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% Beata caeli gaudiaBeata caeli gaudia
  2. 🔍 61% Haec femina laudabilisHaec femina laudabilis
  3. 🔍 50% Beata caeli gaudiaBeata caeli gaudia
  4. 🔍 48% Beata caeli gaudiaBeata caeli gaudia
  5. 🔍 46% Beata caeli gaudiaBeata caeli gaudia
  6. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  7. 🔍 29% Verbum supernum prodiens a Verbum supernum prodiens a
  8. 🔍 29% Te beata sponsa ChristiTe beata sponsa Christi
  9. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  10. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  11. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  12. 🔍 29% Verbum supernum prodiens aVerbum supernum prodiens a
  13. 🔍 29% Ales diei nuntiusAles diei nuntius
  14. 🔍 29% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  15. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  16. 🔍 29% O lux beata CaelitumO lux beata Caelitum
  17. 🔍 28% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  18. 🔍 28% Adesto rerum conditorAdesto rerum conditor
  19. 🔍 27% Praefatio solemnis de sacratissimo Corde IesuPraefatio solemnis de sacratissimo Corde Iesu
  20. 🔍 27% Gloria VGloria V
  21. 🔍 27% Aeterna caeli gloria (in Aestate)Aeterna caeli gloria (in Aestate)
  22. 🔍 27% Aeterna caeli gloria (aestivalis)Aeterna caeli gloria (aestivalis)
  23. 🔍 27% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  24. 🔍 27% Nunc Sancte nobis (In Adventu)Nunc Sancte nobis (In Adventu)
  25. 🔍 27% Splendor paternaeSplendor paternae
  26. 🔍 27% Praefatio solemnis de Omnibus Sanctis et PatronisPraefatio solemnis de Omnibus Sanctis et Patronis
  27. 🔍 27% Jam lucis orto sidere (Tempore Adventus)Jam lucis orto sidere (Tempore Adventus)
  28. 🔍 27% Audi benigne Conditor Audi benigne Conditor
  29. 🔍 27% Splendor paternae gloriaeSplendor paternae gloriae
  30. 🔍 26% Praefatio solemnis de D. N. Iesu Christo RegePraefatio solemnis de D. N. Iesu Christo Rege
  31. 🔍 26% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  32. 🔍 26% Gloria XIGloria XI
  33. 🔍 26% Gloria IIIGloria III
  34. 🔍 26% Audi benigne conditorAudi benigne conditor
  35. 🔍 26% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  36. 🔍 26% Praefatio de Adventu IPraefatio de Adventu I
  37. 🔍 26% Precemur omnes cernuiPrecemur omnes cernui
  38. 🔍 26% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  39. 🔍 26% Audi Benigne ConditorAudi Benigne Conditor
  40. 🔍 26% Ales diei nuntiusAles diei nuntius
  41. 🔍 26% Praefatio solemnis de AdventuPraefatio solemnis de Adventu
  42. 🔍 26% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  43. 🔍 26% Ternis horarum (In festis)Ternis horarum (In festis)
  44. 🔍 26% Auctor salutisAuctor salutis
  45. 🔍 26% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  46. 🔍 26% Praefatio solemnis de S. BenedictoPraefatio solemnis de S. Benedicto
  47. 🔍 26% Fulgentis auctor aetherisFulgentis auctor aetheris
  48. 🔍 26% Auctor salutis uniceAuctor salutis unice
  49. 🔍 25% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  50. 🔍 25% Ternis horarum (In dominicis per annum)Ternis horarum (In dominicis per annum)
  51. 🔍 25% Praefatio solemnis de sanctissima EucharistiaPraefatio solemnis de sanctissima Eucharistia
  52. 🔍 25% Exsultet iam angelicaExsultet iam angelica
  53. 🔍 25% Dicamus laudes (In festis)Dicamus laudes (In festis)
  54. 🔍 25% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  55. 🔍 25% Aeterne lucis conditorAeterne lucis conditor
  56. 🔍 25% Ales diei nuntiusAles diei nuntius
  57. 🔍 25% Dicamus laudes (In dominicis)Dicamus laudes (In dominicis)
  58. 🔍 25% Praefatio solemnis de Ascensione DominiPraefatio solemnis de Ascensione Domini
  59. 🔍 25% Praefatio de Conceptione Immaculata B.M.V.Praefatio de Conceptione Immaculata B.M.V.
  60. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  61. 🔍 25% Praefatio solemnior de sacratissimo Corde IesuPraefatio solemnior de sacratissimo Corde Iesu
  62. 🔍 25% Praefatio solemnis de sancto Ioseph Sponso B. M. V.Praefatio solemnis de sancto Ioseph Sponso B. M. V.
  63. 🔍 25% Celsae salutis gaudiaCelsae salutis gaudia
  64. 🔍 25% Praefatio solemnis de Spiritu SanctoPraefatio solemnis de Spiritu Sancto
  65. 🔍 25% Gentis redemptaeGentis redemptae