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% JustificerisJustificeris
  2. 🔍 78% Justificeris DomineJustificeris Domine
  3. 🔍 72% Justificeris DomineJustificeris Domine
  4. 🔍 71% Justificeris DomineJustificeris Domine
  5. 🔍 30% Ne tacuerisNe tacueris
  6. 🔍 29% In DominoIn Domino
  7. 🔍 29% Cum iratusCum iratus
  8. 🔍 27% CircumdantesCircumdantes
  9. 🔍 27% Si iniquitates (Ant)Si iniquitates (Ant)
  10. 🔍 27% Nolite judicareNolite judicare
  11. 🔍 26% Contrium estContrium est
  12. 🔍 26% Miserere mei... secundumMiserere mei... secundum
  13. 🔍 26% Tu DomineTu Domine
  14. 🔍 25% JudicastiJudicasti
  15. 🔍 25% Nolite judicareNolite judicare
  16. 🔍 25% Nolite judicareNolite judicare
  17. 🔍 25% Memento meiMemento mei
  18. 🔍 25% CalicemCalicem
  19. 🔍 24% Deduc meDeduc me
  20. 🔍 24% Justi autemJusti autem
  21. 🔍 24% ExaltareExaltare
  22. 🔍 24% Fidelis DominusFidelis Dominus
  23. 🔍 24% Ne reminiscarisNe reminiscaris
  24. 🔍 24% Dominus tamquam ovisDominus tamquam ovis
  25. 🔍 24% In tua justitiaIn tua justitia
  26. 🔍 23% Qui nos filiiQui nos filii
  27. 🔍 23% Miserere (Ps 50)Miserere (Ps 50)
  28. 🔍 23% Tu autem cum oraverisTu autem cum oraveris
  29. 🔍 23% Propter nomenPropter nomen
  30. 🔍 23% Jubilate in conspectuJubilate in conspectu
  31. 🔍 23% Ne tacueris DeusNe tacueris Deus
  32. 🔍 23% Adjutorium nostrumAdjutorium nostrum
  33. 🔍 23% Hodie nomenHodie nomen
  34. 🔍 22% Qui persequebantur justumQui persequebantur justum
  35. 🔍 22% Beata es MariaBeata es Maria
  36. 🔍 22% Serve bone et fidelis intraServe bone et fidelis intra
  37. 🔍 22% Tu puerTu puer
  38. 🔍 22% Beata AgathaBeata Agatha
  39. 🔍 22% Ave MariaAve Maria
  40. 🔍 22% Pro eo... inquitPro eo... inquit
  41. 🔍 22% Cum jucunditateCum jucunditate
  42. 🔍 22% Te qui in SpirituTe qui in Spiritu
  43. 🔍 22% Nullis te genitorNullis te genitor
  44. 🔍 21% ModicumModicum
  45. 🔍 21% Ne reminiscaris DomineNe reminiscaris Domine
  46. 🔍 21% OmnipotensOmnipotens
  47. 🔍 21% AstiteruntAstiterunt
  48. 🔍 21% Agnosce o VicentiAgnosce o Vicenti
  49. 🔍 21% Serve nequamServe nequam
  50. 🔍 21% Propter SionPropter Sion
  51. 🔍 21% BenedixistiBenedixisti
  52. 🔍 21% Placebo DominoPlacebo Domino
  53. 🔍 21% Ne reminiscarisNe reminiscaris
  54. 🔍 21% Laetabitur (I)Laetabitur (I)
  55. 🔍 21% Exsultate justiExsultate justi
  56. 🔍 21% ImpietatibusImpietatibus
  57. 🔍 21% Erumpant montesErumpant montes
  58. 🔍 21% Lauda... quoniamLauda... quoniam
  59. 🔍 21% Confitemini Domino quoniamConfitemini Domino quoniam
  60. 🔍 21% Ite et vosIte et vos
  61. 🔍 21% Sion renovaberisSion renovaberis
  62. 🔍 21% MultiplicastiMultiplicasti
  63. 🔍 21% Laetamini in DominoLaetamini in Domino
  64. 🔍 21% Fac cum servoFac cum servo
  65. 🔍 21% Mecum enimMecum enim