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% Laetatus sumLaetatus sum
  2. 🔍 58% Laetatus sumLaetatus sum
  3. 🔍 45% Rogate quae ad pacemRogate quae ad pacem
  4. 🔍 44% Laetatus SumLaetatus Sum
  5. 🔍 36% Laetatus sumLaetatus sum
  6. 🔍 30% Rogate quae ad pacemRogate quae ad pacem
  7. 🔍 30% Da pacemDa pacem
  8. 🔍 28% Laetatus sumLaetatus sum
  9. 🔍 26% Laetatus sumLaetatus sum
  10. 🔍 24% SuscepimusSuscepimus
  11. 🔍 24% Dum medium silentiumDum medium silentium
  12. 🔍 24% Laetatus sumLaetatus sum
  13. 🔍 24% Justus es DomineJustus es Domine
  14. 🔍 23% DirigaturDirigatur
  15. 🔍 23% Honora DominumHonora Dominum
  16. 🔍 23% SuscepimusSuscepimus
  17. 🔍 22% Oculi omniumOculi omnium
  18. 🔍 22% Benedictus DominusBenedictus Dominus
  19. 🔍 21% IntroiboIntroibo
  20. 🔍 21% SuscepimusSuscepimus
  21. 🔍 21% Occurrunt turbaeOccurrunt turbae
  22. 🔍 21% LaetareLaetare
  23. 🔍 21% ConfiteminiConfitemini
  24. 🔍 21% Angelus Domini descenditAngelus Domini descendit
  25. 🔍 21% R. IngredienteR. Ingrediente
  26. 🔍 21% Judica meJudica me
  27. 🔍 21% In excelso thronoIn excelso throno
  28. 🔍 21% Sancti tuiSancti tui
  29. 🔍 21% AfferenturAfferentur
  30. 🔍 21% Libera me Domine de morteLibera me Domine de morte
  31. 🔍 21% FulgentibusFulgentibus
  32. 🔍 20% CircuiboCircuibo
  33. 🔍 20% Gloria laus et honorGloria laus et honor
  34. 🔍 20% Crucem tuam adoramusCrucem tuam adoramus
  35. 🔍 20% Justus ut palmaJustus ut palma
  36. 🔍 20% De fructu operumDe fructu operum
  37. 🔍 20% Introduxit nos DominusIntroduxit nos Dominus
  38. 🔍 20% Omnia quae fecistiOmnia quae fecisti
  39. 🔍 20% In Nomine Jesu 1In Nomine Jesu 1
  40. 🔍 20% Unam petii... BeatiUnam petii... Beati
  41. 🔍 20% HolocaustumHolocaustum
  42. 🔍 20% Exaudi DomineExaudi Domine
  43. 🔍 20% Justorum animaeJustorum animae
  44. 🔍 19% In medioIn medio
  45. 🔍 19% In splendoribusIn splendoribus
  46. 🔍 19% Passer invenitPasser invenit
  47. 🔍 19% Gaudens gaudeboGaudens gaudebo
  48. 🔍 19% Gloria (Introits tone 2)Gloria (Introits tone 2)
  49. 🔍 19% Confitebor tibiConfitebor tibi
  50. 🔍 19% Gloria (Introits tone 6)Gloria (Introits tone 6)
  51. 🔍 19% Dignus est AgnusDignus est Agnus
  52. 🔍 19% VidimusVidimus
  53. 🔍 19% CoeperuntCoeperunt
  54. 🔍 19% Narrabo omniaNarrabo omnia
  55. 🔍 19% Dum venerit ParaclitusDum venerit Paraclitus
  56. 🔍 19% Ubi caritasUbi caritas
  57. 🔍 19% Adorate DeumAdorate Deum
  58. 🔍 19% Veni sponsa ChristiVeni sponsa Christi
  59. 🔍 19% Cum angelisCum angelis
  60. 🔍 19% Gloria et divitiaeGloria et divitiae
  61. 🔍 19% In medioIn medio
  62. 🔍 18% Dicit DominusDicit Dominus
  63. 🔍 18% ResponsumResponsum
  64. 🔍 18% Domine audiviDomine audivi
  65. 🔍 18% Omnes collaudantOmnes collaudant