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% Te deprecante corporumTe deprecante corporum
  2. 🔍 49% Jesu corona celsior (Impr. Stigmatum)Jesu corona celsior (Impr. Stigmatum)
  3. 🔍 49% Jesu corona celsior (Conf. non Pont.)Jesu corona celsior (Conf. non Pont.)
  4. 🔍 49% Jesu Corona celsior (Conf. non Pont.)Jesu Corona celsior (Conf. non Pont.)
  5. 🔍 49% Jesu corona celsior (In Ascensione)Jesu corona celsior (In Ascensione)
  6. 🔍 48% Jesu corona celsior (In tempore Paschali)Jesu corona celsior (In tempore Paschali)
  7. 🔍 48% Beata caeli gaudiaBeata caeli gaudia
  8. 🔍 48% Beata caeli gaudiaBeata caeli gaudia
  9. 🔍 47% Matris sub almae numineMatris sub almae numine
  10. 🔍 45% Gentis Polonae gloriaGentis Polonae gloria
  11. 🔍 45% Gentis PolonaeGentis Polonae
  12. 🔍 43% Matris sub almaeMatris sub almae
  13. 🔍 41% Decus et norma omniumDecus et norma omnium
  14. 🔍 41% Beata caeli gaudiaBeata caeli gaudia
  15. 🔍 39% Corpus domas jejuniisCorpus domas jejuniis
  16. 🔍 29% Festivis resonent compitaFestivis resonent compita
  17. 🔍 29% Benedicta semperBenedicta semper
  18. 🔍 29% Exsultet jam AngelicaExsultet jam Angelica
  19. 🔍 28% Ad regias Agni dapesAd regias Agni dapes
  20. 🔍 28% Ad regias Agni dapesAd regias Agni dapes
  21. 🔍 27% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  22. 🔍 27% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  23. 🔍 26% Exsultet caelum (III)Exsultet caelum (III)
  24. 🔍 26% Exsultet orbis gaudiisExsultet orbis gaudiis
  25. 🔍 26% Laetare caelum desuperLaetare caelum desuper
  26. 🔍 26% Tibi Redemptor omniumTibi Redemptor omnium
  27. 🔍 26% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  28. 🔍 26% Exsultet orbis gaudiisExsultet orbis gaudiis
  29. 🔍 25% Praefatio de Beata Maria Virgine IPraefatio de Beata Maria Virgine I
  30. 🔍 25% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  31. 🔍 25% Quicumque certumQuicumque certum
  32. 🔍 25% Praefatio de nuptiisPraefatio de nuptiis
  33. 🔍 25% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  34. 🔍 25% Omnis expertem maculaeOmnis expertem maculae
  35. 🔍 25% Jesu decus angelicumJesu decus angelicum
  36. 🔍 25% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  37. 🔍 25% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  38. 🔍 25% Festivis resonent compitaFestivis resonent compita
  39. 🔍 25% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  40. 🔍 25% Ave Regis AngelorumAve Regis Angelorum
  41. 🔍 25% Festivis resonentFestivis resonent
  42. 🔍 24% Exsultet iam angelicaExsultet iam angelica
  43. 🔍 24% Praefatio de Dominicis per annum VPraefatio de Dominicis per annum V
  44. 🔍 24% Praefatio ferialis de beata Maria VirginePraefatio ferialis de beata Maria Virgine
  45. 🔍 24% Te lucis ante terminumTe lucis ante terminum
  46. 🔍 24% Ex more docti mysticoEx more docti mystico
  47. 🔍 24% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  48. 🔍 24% Omnis expertemOmnis expertem
  49. 🔍 24% Vexilla Christus inclytaVexilla Christus inclyta
  50. 🔍 24% Omnis expertemOmnis expertem
  51. 🔍 24% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  52. 🔍 24% Ecce jam noctis tenuatur (Alter tonus)Ecce jam noctis tenuatur (Alter tonus)
  53. 🔍 24% Exsultet iam angelicaExsultet iam angelica
  54. 🔍 24% In voluntateIn voluntate
  55. 🔍 24% Praefatio ferialis de nuptiisPraefatio ferialis de nuptiis
  56. 🔍 24% Festivis resonentFestivis resonent
  57. 🔍 24% Te lucis ante terminum (In Festo Septem Dolorum BMV)Te lucis ante terminum (In Festo Septem Dolorum BMV)
  58. 🔍 24% Praefatio solemnis de sanctissima TrinitatePraefatio solemnis de sanctissima Trinitate
  59. 🔍 24% Exsultet caelum (I)Exsultet caelum (I)
  60. 🔍 24% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  61. 🔍 24% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  62. 🔍 24% Jesu decus angelicumJesu decus angelicum
  63. 🔍 24% Lustris sex (tonus Pange lingua...Corporis)Lustris sex (tonus Pange lingua...Corporis)
  64. 🔍 24% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  65. 🔍 24% Exsultet jam AngelicaExsultet jam Angelica