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% Assumptus ex equuleoAssumptus ex equuleo
  2. 🔍 27% A solis ortusA solis ortus
  3. 🔍 26% Veni Redemptor gentiumVeni Redemptor gentium
  4. 🔍 26% Beatus VincentiusBeatus Vincentius
  5. 🔍 25% CopiosaeCopiosae
  6. 🔍 25% Iam ChristusIam Christus
  7. 🔍 25% VespereVespere
  8. 🔍 24% Jam Christus astraJam Christus astra
  9. 🔍 24% Virginis CatharinaeVirginis Catharinae
  10. 🔍 23% EgregiusEgregius
  11. 🔍 23% Aeterna imago AltissimiAeterna imago Altissimi
  12. 🔍 23% Beatus AntoninusBeatus Antoninus
  13. 🔍 23% Divinis namqueDivinis namque
  14. 🔍 23% Hostis HerodesHostis Herodes
  15. 🔍 23% Ne timeasNe timeas
  16. 🔍 23% Jam Christus astraJam Christus astra
  17. 🔍 22% Legis sacrataeLegis sacratae
  18. 🔍 22% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  19. 🔍 22% Ad cenamAd cenam
  20. 🔍 22% Adest... celebrisAdest... celebris
  21. 🔍 22% Beata AgathaBeata Agatha
  22. 🔍 21% Cum pervenisset beatusCum pervenisset beatus
  23. 🔍 21% Angularis fundamentumAngularis fundamentum
  24. 🔍 21% Angularis fundamentumAngularis fundamentum
  25. 🔍 21% Christus JesusChristus Jesus
  26. 🔍 21% Quis... homoQuis... homo
  27. 🔍 21% Crux fidelisCrux fidelis
  28. 🔍 21% Venite servi (Pentecostes)Venite servi (Pentecostes)
  29. 🔍 21% Rex gloriose MartyrumRex gloriose Martyrum
  30. 🔍 21% Miris modis repenteMiris modis repente
  31. 🔍 21% O MartineO Martine
  32. 🔍 21% Deus tuorum militumDeus tuorum militum
  33. 🔍 21% Cum pervenisset beatus AndreasCum pervenisset beatus Andreas
  34. 🔍 21% O SapientiaO Sapientia
  35. 🔍 20% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  36. 🔍 20% Jam feroxJam ferox
  37. 🔍 20% Vexilla Christus inclytaVexilla Christus inclyta
  38. 🔍 20% Gloria XIIIGloria XIII
  39. 🔍 20% Gloriosus Dei amicusGloriosus Dei amicus
  40. 🔍 20% Veniens Mater InclitusVeniens Mater Inclitus
  41. 🔍 20% Ex ejus tumbaEx ejus tumba
  42. 🔍 20% Deus tuorum II Cl.Deus tuorum II Cl.
  43. 🔍 20% Felix namque esFelix namque es
  44. 🔍 20% Gloria laudisGloria laudis
  45. 🔍 20% Ex more docti mysticoEx more docti mystico
  46. 🔍 20% Rector potens (In Festo Pentecostes)Rector potens (In Festo Pentecostes)
  47. 🔍 20% Sertum gestansSertum gestans
  48. 🔍 20% In monte olivisIn monte olivis
  49. 🔍 20% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  50. 🔍 20% Pange lingua... proeliumPange lingua... proelium
  51. 🔍 20% PrincepsPrinceps
  52. 🔍 20% Cum pervenisset beatus AndreasCum pervenisset beatus Andreas
  53. 🔍 20% In medio EcclesiaeIn medio Ecclesiae
  54. 🔍 20% O SapientiaO Sapientia
  55. 🔍 20% Tu principatumTu principatum
  56. 🔍 20% Ex more docti MysticoEx more docti Mystico
  57. 🔍 20% Nunc Sancte nobis (In Quadragesima)Nunc Sancte nobis (In Quadragesima)
  58. 🔍 20% Iste Confessor (Pro Doctoribus)Iste Confessor (Pro Doctoribus)
  59. 🔍 20% Summi sacerdos NuminisSummi sacerdos Numinis
  60. 🔍 20% Quodcumque in orbeQuodcumque in orbe
  61. 🔍 20% MemorareMemorare
  62. 🔍 20% A solis ortus cardineA solis ortus cardine
  63. 🔍 20% Ad te... vigilansAd te... vigilans
  64. 🔍 20% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  65. 🔍 20% Cum turba plurimaCum turba plurima