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% Angelus Domini descenditAngelus Domini descendit
  2. 🔍 73% Verbo DominiVerbo Domini
  3. 🔍 59% Angelus Domini descenditAngelus Domini descendit
  4. 🔍 51% Angelus Domini descenditAngelus Domini descendit
  5. 🔍 49% Angelus Domini descenditAngelus Domini descendit
  6. 🔍 47% Angelus Domini descenditAngelus Domini descendit
  7. 🔍 36% Angelus autem DominiAngelus autem Domini
  8. 🔍 36% Angelus autem DominiAngelus autem Domini
  9. 🔍 33% Angelus autem DominiAngelus autem Domini
  10. 🔍 33% Sicut abundantSicut abundant
  11. 🔍 31% Verbo DominiVerbo Domini
  12. 🔍 31% Angelus autem DominiAngelus autem Domini
  13. 🔍 30% Te saeculorum PrincipemTe saeculorum Principem
  14. 🔍 30% Beata nobis gaudiaBeata nobis gaudia
  15. 🔍 30% Beata nobis gaudiaBeata nobis gaudia
  16. 🔍 30% Angelus autem DominiAngelus autem Domini
  17. 🔍 29% VeneruntVenerunt
  18. 🔍 29% Angelus autem DominiAngelus autem Domini
  19. 🔍 28% Introibo in domumIntroibo in domum
  20. 🔍 28% Jesus autemJesus autem
  21. 🔍 28% De profundisDe profundis
  22. 🔍 27% FranciscusFranciscus
  23. 🔍 27% Beata nobis gaudiaBeata nobis gaudia
  24. 🔍 27% Beata nobis gaudiaBeata nobis gaudia
  25. 🔍 27% Beata nobisBeata nobis
  26. 🔍 27% Protege DomineProtege Domine
  27. 🔍 27% Isti sunt qui veneruntIsti sunt qui venerunt
  28. 🔍 27% Te saeculorum PrincipemTe saeculorum Principem
  29. 🔍 27% LoquebanturLoquebantur
  30. 🔍 26% Te saeculorum PrincipemTe saeculorum Principem
  31. 🔍 26% ConcaluitConcaluit
  32. 🔍 26% AdducenturAdducentur
  33. 🔍 26% Posuisti Domine (All.)Posuisti Domine (All.)
  34. 🔍 26% Confiteantur DominoConfiteantur Domino
  35. 🔍 26% Exsultate DeoExsultate Deo
  36. 🔍 25% VerumtamenVerumtamen
  37. 🔍 25% Jesu corona celsior (S. Mauri abbatis)Jesu corona celsior (S. Mauri abbatis)
  38. 🔍 25% Posuisti Domine (All.)Posuisti Domine (All.)
  39. 🔍 25% Angelus Domini descenditAngelus Domini descendit
  40. 🔍 25% LiberastiLiberasti
  41. 🔍 25% LoquebanturLoquebantur
  42. 🔍 25% ConfitebunturConfitebuntur
  43. 🔍 25% Intuens in caelumIntuens in caelum
  44. 🔍 25% Justi epulentur (All.)Justi epulentur (All.)
  45. 🔍 25% Oculi omniumOculi omnium
  46. 🔍 25% Praefatio solemnis de sancta CrucePraefatio solemnis de sancta Cruce
  47. 🔍 25% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  48. 🔍 25% Protege DomineProtege Domine
  49. 🔍 24% FranciscusFranciscus
  50. 🔍 24% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  51. 🔍 24% Montes GelboeMontes Gelboe
  52. 🔍 24% Vexilla RegisVexilla Regis
  53. 🔍 24% Ut Antonini gloriamUt Antonini gloriam
  54. 🔍 24% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  55. 🔍 24% Exsultet jam AngelicaExsultet jam Angelica
  56. 🔍 24% Dedisti mihiDedisti mihi
  57. 🔍 24% HolocaustumHolocaustum
  58. 🔍 24% Mater ChristiMater Christi
  59. 🔍 24% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  60. 🔍 24% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  61. 🔍 24% Praefatio de Adventu IPraefatio de Adventu I
  62. 🔍 24% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  63. 🔍 24% Aurora surgit aureaAurora surgit aurea
  64. 🔍 24% Praefatio solemnis de Ascensione DominiPraefatio solemnis de Ascensione Domini
  65. 🔍 24% Exsultet iam angelicaExsultet iam angelica