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% Posui adjutoriumPosui adjutorium
  2. 🔍 81% AdoraboAdorabo
  3. 🔍 49% AdoraboAdorabo
  4. 🔍 31% AdoraboAdorabo
  5. 🔍 28% Confitemini... et invocateConfitemini... et invocate
  6. 🔍 24% AdoraboAdorabo
  7. 🔍 24% Ave Maria (Offertorium)Ave Maria (Offertorium)
  8. 🔍 23% Propter veritatemPropter veritatem
  9. 🔍 23% Miserere meiMiserere mei
  10. 🔍 22% Domine refugiumDomine refugium
  11. 🔍 22% Dominus firmamentumDominus firmamentum
  12. 🔍 21% MultifarieMultifarie
  13. 🔍 21% Viderunt omnesViderunt omnes
  14. 🔍 21% Venite exsultemusVenite exsultemus
  15. 🔍 21% Salvum fac populumSalvum fac populum
  16. 🔍 20% Posui adjutoriumPosui adjutorium
  17. 🔍 20% Eripe meEripe me
  18. 🔍 20% A summo caeloA summo caelo
  19. 🔍 20% Dilectio DeiDilectio Dei
  20. 🔍 20% Dilectio DeiDilectio Dei
  21. 🔍 20% Invocabit meInvocabit me
  22. 🔍 20% Tuam crucemTuam crucem
  23. 🔍 20% In conspectu... adorabo (All)In conspectu... adorabo (All)
  24. 🔍 19% Memento DomineMemento Domine
  25. 🔍 19% Invocabit meInvocabit me
  26. 🔍 19% Video caelosVideo caelos
  27. 🔍 19% Benedicam DominumBenedicam Dominum
  28. 🔍 19% ParastiParasti
  29. 🔍 19% Domine refugiumDomine refugium
  30. 🔍 19% Laetabitur justusLaetabitur justus
  31. 🔍 19% Quasi stella... quasi solQuasi stella... quasi sol
  32. 🔍 18% In dieIn die
  33. 🔍 18% CommovistiCommovisti
  34. 🔍 18% Deus quiDeus qui
  35. 🔍 18% De profundisDe profundis
  36. 🔍 18% Laetabitur justusLaetabitur justus
  37. 🔍 18% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  38. 🔍 18% Amavit eum Dominus (All.)Amavit eum Dominus (All.)
  39. 🔍 18% Vos estisVos estis
  40. 🔍 18% Adjuvabit eamAdjuvabit eam
  41. 🔍 18% DispersitDispersit
  42. 🔍 18% Meditabor... alleluiaMeditabor... alleluia
  43. 🔍 18% Hic est qui venitHic est qui venit
  44. 🔍 18% Ipse est directusIpse est directus
  45. 🔍 18% Deus qui sedesDeus qui sedes
  46. 🔍 17% Ave Maria (Offertorium)Ave Maria (Offertorium)
  47. 🔍 17% MeditaborMeditabor
  48. 🔍 17% Alleluia (ant.)Alleluia (ant.)
  49. 🔍 17% Alleluia (ant.)Alleluia (ant.)
  50. 🔍 17% Jubilate DeoJubilate Deo
  51. 🔍 17% Invocabit meInvocabit me
  52. 🔍 17% Viderunt te aquaeViderunt te aquae
  53. 🔍 17% Me exspectaveruntMe exspectaverunt
  54. 🔍 17% Exsultate DeoExsultate Deo
  55. 🔍 17% Eripe meEripe me
  56. 🔍 17% Terribilis estTerribilis est
  57. 🔍 17% Miserere mihi... ad teMiserere mihi... ad te
  58. 🔍 17% Salus et gloriaSalus et gloria
  59. 🔍 17% Meditabor... alleluiaMeditabor... alleluia
  60. 🔍 17% Invocabit DominumInvocabit Dominum
  61. 🔍 17% Domine Deus virtutumDomine Deus virtutum
  62. 🔍 17% Domine Deus salutisDomine Deus salutis
  63. 🔍 17% Disposui testamentumDisposui testamentum
  64. 🔍 17% Benedicam DominumBenedicam Dominum
  65. 🔍 17% SitivitSitivit