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% Solemnitas gloriosaeSolemnitas gloriosae
  2. 🔍 61% Nativitas gloriosaeNativitas gloriosae
  3. 🔍 58% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  4. 🔍 57% Nativitas gloriosaeNativitas gloriosae
  5. 🔍 31% Nativitas gloriosaeNativitas gloriosae
  6. 🔍 30% Solemnitas est hodieSolemnitas est hodie
  7. 🔍 28% Ecce crucem DominiEcce crucem Domini
  8. 🔍 27% SolemnitasSolemnitas
  9. 🔍 27% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  10. 🔍 26% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  11. 🔍 26% SolemnitasSolemnitas
  12. 🔍 26% Felix namqueFelix namque
  13. 🔍 25% LaudibusLaudibus
  14. 🔍 25% Verbum caro factum estVerbum caro factum est
  15. 🔍 24% Rerum omniumRerum omnium
  16. 🔍 24% Venite exultemus IV GVenite exultemus IV G
  17. 🔍 24% Clamavi in toto cordeClamavi in toto corde
  18. 🔍 24% Immensa et unaImmensa et una
  19. 🔍 24% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  20. 🔍 24% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  21. 🔍 23% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  22. 🔍 23% Corde et animoCorde et animo
  23. 🔍 23% Ne timeasNe timeas
  24. 🔍 23% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  25. 🔍 23% Laetamini in DominoLaetamini in Domino
  26. 🔍 23% Veni Redemptor gentiumVeni Redemptor gentium
  27. 🔍 23% O mundi lampasO mundi lampas
  28. 🔍 22% Summae Deus clementiae septemSummae Deus clementiae septem
  29. 🔍 22% ExaltareExaltare
  30. 🔍 22% Martinus Abrahae sinuMartinus Abrahae sinu
  31. 🔍 22% Alleluia (ant. mode 7)Alleluia (ant. mode 7)
  32. 🔍 22% PassionemPassionem
  33. 🔍 22% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  34. 🔍 22% A solis ortusA solis ortus
  35. 🔍 22% InclytaInclyta
  36. 🔍 22% Lauda piaLauda pia
  37. 🔍 22% Alleluia (ant. mode I)Alleluia (ant. mode I)
  38. 🔍 22% Ecce completa suntEcce completa sunt
  39. 🔍 22% Gloria VIIGloria VII
  40. 🔍 22% Laetamini in DominoLaetamini in Domino
  41. 🔍 21% Alleluia (ant. mode 5)Alleluia (ant. mode 5)
  42. 🔍 21% Pauperes SionPauperes Sion
  43. 🔍 21% Audit tyrannus anxiusAudit tyrannus anxius
  44. 🔍 21% Aspice DomineAspice Domine
  45. 🔍 21% Sacerdotes tuiSacerdotes tui
  46. 🔍 21% Tu Trinitatis UnitasTu Trinitatis Unitas
  47. 🔍 21% Magnus sanctus PaulusMagnus sanctus Paulus
  48. 🔍 21% Beata AgathaBeata Agatha
  49. 🔍 21% Alleluia (ant. mode 2)Alleluia (ant. mode 2)
  50. 🔍 21% O mira caritasO mira caritas
  51. 🔍 21% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  52. 🔍 21% Tu Trinitatis UnitasTu Trinitatis Unitas
  53. 🔍 21% In regenerationeIn regeneratione
  54. 🔍 21% Transeunte DominoTranseunte Domino
  55. 🔍 21% Audita est quasi voxAudita est quasi vox
  56. 🔍 21% Dabit eiDabit ei
  57. 🔍 21% Apostolorum passio diemApostolorum passio diem
  58. 🔍 21% Felix namque esFelix namque es
  59. 🔍 21% Dum auroraDum aurora
  60. 🔍 21% Tu Trinitatis unitasTu Trinitatis unitas
  61. 🔍 21% Relucens inter principesRelucens inter principes
  62. 🔍 21% In medio EcclesiaeIn medio Ecclesiae
  63. 🔍 21% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  64. 🔍 21% Afferentur Regi virginesAfferentur Regi virgines
  65. 🔍 21% Te nostra laetisTe nostra laetis