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% Surrexit quasi ignisSurrexit quasi ignis
  2. 🔍 84% Flores... tempusFlores... tempus
  3. 🔍 20% Surrexit GregoriusSurrexit Gregorius
  4. 🔍 17% Beatus quem elegistiBeatus quem elegisti
  5. 🔍 17% Lauda piaLauda pia
  6. 🔍 16% Quinque prudentesQuinque prudentes
  7. 🔍 16% Dulce lignumDulce lignum
  8. 🔍 15% Iam bone pastorIam bone pastor
  9. 🔍 14% Cum turba plurimaCum turba plurima
  10. 🔍 14% Relucens inter principesRelucens inter principes
  11. 🔍 14% Rex summe regumRex summe regum
  12. 🔍 14% Decora lux aeternitatisDecora lux aeternitatis
  13. 🔍 14% Te nostra laetisTe nostra laetis
  14. 🔍 14% Cohors beata SeraphimCohors beata Seraphim
  15. 🔍 14% DilexistiDilexisti
  16. 🔍 14% Ego sum pastor... alleluiaEgo sum pastor... alleluia
  17. 🔍 13% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  18. 🔍 13% Decora lux aeternitatisDecora lux aeternitatis
  19. 🔍 13% Beate Pastor PetreBeate Pastor Petre
  20. 🔍 13% Surrexit Dominus vere (Resp. Br. tonus solemnis)Surrexit Dominus vere (Resp. Br. tonus solemnis)
  21. 🔍 13% Apostolorum passio diemApostolorum passio diem
  22. 🔍 13% Ego sum pastor (cum Alleluia)Ego sum pastor (cum Alleluia)
  23. 🔍 13% Praeclara qua tu gloriaPraeclara qua tu gloria
  24. 🔍 13% Dominus dixit ad meDominus dixit ad me
  25. 🔍 13% Beate Pastor PetreBeate Pastor Petre
  26. 🔍 13% Jam bone pastorJam bone pastor
  27. 🔍 13% Christus resurgensChristus resurgens
  28. 🔍 13% Virgo prudentissimaVirgo prudentissima
  29. 🔍 13% O lux beata CaelitumO lux beata Caelitum
  30. 🔍 12% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  31. 🔍 12% O lux beata CaelitumO lux beata Caelitum
  32. 🔍 12% O gente felix hospitaO gente felix hospita
  33. 🔍 12% Quicumque feceritQuicumque fecerit
  34. 🔍 12% O lux beata CaelitumO lux beata Caelitum
  35. 🔍 12% DilexistiDilexisti
  36. 🔍 12% Commune vos apostoliCommune vos apostoli
  37. 🔍 12% Gaude mater AnnaGaude mater Anna
  38. 🔍 12% Exsurgat DeusExsurgat Deus
  39. 🔍 12% Qui luce splendesQui luce splendes
  40. 🔍 12% Salus et gloria - mode IVSalus et gloria - mode IV
  41. 🔍 12% Egregie DoctorEgregie Doctor
  42. 🔍 12% Jam bone pastorJam bone pastor
  43. 🔍 12% Beatus quem elegistiBeatus quem elegisti
  44. 🔍 12% O lux beata CaelitumO lux beata Caelitum
  45. 🔍 12% O lux beata CaelitumO lux beata Caelitum
  46. 🔍 12% Surrexit Dominus de sepulcro (Resp. Br. tonus solemnis)Surrexit Dominus de sepulcro (Resp. Br. tonus solemnis)
  47. 🔍 12% Jesu corona virginum (In Tempore Paschali)Jesu corona virginum (In Tempore Paschali)
  48. 🔍 12% Beate Pastor PetreBeate Pastor Petre
  49. 🔍 12% Qui luce splendesQui luce splendes
  50. 🔍 12% Omnes GentesOmnes Gentes
  51. 🔍 12% Te splendor et virtusTe splendor et virtus
  52. 🔍 12% In Deo speravitIn Deo speravit
  53. 🔍 12% Fortem virili pectore (Paschal Time)Fortem virili pectore (Paschal Time)
  54. 🔍 12% Verbum caro factum estVerbum caro factum est
  55. 🔍 12% Doctor egregie PauleDoctor egregie Paule
  56. 🔍 12% Laudibus civesLaudibus cives
  57. 🔍 12% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)
  58. 🔍 12% Quinque prudentesQuinque prudentes
  59. 🔍 12% Iste Confessorum Domini (in Feriis sextis)Iste Confessorum Domini (in Feriis sextis)
  60. 🔍 12% Iste ConfessorIste Confessor
  61. 🔍 12% Alleluia confiteminiAlleluia confitemini
  62. 🔍 12% Quasi rosaQuasi rosa
  63. 🔍 12% Ecce venioEcce venio
  64. 🔍 12% Dominus dixit ad meDominus dixit ad me
  65. 🔍 12% Gemma caelestisGemma caelestis