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% DefunctiDefuncti
  2. 🔍 38% Summum RegemSummum Regem
  3. 🔍 32% Angelorum escaAngelorum esca
  4. 🔍 31% Pauper in peculioPauper in peculio
  5. 🔍 27% Decus morumDecus morum
  6. 🔍 27% Turbae curruntTurbae currunt
  7. 🔍 27% O vos unanimesO vos unanimes
  8. 🔍 27% Angelorum escaAngelorum esca
  9. 🔍 25% Oratione et devotioneOratione et devotione
  10. 🔍 25% Cum redirentCum redirent
  11. 🔍 25% Impleta gaudentImpleta gaudent
  12. 🔍 25% Aeterne rerum Conditor (Dox. Deo Patri)Aeterne rerum Conditor (Dox. Deo Patri)
  13. 🔍 25% Sanctorum meritisSanctorum meritis
  14. 🔍 25% Angelorum escaAngelorum esca
  15. 🔍 24% Benedicta filiaBenedicta filia
  16. 🔍 24% Beata nobisBeata nobis
  17. 🔍 24% Ante luciferum genitusAnte luciferum genitus
  18. 🔍 24% In ferventisIn ferventis
  19. 🔍 24% Adesto rerum conditorAdesto rerum conditor
  20. 🔍 24% Lux ecce surgit (in Aestate)Lux ecce surgit (in Aestate)
  21. 🔍 24% Eterne rerumEterne rerum
  22. 🔍 24% Fac benigneFac benigne
  23. 🔍 24% Audi benigne Conditor Audi benigne Conditor
  24. 🔍 24% Ecce ReginaEcce Regina
  25. 🔍 23% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  26. 🔍 23% Audi benigne conditorAudi benigne conditor
  27. 🔍 23% ExsultabundaExsultabunda
  28. 🔍 23% Ave MariaAve Maria
  29. 🔍 23% Gentis redemptaeGentis redemptae
  30. 🔍 23% Est secretumEst secretum
  31. 🔍 23% Ex quo religioEx quo religio
  32. 🔍 23% Ego autem sum vermisEgo autem sum vermis
  33. 🔍 23% Audi Benigne ConditorAudi Benigne Conditor
  34. 🔍 23% Precemur omnes cernuiPrecemur omnes cernui
  35. 🔍 23% Laetabitur (II)Laetabitur (II)
  36. 🔍 23% Splendor paternae gloriaeSplendor paternae gloriae
  37. 🔍 23% Bernardinum qui divinum.Bernardinum qui divinum.
  38. 🔍 23% Aeterne lucis conditorAeterne lucis conditor
  39. 🔍 23% Fulgentis auctor aetherisFulgentis auctor aetheris
  40. 🔍 23% Lux ecce surgit aureaLux ecce surgit aurea
  41. 🔍 22% Filiae JerusalemFiliae Jerusalem
  42. 🔍 22% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  43. 🔍 22% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  44. 🔍 22% Audi IsraelAudi Israel
  45. 🔍 22% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  46. 🔍 22% Splendor paternaeSplendor paternae
  47. 🔍 22% Bene omniaBene omnia
  48. 🔍 22% Non vos relinquamNon vos relinquam
  49. 🔍 22% Aeterna caeli gloriaAeterna caeli gloria
  50. 🔍 22% Iam ChristeIam Christe
  51. 🔍 21% Sancte N.Sancte N.
  52. 🔍 21% Venite exsultemus DominoVenite exsultemus Domino
  53. 🔍 21% O lux beata CaelitumO lux beata Caelitum
  54. 🔍 21% Nox et tenebraeNox et tenebrae
  55. 🔍 21% Nox et tenebrae (in Aestate)Nox et tenebrae (in Aestate)
  56. 🔍 21% Salvete Christi vulneraSalvete Christi vulnera
  57. 🔍 21% Aeterne RexAeterne Rex
  58. 🔍 21% Semitas justitiaeSemitas justitiae
  59. 🔍 21% Audi benigne ConditorAudi benigne Conditor
  60. 🔍 21% Jam ChristeJam Christe
  61. 🔍 21% Protege DomineProtege Domine
  62. 🔍 21% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  63. 🔍 21% Viderunt te aquaeViderunt te aquae
  64. 🔍 21% Angelus Domini apparuit (Resp.)Angelus Domini apparuit (Resp.)
  65. 🔍 21% Et ecce terrae motusEt ecce terrae motus