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% Urbs fortitudinisUrbs fortitudinis
  2. 🔍 100% Urbs fortitudinisUrbs fortitudinis
  3. 🔍 93% Urbs fortitudinisUrbs fortitudinis
  4. 🔍 93% Urbs fortitudinisUrbs fortitudinis
  5. 🔍 65% Urbs fortitudinisUrbs fortitudinis
  6. 🔍 61% Urbs fortitudinis nostraeUrbs fortitudinis nostrae
  7. 🔍 52% Urbs fortitudinis nostrae SionUrbs fortitudinis nostrae Sion
  8. 🔍 51% Urbs fortitudinisUrbs fortitudinis
  9. 🔍 35% Urbs fortitudinisUrbs fortitudinis
  10. 🔍 33% Sion renovaberisSion renovaberis
  11. 🔍 33% Sion renovaberisSion renovaberis
  12. 🔍 32% Omnis vallisOmnis vallis
  13. 🔍 31% Omnis vallis (Mode 5a)Omnis vallis (Mode 5a)
  14. 🔍 30% Emitte AgnumEmitte Agnum
  15. 🔍 30% Qui sitit veniatQui sitit veniat
  16. 🔍 30% Sion noli timereSion noli timere
  17. 🔍 30% Sion noli timereSion noli timere
  18. 🔍 30% Quaerite DominumQuaerite Dominum
  19. 🔍 30% Quaerite DominumQuaerite Dominum
  20. 🔍 30% Ecce veniet ProphetaEcce veniet Propheta
  21. 🔍 30% Veni Domine et noliVeni Domine et noli
  22. 🔍 30% Veni Domine et noliVeni Domine et noli
  23. 🔍 30% Te qui in SpirituTe qui in Spiritu
  24. 🔍 29% De nocteDe nocte
  25. 🔍 29% Emitte AgnumEmitte Agnum
  26. 🔍 29% Dabo in SionDabo in Sion
  27. 🔍 29% Dabo in SionDabo in Sion
  28. 🔍 29% Exspectabo DominumExspectabo Dominum
  29. 🔍 29% Exspectabo DominumExspectabo Dominum
  30. 🔍 28% Annuntiate populisAnnuntiate populis
  31. 🔍 28% Angelus ad pastoresAngelus ad pastores
  32. 🔍 28% Magnum mysteriumMagnum mysterium
  33. 🔍 28% Vox clamantis in eremoVox clamantis in eremo
  34. 🔍 28% Vox clamantis in eremoVox clamantis in eremo
  35. 🔍 28% ExspecteturExspectetur
  36. 🔍 28% ExspecteturExspectetur
  37. 🔍 28% Manete autemManete autem
  38. 🔍 28% Tu es qui venturus DomineTu es qui venturus Domine
  39. 🔍 28% Ecce Dominus venietEcce Dominus veniet
  40. 🔍 28% Ecce Dominus venietEcce Dominus veniet
  41. 🔍 28% Spiritus Sanctus in teSpiritus Sanctus in te
  42. 🔍 28% Spiritus Sanctus in teSpiritus Sanctus in te
  43. 🔍 28% Ecce veniet ProphetaEcce veniet Propheta
  44. 🔍 28% Oves meaeOves meae
  45. 🔍 28% Confortate manusConfortate manus
  46. 🔍 28% Ad te Domine levaviAd te Domine levavi
  47. 🔍 27% Dominus legiferDominus legifer
  48. 🔍 27% Dominus legiferDominus legifer
  49. 🔍 27% Ecce in nubibusEcce in nubibus
  50. 🔍 27% Ecce in nubibusEcce in nubibus
  51. 🔍 27% Dominus venietDominus veniet
  52. 🔍 27% Dominus venietDominus veniet
  53. 🔍 27% Ierusalem gaudeIerusalem gaude
  54. 🔍 27% Confortate manusConfortate manus
  55. 🔍 27% Filii SionFilii Sion
  56. 🔍 27% Te decet hymnusTe decet hymnus
  57. 🔍 27% Gaudete in DominoGaudete in Domino
  58. 🔍 27% Gaudete in DominoGaudete in Domino
  59. 🔍 27% Ecce Rex venietEcce Rex veniet
  60. 🔍 27% Ecce rex venietEcce rex veniet
  61. 🔍 27% Mane nobiscumMane nobiscum
  62. 🔍 27% Benedicta tu inBenedicta tu in
  63. 🔍 26% Rex nosterRex noster
  64. 🔍 26% Rex nosterRex noster
  65. 🔍 26% Peccati aculeusPeccati aculeus