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% Jesu corona celsior (In Ascensione)Jesu corona celsior (In Ascensione)
  2. 🔍 97% Jesu corona celsior (In tempore Paschali)Jesu corona celsior (In tempore Paschali)
  3. 🔍 97% Jesu Corona celsior (Conf. non Pont.)Jesu Corona celsior (Conf. non Pont.)
  4. 🔍 96% Jesu corona celsior (Impr. Stigmatum)Jesu corona celsior (Impr. Stigmatum)
  5. 🔍 94% Jesu corona celsior (Conf. non Pont.)Jesu corona celsior (Conf. non Pont.)
  6. 🔍 54% Beata caeli gaudiaBeata caeli gaudia
  7. 🔍 54% Beata caeli gaudiaBeata caeli gaudia
  8. 🔍 53% Beata caeli gaudiaBeata caeli gaudia
  9. 🔍 51% Decus et norma omniumDecus et norma omnium
  10. 🔍 49% Jesu corona celsior (S. Mauri abbatis)Jesu corona celsior (S. Mauri abbatis)
  11. 🔍 49% Te deprecante corporumTe deprecante corporum
  12. 🔍 47% Gentis PolonaeGentis Polonae
  13. 🔍 47% Gentis Polonae gloriaGentis Polonae gloria
  14. 🔍 46% Matris sub almae numineMatris sub almae numine
  15. 🔍 45% Corpus domas jejuniisCorpus domas jejuniis
  16. 🔍 44% Matris sub almaeMatris sub almae
  17. 🔍 42% Iesu corona celsiorIesu corona celsior
  18. 🔍 42% Iesu corona celsiorIesu corona celsior
  19. 🔍 42% Iesu corona celsiorIesu corona celsior
  20. 🔍 36% Exsultet jam AngelicaExsultet jam Angelica
  21. 🔍 34% Jam lucis orto sidere (Festis Majoribus)Jam lucis orto sidere (Festis Majoribus)
  22. 🔍 34% Venite exsultemus IV* (ad lib)Venite exsultemus IV* (ad lib)
  23. 🔍 32% Caeli DeusCaeli Deus
  24. 🔍 32% Caeli Deus (Winter Tone)Caeli Deus (Winter Tone)
  25. 🔍 31% Immense caeli Conditor (hiemalis)Immense caeli Conditor (hiemalis)
  26. 🔍 31% Festivis resonent compitaFestivis resonent compita
  27. 🔍 31% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  28. 🔍 31% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  29. 🔍 30% In voluntateIn voluntate
  30. 🔍 30% Conditor alme siderumConditor alme siderum
  31. 🔍 30% Jesu coronaJesu corona
  32. 🔍 30% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  33. 🔍 30% Exsultet iam angelicaExsultet iam angelica
  34. 🔍 30% Conditor alme siderumConditor alme siderum
  35. 🔍 29% Praefatio ferialis de nuptiisPraefatio ferialis de nuptiis
  36. 🔍 29% Ave Regis AngelorumAve Regis Angelorum
  37. 🔍 29% Laetare caelum desuperLaetare caelum desuper
  38. 🔍 29% Praefatio de nuptiisPraefatio de nuptiis
  39. 🔍 29% Jesu Redemptor omnium (In Ascensione)Jesu Redemptor omnium (In Ascensione)
  40. 🔍 29% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  41. 🔍 29% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  42. 🔍 29% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  43. 🔍 29% Conditor almeConditor alme
  44. 🔍 29% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  45. 🔍 29% O castitatis signiferO castitatis signifer
  46. 🔍 29% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  47. 🔍 29% Aurora Jam Spargit PolumAurora Jam Spargit Polum
  48. 🔍 28% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  49. 🔍 28% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  50. 🔍 28% Quodcumque in orbeQuodcumque in orbe
  51. 🔍 28% Exsultet jam AngelicaExsultet jam Angelica
  52. 🔍 28% Deus tuorum militumDeus tuorum militum
  53. 🔍 28% Venite exsultemus EVenite exsultemus E
  54. 🔍 28% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  55. 🔍 28% Immense caeliImmense caeli
  56. 🔍 28% Deus tuorum II Cl.Deus tuorum II Cl.
  57. 🔍 28% Eduxit DominusEduxit Dominus
  58. 🔍 28% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  59. 🔍 28% Festiva canimusFestiva canimus
  60. 🔍 28% Praefatio ferialis de Omnibus Sanctis et PatronisPraefatio ferialis de Omnibus Sanctis et Patronis
  61. 🔍 28% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  62. 🔍 28% Deus tuorum militumDeus tuorum militum
  63. 🔍 28% Jam Christus astra ascenderatJam Christus astra ascenderat
  64. 🔍 28% Plasmator hominis Deus (hiemalis)Plasmator hominis Deus (hiemalis)
  65. 🔍 27% Tibi Redemptor omniumTibi Redemptor omnium