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% Conditor alme siderumConditor alme siderum
  2. 🔍 63% Conditor alme siderumConditor alme siderum
  3. 🔍 42% Conditor alme siderumConditor alme siderum
  4. 🔍 36% Creator alme siderumCreator alme siderum
  5. 🔍 35% Creator alme siderumCreator alme siderum
  6. 🔍 34% Conditor almeConditor alme
  7. 🔍 33% Conditor alme siderumConditor alme siderum
  8. 🔍 23% Aeterne Rex altissimeAeterne Rex altissime
  9. 🔍 23% Veni Creator SpiritusVeni Creator Spiritus
  10. 🔍 23% Aeterne Rex altissimeAeterne Rex altissime
  11. 🔍 22% Lux alma Jesu mentiumLux alma Jesu mentium
  12. 🔍 22% Audi benigne ConditorAudi benigne Conditor
  13. 🔍 22% Audi benigne ConditorAudi benigne Conditor
  14. 🔍 21% Iesu RedemptorIesu Redemptor
  15. 🔍 21% O nimis felixO nimis felix
  16. 🔍 21% Audi benigne ConditorAudi benigne Conditor
  17. 🔍 21% Jam lucis orto sidereJam lucis orto sidere
  18. 🔍 20% Verbum supernumVerbum supernum
  19. 🔍 20% Salve dies dierum gloria (one melody)Salve dies dierum gloria (one melody)
  20. 🔍 20% O nimis felix meritiqueO nimis felix meritique
  21. 🔍 20% Iesu Redemptor (Dominica Pentecostes)Iesu Redemptor (Dominica Pentecostes)
  22. 🔍 20% Te lucis ante terminum (In Tempore Passionis)Te lucis ante terminum (In Tempore Passionis)
  23. 🔍 19% Lux aeternaLux aeterna
  24. 🔍 19% Aeterna Christi munera ApostolorumAeterna Christi munera Apostolorum
  25. 🔍 19% Auctor salutisAuctor salutis
  26. 🔍 19% O Petre lumen errantiumO Petre lumen errantium
  27. 🔍 19% Jam lucis orto sidereJam lucis orto sidere
  28. 🔍 19% aeterna Christi munera Apostolorumaeterna Christi munera Apostolorum
  29. 🔍 19% Aeterne Rex altissimeAeterne Rex altissime
  30. 🔍 19% Exsultet caelum gaudibus (S. Joanni Evangelistae)Exsultet caelum gaudibus (S. Joanni Evangelistae)
  31. 🔍 19% Jam lucis orto sidereJam lucis orto sidere
  32. 🔍 19% Aeterna lux divinitasAeterna lux divinitas
  33. 🔍 19% Iesu redemptor saeculi TPIesu redemptor saeculi TP
  34. 🔍 18% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  35. 🔍 18% Beata caeli gaudiaBeata caeli gaudia
  36. 🔍 18% Beata caeli gaudiaBeata caeli gaudia
  37. 🔍 18% O nata lux de lumineO nata lux de lumine
  38. 🔍 18% Salve dies dierumSalve dies dierum
  39. 🔍 18% Audi benigne conditorAudi benigne conditor
  40. 🔍 18% Audi Benigne ConditorAudi Benigne Conditor
  41. 🔍 18% Dominator DomineDominator Domine
  42. 🔍 18% O castitatis signiferO castitatis signifer
  43. 🔍 18% O lux beata CaelitumO lux beata Caelitum
  44. 🔍 18% Audi benigne Conditor Audi benigne Conditor
  45. 🔍 18% Sancte Michael ArchangeleSancte Michael Archangele
  46. 🔍 18% Audi benigneAudi benigne
  47. 🔍 18% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)
  48. 🔍 18% Te lucis ante terminum (In Festo Septem Dolorum BMV)Te lucis ante terminum (In Festo Septem Dolorum BMV)
  49. 🔍 18% O lux beata CaelitumO lux beata Caelitum
  50. 🔍 18% O lux beata CaelitumO lux beata Caelitum
  51. 🔍 18% Anima Christi IVAnima Christi IV
  52. 🔍 18% Adesto rerum conditorAdesto rerum conditor
  53. 🔍 17% Ave Regis AngelorumAve Regis Angelorum
  54. 🔍 17% Audi benigne ConditorAudi benigne Conditor
  55. 🔍 17% Lux aeternaLux aeterna
  56. 🔍 17% O lux beata CaelitumO lux beata Caelitum
  57. 🔍 17% Dei fideDei fide
  58. 🔍 17% Aeterne rerum conditorAeterne rerum conditor
  59. 🔍 17% Nostis qui conventusNostis qui conventus
  60. 🔍 17% Exsultet orbis gaudiisExsultet orbis gaudiis
  61. 🔍 17% Ex tractatu...Exaudi DeusEx tractatu...Exaudi Deus
  62. 🔍 17% O Salutaris Hostia (Creator Alme)O Salutaris Hostia (Creator Alme)
  63. 🔍 17% Miserere (Ps 50)Miserere (Ps 50)
  64. 🔍 17% Jesu Redemptor omnium (In Ascensione)Jesu Redemptor omnium (In Ascensione)
  65. 🔍 17% Tibi Redemptor omniumTibi Redemptor omnium