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% Ad Pater nosterAd Pater noster
  2. 🔍 49% Ad Pax DominiAd Pax Domini
  3. 🔍 48% Pater noster (Ad Horas minores et Completorium)Pater noster (Ad Horas minores et Completorium)
  4. 🔍 44% Ad Orationes IAd Orationes I
  5. 🔍 43% Benedicamus VIIIBenedicamus VIII
  6. 🔍 40% Per omnia ... Et ne nos inducasPer omnia ... Et ne nos inducas
  7. 🔍 40% Ad EvangeliumAd Evangelium
  8. 🔍 39% Ad Orationes IIAd Orationes II
  9. 🔍 39% Ite IIte I
  10. 🔍 37% Pater noster (Ad Laudes et Vesperas)Pater noster (Ad Laudes et Vesperas)
  11. 🔍 36% Pater Noster (festivus)Pater Noster (festivus)
  12. 🔍 35% Pater Noster (ferialis)Pater Noster (ferialis)
  13. 🔍 35% Pater noster (A)Pater noster (A)
  14. 🔍 35% Ite VIte V
  15. 🔍 34% Ad Praefationem in tono solemniAd Praefationem in tono solemni
  16. 🔍 34% Pater noster (ferialis)Pater noster (ferialis)
  17. 🔍 34% Ad Praefationem in tono ferialiAd Praefationem in tono feriali
  18. 🔍 34% Pater noster (C)Pater noster (C)
  19. 🔍 32% Pater NosterPater Noster
  20. 🔍 30% Ite VIIte VI
  21. 🔍 28% Pater noster (B)Pater noster (B)
  22. 🔍 27% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  23. 🔍 26% Ite IIIIte III
  24. 🔍 25% Sanctus IIISanctus III
  25. 🔍 25% Sanctus XIVSanctus XIV
  26. 🔍 23% Ite IIIte II
  27. 🔍 22% Agnus XIVAgnus XIV
  28. 🔍 21% Praefatio ferialis de nuptiisPraefatio ferialis de nuptiis
  29. 🔍 21% Clemens et benignaClemens et benigna
  30. 🔍 21% Educas panem de terraEducas panem de terra
  31. 🔍 21% Christus dilexit nosChristus dilexit nos
  32. 🔍 21% Ipse est Deus nosterIpse est Deus noster
  33. 🔍 21% RequiescantRequiescant
  34. 🔍 20% In manus tuas Domine (Tempore Adventus)In manus tuas Domine (Tempore Adventus)
  35. 🔍 20% Redemisti nosRedemisti nos
  36. 🔍 20% Praefatio ferialis de MartyribusPraefatio ferialis de Martyribus
  37. 🔍 20% Agnus IIIAgnus III
  38. 🔍 20% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  39. 🔍 19% Aperi coelos tuos DomineAperi coelos tuos Domine
  40. 🔍 19% Benedicat nos DeusBenedicat nos Deus
  41. 🔍 19% Salvasti nosSalvasti nos
  42. 🔍 19% Deus autem nosterDeus autem noster
  43. 🔍 19% Dominus vobiscumDominus vobiscum
  44. 🔍 19% Domine refugiumDomine refugium
  45. 🔍 19% Praefatio solemnis de Epiphania DominiPraefatio solemnis de Epiphania Domini
  46. 🔍 19% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  47. 🔍 19% Praefatio Paschalis IIPraefatio Paschalis II
  48. 🔍 19% In manus tuas Domine (Per Annum)In manus tuas Domine (Per Annum)
  49. 🔍 19% Praefatio ferialis de Nativitate DominiPraefatio ferialis de Nativitate Domini
  50. 🔍 19% Gloria VIGloria VI
  51. 🔍 19% Praefatio solemnis de QuadragesimaPraefatio solemnis de Quadragesima
  52. 🔍 19% Exsultet iam angelicaExsultet iam angelica
  53. 🔍 18% Ave Virgo specieiAve Virgo speciei
  54. 🔍 18% Praefatio de sollemnitate omnium sanctorumPraefatio de sollemnitate omnium sanctorum
  55. 🔍 18% Kyrie eleison (tonus simplex)Kyrie eleison (tonus simplex)
  56. 🔍 18% Gustate (Ad Communionem - Tonus 1)Gustate (Ad Communionem - Tonus 1)
  57. 🔍 18% Praefatio de Dominica Passionis. Dominica in PalmisPraefatio de Dominica Passionis. Dominica in Palmis
  58. 🔍 18% Praefatio de Dominicis per annum VPraefatio de Dominicis per annum V
  59. 🔍 18% Sanctus IISanctus II
  60. 🔍 18% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  61. 🔍 18% Dominus legifer nosterDominus legifer noster
  62. 🔍 18% Praefatio de Dominicis per annum IIPraefatio de Dominicis per annum II
  63. 🔍 18% Praefatio de D. N. Iesu Christo universorum RegePraefatio de D. N. Iesu Christo universorum Rege
  64. 🔍 18% Christus dilexit nosChristus dilexit nos
  65. 🔍 18% Sanctus ISanctus I