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% O AdonaiO Adonai
  2. 🔍 97% O AdonaiO Adonai
  3. 🔍 64% O AdonaiO Adonai
  4. 🔍 61% O AdonaiO Adonai
  5. 🔍 61% O AdonaiO Adonai
  6. 🔍 60% O AdonaiO Adonai
  7. 🔍 60% O AdonaiO Adonai
  8. 🔍 47% O EmmanuelO Emmanuel
  9. 🔍 47% O EmmanuelO Emmanuel
  10. 🔍 45% O SapientiaO Sapientia
  11. 🔍 45% O SapientiaO Sapientia
  12. 🔍 45% O OriensO Oriens
  13. 🔍 45% O OriensO Oriens
  14. 🔍 44% O Rex gentiumO Rex gentium
  15. 🔍 44% O Rex gentiumO Rex gentium
  16. 🔍 42% O Clavis DavidO Clavis David
  17. 🔍 42% O Clavis DavidO Clavis David
  18. 🔍 41% Adonai Domine Deus (mode 8)Adonai Domine Deus (mode 8)
  19. 🔍 41% O Radix IesseO Radix Iesse
  20. 🔍 41% O Radix IesseO Radix Iesse
  21. 🔍 38% Adonai Domine Deus (mode 3)Adonai Domine Deus (mode 3)
  22. 🔍 36% Vigilate animoVigilate animo
  23. 🔍 36% Vigilate animoVigilate animo
  24. 🔍 34% Exsultemus in DominoExsultemus in Domino
  25. 🔍 33% Crastina dieCrastina die
  26. 🔍 33% Domine in caeloDomine in caelo
  27. 🔍 32% Quem vidistisQuem vidistis
  28. 🔍 32% In DominoIn Domino
  29. 🔍 32% Tu BethlehemTu Bethlehem
  30. 🔍 32% Tu BethlehemTu Bethlehem
  31. 🔍 32% Tu BethlehemTu Bethlehem
  32. 🔍 32% Tu BethlehemTu Bethlehem
  33. 🔍 32% Crastina dieCrastina die
  34. 🔍 32% Paratus estoParatus esto
  35. 🔍 32% Paratus estoParatus esto
  36. 🔍 32% Deduc me in via aeternaDeduc me in via aeterna
  37. 🔍 32% Ecce Dominus noster... et brachioEcce Dominus noster... et brachio
  38. 🔍 31% Miserator DominusMiserator Dominus
  39. 🔍 31% Salus aeterna mundoSalus aeterna mundo
  40. 🔍 31% Sana DomineSana Domine
  41. 🔍 31% In domum DominiIn domum Domini
  42. 🔍 30% Usque modoUsque modo
  43. 🔍 30% Fili recordareFili recordare
  44. 🔍 30% Redemisti nos DeoRedemisti nos Deo
  45. 🔍 30% Iesus Christus heriIesus Christus heri
  46. 🔍 30% Dirupisti DomineDirupisti Domine
  47. 🔍 30% O Rex gloriaeO Rex gloriae
  48. 🔍 30% ConsolaminiConsolamini
  49. 🔍 30% Ego enim ex DeoEgo enim ex Deo
  50. 🔍 30% Lux de luceLux de luce
  51. 🔍 30% Domine Deus in adiutoriumDomine Deus in adiutorium
  52. 🔍 30% Sedebit DominusSedebit Dominus
  53. 🔍 30% Te qui in SpirituTe qui in Spiritu
  54. 🔍 30% VoveteVovete
  55. 🔍 29% Domine rex omnipotens liberaDomine rex omnipotens libera
  56. 🔍 29% Ego sum ostiumEgo sum ostium
  57. 🔍 29% Domine clamaviDomine clamavi
  58. 🔍 29% Ego sum ostiumEgo sum ostium
  59. 🔍 29% Laudabilis VirgoLaudabilis Virgo
  60. 🔍 29% Ecce apparebitEcce apparebit
  61. 🔍 29% Ecce apparebitEcce apparebit
  62. 🔍 29% Ad te levaviAd te levavi
  63. 🔍 29% In die tribulationisIn die tribulationis
  64. 🔍 29% Qui perdiderit 1 (Mode 1f-de)Qui perdiderit 1 (Mode 1f-de)
  65. 🔍 29% Opera quae egoOpera quae ego