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% O Clavis DavidO Clavis David
  2. 🔍 78% O clavis DavidO clavis David
  3. 🔍 74% O clavis DavidO clavis David
  4. 🔍 72% O ClavisO Clavis
  5. 🔍 71% O Clavis DavidO Clavis David
  6. 🔍 71% O Clavis DavidO Clavis David
  7. 🔍 68% O clavis DavidO clavis David
  8. 🔍 62% O clavis David et sceptrumO clavis David et sceptrum
  9. 🔍 61% O Clavis DavidO Clavis David
  10. 🔍 48% O OriensO Oriens
  11. 🔍 45% O EmmanuelO Emmanuel
  12. 🔍 43% O AdonaiO Adonai
  13. 🔍 39% O Rex gentiumO Rex gentium
  14. 🔍 39% O Radix IesseO Radix Iesse
  15. 🔍 33% O SapientiaO Sapientia
  16. 🔍 33% Vigilate animoVigilate animo
  17. 🔍 33% Dabo in SionDabo in Sion
  18. 🔍 31% Ecce veniet Deus et homoEcce veniet Deus et homo
  19. 🔍 31% Ecce veniet Dominus ut sedeatEcce veniet Dominus ut sedeat
  20. 🔍 30% O OriensO Oriens
  21. 🔍 30% Ostende nobis DomineOstende nobis Domine
  22. 🔍 30% Veni Domine et noli (Ant.)Veni Domine et noli (Ant.)
  23. 🔍 30% Dominus legifer nosterDominus legifer noster
  24. 🔍 30% Ecce apparebitEcce apparebit
  25. 🔍 29% Ecce Dominus venietEcce Dominus veniet
  26. 🔍 29% Ponent Domino gloriamPonent Domino gloriam
  27. 🔍 28% Levabit DominusLevabit Dominus
  28. 🔍 27% Non auferetur sceptrum de JudaNon auferetur sceptrum de Juda
  29. 🔍 27% Ante me non estAnte me non est
  30. 🔍 27% Nolite timereNolite timere
  31. 🔍 27% Dum veneritDum venerit
  32. 🔍 27% Constantes estoteConstantes estote
  33. 🔍 27% Sion renovaberisSion renovaberis
  34. 🔍 27% O OriensO Oriens
  35. 🔍 27% O OriensO Oriens
  36. 🔍 27% Paratus esto IsraelParatus esto Israel
  37. 🔍 27% Iuste et pieIuste et pie
  38. 🔍 27% Ecce veniet desideratusEcce veniet desideratus
  39. 🔍 27% Super solium DavidSuper solium David
  40. 🔍 27% Erunt pravaErunt prava
  41. 🔍 26% O OriensO Oriens
  42. 🔍 26% De caelo venietDe caelo veniet
  43. 🔍 26% Erumpant montesErumpant montes
  44. 🔍 26% Ecce iam venitEcce iam venit
  45. 🔍 26% Veniet fortiorVeniet fortior
  46. 🔍 26% Deus a LibanoDeus a Libano
  47. 🔍 26% Ecce in nubibusEcce in nubibus
  48. 🔍 26% Annuntiate populisAnnuntiate populis
  49. 🔍 25% Tu BethlehemTu Bethlehem
  50. 🔍 25% Omnipotens SermoOmnipotens Sermo
  51. 🔍 25% Dicite pusillanimesDicite pusillanimes
  52. 🔍 25% Emitte Agnum DomineEmitte Agnum Domine
  53. 🔍 25% Ioannes autemIoannes autem
  54. 🔍 25% O Virgo virginumO Virgo virginum
  55. 🔍 25% IntueminiIntuemini
  56. 🔍 25% Dilectio DeiDilectio Dei
  57. 🔍 25% Montes et omnesMontes et omnes
  58. 🔍 25% Qui post me venitQui post me venit
  59. 🔍 25% De Sion venietDe Sion veniet
  60. 🔍 24% Invocabit meInvocabit me
  61. 🔍 24% Vigilate itaqueVigilate itaque
  62. 🔍 24% Completi suntCompleti sunt
  63. 🔍 24% Ne timeas MariaNe timeas Maria
  64. 🔍 24% Ierusalem respiceIerusalem respice
  65. 🔍 24% Veniet Dominus in potestateVeniet Dominus in potestate