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% Introibo ad altareIntroibo ad altare
  2. 🔍 54% Introibo ad altareIntroibo ad altare
  3. 🔍 45% IntroiboIntroibo
  4. 🔍 42% Introibo ad altareIntroibo ad altare
  5. 🔍 41% Introibo ad altareIntroibo ad altare
  6. 🔍 40% Introibo ad altareIntroibo ad altare
  7. 🔍 35% Introibo ad altareIntroibo ad altare
  8. 🔍 34% Cum sanctificatusCum sanctificatus
  9. 🔍 30% Ego clamaviEgo clamavi
  10. 🔍 30% IntroiboIntroibo
  11. 🔍 29% HumiliavitHumiliavit
  12. 🔍 29% Repleatur os meumRepleatur os meum
  13. 🔍 28% In nomine Jesu (ps. Domine)In nomine Jesu (ps. Domine)
  14. 🔍 28% IntroiboIntroibo
  15. 🔍 28% SuscitaboSuscitabo
  16. 🔍 28% IntroiboIntroibo
  17. 🔍 28% Domine ne longeDomine ne longe
  18. 🔍 28% Dum clamaremDum clamarem
  19. 🔍 27% Si iniquitates (Intr)Si iniquitates (Intr)
  20. 🔍 27% Spiritus... replevit... all. all. all.Spiritus... replevit... all. all. all.
  21. 🔍 27% Introibo (St Louis)Introibo (St Louis)
  22. 🔍 27% Orante sancto ClememteOrante sancto Clememte
  23. 🔍 26% Spiritus... replevit... all. all.Spiritus... replevit... all. all.
  24. 🔍 26% Emisi vosEmisi vos
  25. 🔍 26% IntroiboIntroibo
  26. 🔍 26% Victricem manumVictricem manum
  27. 🔍 26% Dominus electorumDominus electorum
  28. 🔍 26% Lux fulgebitLux fulgebit
  29. 🔍 26% Judica meJudica me
  30. 🔍 25% IntroiboIntroibo
  31. 🔍 25% In Deo laudaboIn Deo laudabo
  32. 🔍 25% Omnia quae fecistiOmnia quae fecisti
  33. 🔍 25% Vocem jucunditatisVocem jucunditatis
  34. 🔍 25% Dum mediumDum medium
  35. 🔍 25% Memor estoMemor esto
  36. 🔍 25% ConfessioConfessio
  37. 🔍 25% Potum meumPotum meum
  38. 🔍 25% LoqueturLoquetur
  39. 🔍 25% Dum oraret JesusDum oraret Jesus
  40. 🔍 24% In nomine Jesu (ps. Laudate)In nomine Jesu (ps. Laudate)
  41. 🔍 24% Improperium... simul mecumImproperium... simul mecum
  42. 🔍 24% CircuiboCircuibo
  43. 🔍 24% Introibo in domumIntroibo in domum
  44. 🔍 23% Adjutor et protectorAdjutor et protector
  45. 🔍 23% Jubilate DeoJubilate Deo
  46. 🔍 23% Jubilate Deo universaJubilate Deo universa
  47. 🔍 23% Miserere mei... secundumMiserere mei... secundum
  48. 🔍 23% Dominus qui eripuitDominus qui eripuit
  49. 🔍 23% Saepe expugnaveruntSaepe expugnaverunt
  50. 🔍 23% Eripe me de inimicis... DomineEripe me de inimicis... Domine
  51. 🔍 23% Deus dum egredererisDeus dum egredereris
  52. 🔍 22% Sperent in teSperent in te
  53. 🔍 22% Redemisti nosRedemisti nos
  54. 🔍 22% Liberator meusLiberator meus
  55. 🔍 22% DesideriumDesiderium
  56. 🔍 22% Factus es spes meaFactus es spes mea
  57. 🔍 22% Deus misereaturDeus misereatur
  58. 🔍 22% Ad te levaviAd te levavi
  59. 🔍 22% Tibi dixitTibi dixit
  60. 🔍 22% Jerusalem quaeJerusalem quae
  61. 🔍 22% Introibo in domumIntroibo in domum
  62. 🔍 22% Laudate... omnes gentesLaudate... omnes gentes
  63. 🔍 22% Nunc ergoNunc ergo
  64. 🔍 22% Protexisti meProtexisti me
  65. 🔍 22% ModicumModicum