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% Intravit MariaIntravit Maria
  2. 🔍 83% Intravit MariaIntravit Maria
  3. 🔍 78% Intravit MariaIntravit Maria
  4. 🔍 65% Intravit MariaIntravit Maria
  5. 🔍 57% VisitatioVisitatio
  6. 🔍 39% Ut audivit salutationemUt audivit salutationem
  7. 🔍 36% Ut audivitUt audivit
  8. 🔍 30% Exsurgens MariaExsurgens Maria
  9. 🔍 29% Cum audisset salutationemCum audisset salutationem
  10. 🔍 26% Elisabeth ZachariaeElisabeth Zachariae
  11. 🔍 26% Elisabeth ZachariaeElisabeth Zachariae
  12. 🔍 26% Exsurgens MariaExsurgens Maria
  13. 🔍 26% Elisabeth Zachariae magnumElisabeth Zachariae magnum
  14. 🔍 24% Elisabeth ZachariaeElisabeth Zachariae
  15. 🔍 24% Ut audivitUt audivit
  16. 🔍 24% Elisabeth ZachariaeElisabeth Zachariae
  17. 🔍 24% Exsultavit spiritusExsultavit spiritus
  18. 🔍 23% Elisabeth pacis et patriaeElisabeth pacis et patriae
  19. 🔍 23% Maria dixitMaria dixit
  20. 🔍 23% Elisabeth pacisElisabeth pacis
  21. 🔍 22% Elisabeth ZachariaeElisabeth Zachariae
  22. 🔍 22% Apertum est os ZachariaeApertum est os Zachariae
  23. 🔍 22% Surge propera... formosaSurge propera... formosa
  24. 🔍 22% Cum audisset salutationemCum audisset salutationem
  25. 🔍 22% Benedicamus Domino (I classis in I Vesperis)Benedicamus Domino (I classis in I Vesperis)
  26. 🔍 21% Misericors et miseratorMisericors et miserator
  27. 🔍 21% Apertum est os ZachariaeApertum est os Zachariae
  28. 🔍 21% Intravit autem rexIntravit autem rex
  29. 🔍 20% Magi intrantes domumMagi intrantes domum
  30. 🔍 20% Genuit puerpera RegemGenuit puerpera Regem
  31. 🔍 20% Magi intrantesMagi intrantes
  32. 🔍 20% Misericors et miseratorMisericors et miserator
  33. 🔍 20% O Christi sponsaO Christi sponsa
  34. 🔍 20% Similabo eumSimilabo eum
  35. 🔍 20% Ave Maria ... allel.Ave Maria ... allel.
  36. 🔍 20% Angelus Domini nuntiavit (Ant.)Angelus Domini nuntiavit (Ant.)
  37. 🔍 20% Salvete Christi vulneraSalvete Christi vulnera
  38. 🔍 20% O gente felix hospitaO gente felix hospita
  39. 🔍 20% Genuit puerpera regemGenuit puerpera regem
  40. 🔍 20% Intravit autem rexIntravit autem rex
  41. 🔍 20% Salvete Christi vulneraSalvete Christi vulnera
  42. 🔍 19% Ave MariaAve Maria
  43. 🔍 19% Vidi aquamVidi aquam
  44. 🔍 19% Benedictus Dominus DeusBenedictus Dominus Deus
  45. 🔍 19% Intravit autem rexIntravit autem rex
  46. 🔍 19% O Oriens splendorO Oriens splendor
  47. 🔍 19% Ecce Maria genuitEcce Maria genuit
  48. 🔍 19% Intravit JesusIntravit Jesus
  49. 🔍 19% O lux beata CaelitumO lux beata Caelitum
  50. 🔍 19% Exsultavit spritusExsultavit spritus
  51. 🔍 19% O lux beata CaelitumO lux beata Caelitum
  52. 🔍 19% Praeclara salutis auroraPraeclara salutis aurora
  53. 🔍 19% Ave MariaAve Maria
  54. 🔍 19% Redemptionem misitRedemptionem misit
  55. 🔍 19% Apertum est os ZachariaeApertum est os Zachariae
  56. 🔍 19% O OriensO Oriens
  57. 🔍 19% Miserator DominusMiserator Dominus
  58. 🔍 19% DilatavitDilatavit
  59. 🔍 19% O lux beata CaelitumO lux beata Caelitum
  60. 🔍 19% Benedicamus (In I Vesperis)Benedicamus (In I Vesperis)
  61. 🔍 19% O lux beata CaelitumO lux beata Caelitum
  62. 🔍 19% Miserator Dominus escamMiserator Dominus escam
  63. 🔍 19% Et intravit cum illisEt intravit cum illis
  64. 🔍 19% Exsultavit ... ex exaltatum estExsultavit ... ex exaltatum est
  65. 🔍 18% O lux beata CaelitumO lux beata Caelitum