔍 20% Satiavit DominusSatiavit Dominus
  39. 🔍 20% Laetabitur (I)Laetabitur (I)
  40. 🔍 20% Justi autemJusti autem
  41. 🔍 20% Introduxit vosIntroduxit vos
  42. 🔍 20% Justi confitebunturJusti confitebuntur
  43. 🔍 20% Sancti et justiSancti et justi
  44. 🔍 20% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  45. 🔍 20% Laetamini in Domino (Off.)Laetamini in Domino (Off.)
  46. 🔍 20% Sancti et justi in DominoSancti et justi in Domino
  47. 🔍 20% Exsultent justi (R. br.)Exsultent justi (R. br.)
  48. 🔍 20% Sancti et justiSancti et justi
  49. 🔍 19% Os justiOs justi
  50. 🔍 19% Laetamini in Domino (OFF. cum Alleluia)Laetamini in Domino (OFF. cum Alleluia)
  51. 🔍 19% Exsultavit... in DominoExsultavit... in Domino
  52. 🔍 19% Astiterunt justi anteAstiterunt justi ante
  53. 🔍 19% Exsultent justi (simple tone)Exsultent justi (simple tone)
  54. 🔍 19% ConfessioConfessio
  55. 🔍 19% Confitemini Domino quia (Antiphona)Confitemini Domino quia (Antiphona)
  56. 🔍 19% Sancti et justi ... alleluiaSancti et justi ... alleluia
  57. 🔍 19% Exsultabunt sancti (Ant.)Exsultabunt sancti (Ant.)
  58. 🔍 19% Confitemini Domino quoniamConfitemini Domino quoniam
  59. 🔍 19% Introduxit vosIntroduxit vos
  60. 🔍 19% Domine in virtute tuaDomine in virtute tua
  61. 🔍 19% Cantate... et benediciteCantate... et benedicite
  62. 🔍 18% Introduxit vosIntroduxit vos
  63. 🔍 18% Memento nostriMemento nostri
  64. 🔍 18% SanctificavitSanctificavit
  65. 🔍 18% Os justiOs justi