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% Joannes postquam senuitJoannes postquam senuit
  2. 🔍 32% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  3. 🔍 32% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  4. 🔍 31% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  5. 🔍 31% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  6. 🔍 31% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  7. 🔍 31% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  8. 🔍 30% Jesu dulcis memoria!Jesu dulcis memoria!
  9. 🔍 30% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  10. 🔍 30% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  11. 🔍 30% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  12. 🔍 29% Audit tyrannus anxiusAudit tyrannus anxius
  13. 🔍 28% Jesu Rex admirabilisJesu Rex admirabilis
  14. 🔍 28% Salvete flores MartyrumSalvete flores Martyrum
  15. 🔍 27% Salvete flores MartyrumSalvete flores Martyrum
  16. 🔍 27% Jesu corona caelitumJesu corona caelitum
  17. 🔍 26% Jesu Salvator saeculiJesu Salvator saeculi
  18. 🔍 24% Jesu redemptor omniumJesu redemptor omnium
  19. 🔍 24% Spe mercedisSpe mercedis
  20. 🔍 23% Exsultet mentisExsultet mentis
  21. 🔍 22% Crux fidelisCrux fidelis
  22. 🔍 22% O Christe robur MartyrumO Christe robur Martyrum
  23. 🔍 22% O Martyr invictissimeO Martyr invictissime
  24. 🔍 21% Protexisti meProtexisti me
  25. 🔍 21% Magnae dies... nobisMagnae dies... nobis
  26. 🔍 21% Regem venturum DominumRegem venturum Dominum
  27. 🔍 21% Gratuletur EcclesiaGratuletur Ecclesia
  28. 🔍 20% Ave stellaAve stella
  29. 🔍 20% Saepe MartyrSaepe Martyr
  30. 🔍 20% O splendor pudicitiaeO splendor pudicitiae
  31. 🔍 20% Qui luce splendesQui luce splendes
  32. 🔍 19% Pie Jesu DominePie Jesu Domine
  33. 🔍 19% Mundi renovatioMundi renovatio
  34. 🔍 19% Salve crux sanctaSalve crux sancta
  35. 🔍 19% Ascendit ChristusAscendit Christus
  36. 🔍 19% Ave maris stellaAve maris stella
  37. 🔍 19% O radix JesseO radix Jesse
  38. 🔍 19% Jesse proles quibus dolesJesse proles quibus doles
  39. 🔍 19% O vos omnesO vos omnes
  40. 🔍 18% Erit autem sanguisErit autem sanguis
  41. 🔍 18% Qui luce splendesQui luce splendes
  42. 🔍 18% De tumbaDe tumba
  43. 🔍 18% Veni Regina nostraVeni Regina nostra
  44. 🔍 18% Si vis vera frui luce.Si vis vera frui luce.
  45. 🔍 18% GloriabunturGloriabuntur
  46. 🔍 18% O spem miramO spem miram
  47. 🔍 18% O spem miramO spem miram
  48. 🔍 18% Dextera DeiDextera Dei
  49. 🔍 18% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  50. 🔍 18% Relucens inter principesRelucens inter principes
  51. 🔍 18% Christe Redemptor omnium conservaChriste Redemptor omnium conserva
  52. 🔍 18% Egredietur virgaEgredietur virga
  53. 🔍 18% Te sancte rursus LudoviceTe sancte rursus Ludovice
  54. 🔍 18% O AdonaiO Adonai
  55. 🔍 18% Cohors beata SeraphimCohors beata Seraphim
  56. 🔍 17% Stephani victoria!Stephani victoria!
  57. 🔍 17% Oculi omniumOculi omnium
  58. 🔍 17% O spem miramO spem miram
  59. 🔍 17% Surrexit Dominus etSurrexit Dominus et
  60. 🔍 17% Auctor salutisAuctor salutis
  61. 🔍 17% Te Joseph celebrentTe Joseph celebrent
  62. 🔍 17% Laudibus civesLaudibus cives
  63. 🔍 17% Vitae novae praevia!Vitae novae praevia!
  64. 🔍 17% Te Joseph celebrentTe Joseph celebrent
  65. 🔍 17% Te nostra laetisTe nostra laetis