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% Vir Dei AntoniusVir Dei Antonius
  2. 🔍 29% O spem miramO spem miram
  3. 🔍 28% Quomodo fiet istudQuomodo fiet istud
  4. 🔍 28% Cornelius centurioCornelius centurio
  5. 🔍 27% Ex ejus tumbaEx ejus tumba
  6. 🔍 26% Te sanctum DominumTe sanctum Dominum
  7. 🔍 26% Beata AgathaBeata Agatha
  8. 🔍 26% Felix spinaFelix spina
  9. 🔍 26% Audita est quasi voxAudita est quasi vox
  10. 🔍 26% Recordare VirgoRecordare Virgo
  11. 🔍 26% Felix namqueFelix namque
  12. 🔍 25% Haec hora (Pentecostes)Haec hora (Pentecostes)
  13. 🔍 25% Gloriosus Dei amicusGloriosus Dei amicus
  14. 🔍 25% Scio cui credidiScio cui credidi
  15. 🔍 25% Concede nobis DomineConcede nobis Domine
  16. 🔍 24% Jam Christus astraJam Christus astra
  17. 🔍 24% Sancte PauleSancte Paule
  18. 🔍 24% Terribilis estTerribilis est
  19. 🔍 24% O spem miramO spem miram
  20. 🔍 24% O spem miramO spem miram
  21. 🔍 24% Te saeculorum PrincipemTe saeculorum Principem
  22. 🔍 24% Iam ChristusIam Christus
  23. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  24. 🔍 24% Jam Christus astraJam Christus astra
  25. 🔍 24% Aspice DomineAspice Domine
  26. 🔍 24% Beata nobis gaudiaBeata nobis gaudia
  27. 🔍 23% O spem miramO spem miram
  28. 🔍 23% Eia gaudete MartinoEia gaudete Martino
  29. 🔍 23% Sertum gestansSertum gestans
  30. 🔍 23% A solis ortusA solis ortus
  31. 🔍 23% Loquens JosephLoquens Joseph
  32. 🔍 23% Mihi absit gloriari nisi in cruceMihi absit gloriari nisi in cruce
  33. 🔍 23% Magnus sanctus PaulusMagnus sanctus Paulus
  34. 🔍 23% OmnipotentiOmnipotenti
  35. 🔍 23% Venite servi (Pentecostes)Venite servi (Pentecostes)
  36. 🔍 23% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  37. 🔍 23% Haec tuae virgoHaec tuae virgo
  38. 🔍 23% Christi milesChristi miles
  39. 🔍 22% Iam lucis orto sidere (solemnitatibus)Iam lucis orto sidere (solemnitatibus)
  40. 🔍 22% Omnis pulchritudoOmnis pulchritudo
  41. 🔍 22% Hostis HerodesHostis Herodes
  42. 🔍 22% Jam lucis orto sidere (In Festo Pentecostes)Jam lucis orto sidere (In Festo Pentecostes)
  43. 🔍 22% Jam feroxJam ferox
  44. 🔍 22% Ego enim jam deliborEgo enim jam delibor
  45. 🔍 22% Aeterna imago AltissimiAeterna imago Altissimi
  46. 🔍 22% Lux perpetuaLux perpetua
  47. 🔍 22% Veni Redemptor gentiumVeni Redemptor gentium
  48. 🔍 22% Inter natosInter natos
  49. 🔍 22% O MartineO Martine
  50. 🔍 21% Benedictus Dominus quia hodieBenedictus Dominus quia hodie
  51. 🔍 21% Rerum Deus (In Festo Pentecostes)Rerum Deus (In Festo Pentecostes)
  52. 🔍 21% Gloria XIIIGloria XIII
  53. 🔍 21% Ira justa conditorisIra justa conditoris
  54. 🔍 21% Te saeculorum PrincipemTe saeculorum Principem
  55. 🔍 21% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  56. 🔍 21% Igitur perfecti suntIgitur perfecti sunt
  57. 🔍 20% Legis sacrataeLegis sacratae
  58. 🔍 20% Ad regias Agni dapesAd regias Agni dapes
  59. 🔍 20% Vexilla RegisVexilla Regis
  60. 🔍 20% Ad cenamAd cenam
  61. 🔍 20% Ex more docti mysticoEx more docti mystico
  62. 🔍 20% Sicut oculiSicut oculi
  63. 🔍 20% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  64. 🔍 20% Per tuam crucemPer tuam crucem
  65. 🔍 20% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)