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% Praecessor almusPraecessor almus
  2. 🔍 68% O lux salutis nuntiaO lux salutis nuntia
  3. 🔍 67% Caelestis formam gloriaeCaelestis formam gloriae
  4. 🔍 66% Adorna Sion ThalamumAdorna Sion Thalamum
  5. 🔍 65% Signum crucisSignum crucis
  6. 🔍 64% O nata lux de lumineO nata lux de lumine
  7. 🔍 54% Jesus refulsit omniumJesus refulsit omnium
  8. 🔍 52% Amor Jesu dulcissimeAmor Jesu dulcissime
  9. 🔍 52% Quicumque ChristumQuicumque Christum
  10. 🔍 52% A Patre UnigeniteA Patre Unigenite
  11. 🔍 41% Lux alma JesuLux alma Jesu
  12. 🔍 39% Jesu auctor clementiaeJesu auctor clementiae
  13. 🔍 38% En ut superba criminumEn ut superba criminum
  14. 🔍 38% Cor arca legem continensCor arca legem continens
  15. 🔍 37% Audi benigneAudi benigne
  16. 🔍 37% A solis ortusA solis ortus
  17. 🔍 36% Jam Christus astra ascenderatJam Christus astra ascenderat
  18. 🔍 35% Audi benigne Conditor Audi benigne Conditor
  19. 🔍 35% Vidi aquamVidi aquam
  20. 🔍 35% Exsultet jam AngelicaExsultet jam Angelica
  21. 🔍 35% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  22. 🔍 34% Ex more docti mysticoEx more docti mystico
  23. 🔍 34% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  24. 🔍 34% Praefatio solemnis de sancto Ioanne BaptistaPraefatio solemnis de sancto Ioanne Baptista
  25. 🔍 34% Audi benigne ConditorAudi benigne Conditor
  26. 🔍 34% Protege DomineProtege Domine
  27. 🔍 34% Ex more docti mysticoEx more docti mystico
  28. 🔍 34% Audi Benigne ConditorAudi Benigne Conditor
  29. 🔍 34% Veni Creator (1983/1934)Veni Creator (1983/1934)
  30. 🔍 34% Audi benigne conditorAudi benigne conditor
  31. 🔍 34% Auctor beate saeculiAuctor beate saeculi
  32. 🔍 34% Ex more docti MysticoEx more docti Mystico
  33. 🔍 34% Veni Creator SpiritusVeni Creator Spiritus
  34. 🔍 34% Veni Redemptor gentiumVeni Redemptor gentium
  35. 🔍 33% Rerum Deus (In Dominicis per Annum)Rerum Deus (In Dominicis per Annum)
  36. 🔍 33% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  37. 🔍 33% Audi benigne ConditorAudi benigne Conditor
  38. 🔍 33% Audi benigne ConditorAudi benigne Conditor
  39. 🔍 33% Audi benigne ConditorAudi benigne Conditor
  40. 🔍 32% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  41. 🔍 32% Veni Creator SpiritusVeni Creator Spiritus
  42. 🔍 32% Vidi aquamVidi aquam
  43. 🔍 32% Salvete, Christi vulneraSalvete, Christi vulnera
  44. 🔍 31% Miserere (Ps 50)Miserere (Ps 50)
  45. 🔍 31% Te DeumTe Deum
  46. 🔍 31% Veni Creator SpiritusVeni Creator Spiritus
  47. 🔍 31% Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)
  48. 🔍 31% Rerum Deus (In Adventu)Rerum Deus (In Adventu)
  49. 🔍 31% Exsultet iam angelicaExsultet iam angelica
  50. 🔍 31% Praefatio de Adventu IIPraefatio de Adventu II
  51. 🔍 31% Hostis HerodesHostis Herodes
  52. 🔍 31% Jesu nostra redemptioJesu nostra redemptio
  53. 🔍 31% O mira caritasO mira caritas
  54. 🔍 31% Nunc tempus acceptabileNunc tempus acceptabile
  55. 🔍 31% Qua Christus hora sitiitQua Christus hora sitiit
  56. 🔍 31% Virginis proles (II)Virginis proles (II)
  57. 🔍 30% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  58. 🔍 30% Quem terra pontus aetheraQuem terra pontus aethera
  59. 🔍 30% Venite exsultemus IVVenite exsultemus IV
  60. 🔍 30% Venite auditeVenite audite
  61. 🔍 30% Praefatio solemnior de sancto Joanne BaptistaPraefatio solemnior de sancto Joanne Baptista
  62. 🔍 30% Iste confessor (II)Iste confessor (II)
  63. 🔍 30% Christe Redemptor omniumChriste Redemptor omnium
  64. 🔍 30% Exsultet jam AngelicaExsultet jam Angelica
  65. 🔍 30% Verbum supernum prodiens aVerbum supernum prodiens a