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% Agnus Dei IXAgnus Dei IX
  2. 🔍 59% Agnus Dei XIAgnus Dei XI
  3. 🔍 50% Agnus Dei VIIIAgnus Dei VIII
  4. 🔍 46% Agnus (November 2)Agnus (November 2)
  5. 🔍 33% GloriaGloria
  6. 🔍 24% Ave Rex nosterAve Rex noster
  7. 🔍 22% Viderunt omnesViderunt omnes
  8. 🔍 22% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  9. 🔍 22% Credo IIICredo III
  10. 🔍 21% Lumen HilareLumen Hilare
  11. 🔍 21% Pueri Hebraeorum 2Pueri Hebraeorum 2
  12. 🔍 20% Sanctus IXSanctus IX
  13. 🔍 20% QuotiescumqueQuotiescumque
  14. 🔍 19% Deus IsraelDeus Israel
  15. 🔍 19% Introibo ad Altare DeiIntroibo ad Altare Dei
  16. 🔍 19% Vera fidesVera fides
  17. 🔍 19% Ad te levaviAd te levavi
  18. 🔍 19% Victimae paschaliVictimae paschali
  19. 🔍 18% Justorum animaeJustorum animae
  20. 🔍 18% Dum venerit ParaclitusDum venerit Paraclitus
  21. 🔍 18% Domine non secundumDomine non secundum
  22. 🔍 18% Adjuvabit eamAdjuvabit eam
  23. 🔍 18% HosannaHosanna
  24. 🔍 18% Before the ending of the day (Memorials and Feasts of Our Lady)Before the ending of the day (Memorials and Feasts of Our Lady)
  25. 🔍 18% Ex ore infantiumEx ore infantium
  26. 🔍 18% Felices sensusFelices sensus
  27. 🔍 18% Kyrie IXKyrie IX
  28. 🔍 18% Suscepimus Deus (Grad.)Suscepimus Deus (Grad.)
  29. 🔍 17% Crastina dieCrastina die
  30. 🔍 17% SuscepimusSuscepimus
  31. 🔍 17% VoveteVovete
  32. 🔍 17% Lauda Syon SalvatoremLauda Syon Salvatorem
  33. 🔍 17% Domus MeaDomus Mea
  34. 🔍 17% SuscepimusSuscepimus
  35. 🔍 17% Before the ending of the day (ferial tone)Before the ending of the day (ferial tone)
  36. 🔍 17% Beati Mundo CordeBeati Mundo Corde
  37. 🔍 17% Adorna thalamumAdorna thalamum
  38. 🔍 17% SuscepimusSuscepimus
  39. 🔍 17% ConcepcioConcepcio
  40. 🔍 17% LoquebarLoquebar
  41. 🔍 16% Sanctus XISanctus XI
  42. 🔍 16% Christus unamChristus unam
  43. 🔍 16% Domine Jesu ChristeDomine Jesu Christe
  44. 🔍 16% Terribilis estTerribilis est
  45. 🔍 16% Gaudeamus ... AnnaGaudeamus ... Anna
  46. 🔍 16% Os justiOs justi
  47. 🔍 16% IntroiboIntroibo
  48. 🔍 16% HumiliavitHumiliavit
  49. 🔍 16% Before the ending of the day (Epiphany tone)Before the ending of the day (Epiphany tone)
  50. 🔍 16% EmendemusEmendemus
  51. 🔍 16% Before the ending of the day (Memorial tone)Before the ending of the day (Memorial tone)
  52. 🔍 16% Before the ending of the day (Solemnity tone)Before the ending of the day (Solemnity tone)
  53. 🔍 16% DolorosaDolorosa
  54. 🔍 16% Calix benedictionisCalix benedictionis
  55. 🔍 16% Simile Est RegnumSimile Est Regnum
  56. 🔍 16% Adorna ThalamumAdorna Thalamum
  57. 🔍 16% Misericordia DominiMisericordia Domini
  58. 🔍 16% Si iniquitatesSi iniquitates
  59. 🔍 16% Justorum animaeJustorum animae
  60. 🔍 15% Propitius estoPropitius esto
  61. 🔍 15% Before the ending of the day (Sunday tone)Before the ending of the day (Sunday tone)
  62. 🔍 15% Salvator mundiSalvator mundi
  63. 🔍 15% Beata visceraBeata viscera
  64. 🔍 15% Protexisti meProtexisti me
  65. 🔍 15% DilexistiDilexisti