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 VIIIAgnus Dei VIII
  2. 🔍 77% Agnus Dei XIAgnus Dei XI
  3. 🔍 50% Agnus Dei IXAgnus Dei IX
  4. 🔍 49% Agnus (November 2)Agnus (November 2)
  5. 🔍 44% Agnus VIIIAgnus VIII
  6. 🔍 37% Agnus VIII (de Missa Solemni Vespertina in Cena Domini)Agnus VIII (de Missa Solemni Vespertina in Cena Domini)
  7. 🔍 32% GloriaGloria
  8. 🔍 25% Ave Rex nosterAve Rex noster
  9. 🔍 24% Lumen HilareLumen Hilare
  10. 🔍 23% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  11. 🔍 23% Viderunt omnesViderunt omnes
  12. 🔍 23% Deus IsraelDeus Israel
  13. 🔍 21% Pueri Hebraeorum 2Pueri Hebraeorum 2
  14. 🔍 20% Mandatum novumMandatum novum
  15. 🔍 20% Victimae paschaliVictimae paschali
  16. 🔍 19% SuscepimusSuscepimus
  17. 🔍 19% Kyrie IXKyrie IX
  18. 🔍 19% Ad te levaviAd te levavi
  19. 🔍 19% SuscepimusSuscepimus
  20. 🔍 19% Homo quidam fecitHomo quidam fecit
  21. 🔍 19% Benedicta es tu (Grad)Benedicta es tu (Grad)
  22. 🔍 18% Dico vobisDico vobis
  23. 🔍 18% Ex ore infantiumEx ore infantium
  24. 🔍 18% Os justiOs justi
  25. 🔍 18% AscendamAscendam
  26. 🔍 18% Domine non secundumDomine non secundum
  27. 🔍 18% Adorna thalamumAdorna thalamum
  28. 🔍 17% Calix benedictionisCalix benedictionis
  29. 🔍 17% Justorum animaeJustorum animae
  30. 🔍 17% Suscepimus Deus (Grad.)Suscepimus Deus (Grad.)
  31. 🔍 17% Credo IIICredo III
  32. 🔍 17% In splendoribusIn splendoribus
  33. 🔍 17% Vera fidesVera fides
  34. 🔍 17% Gaudeamus ... AnnaGaudeamus ... Anna
  35. 🔍 17% Hodie beata VirgoHodie beata Virgo
  36. 🔍 17% Dum venerit ParaclitusDum venerit Paraclitus
  37. 🔍 17% CoeperuntCoeperunt
  38. 🔍 17% Primum quaeritePrimum quaerite
  39. 🔍 17% QuotiescumqueQuotiescumque
  40. 🔍 17% IntroiboIntroibo
  41. 🔍 17% HosannaHosanna
  42. 🔍 17% Hoc CorpusHoc Corpus
  43. 🔍 16% Introibo ad Altare DeiIntroibo ad Altare Dei
  44. 🔍 16% Before the ending of the day (ferial tone)Before the ending of the day (ferial tone)
  45. 🔍 16% Before the ending of the day (Memorials and Feasts of Our Lady)Before the ending of the day (Memorials and Feasts of Our Lady)
  46. 🔍 16% Protexisti meProtexisti me
  47. 🔍 16% Dicit DominusDicit Dominus
  48. 🔍 16% In SplendoribusIn Splendoribus
  49. 🔍 16% Before the ending of the day (Memorial tone)Before the ending of the day (Memorial tone)
  50. 🔍 16% ConcepcioConcepcio
  51. 🔍 16% SuscepimusSuscepimus
  52. 🔍 16% HumiliavitHumiliavit
  53. 🔍 16% LoquebarLoquebar
  54. 🔍 16% Deus IsraelDeus Israel
  55. 🔍 16% Crastina dieCrastina die
  56. 🔍 16% SanctificavitSanctificavit
  57. 🔍 16% Hodie beata V. M. puerumHodie beata V. M. puerum
  58. 🔍 16% Adjuvabit eamAdjuvabit eam
  59. 🔍 16% Intret in conspectuIntret in conspectu
  60. 🔍 16% Before the ending of the day (Feast tone)Before the ending of the day (Feast tone)
  61. 🔍 16% Crucem tuam adoramusCrucem tuam adoramus
  62. 🔍 16% Adorate DeumAdorate Deum
  63. 🔍 16% Gaudeamus ... AgathaGaudeamus ... Agatha
  64. 🔍 16% Domine Deus... qui repertusDomine Deus... qui repertus
  65. 🔍 16% Gaudeamus ... ConceptionGaudeamus ... Conception