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% Bernardus Doctor mellifluusBernardus Doctor mellifluus
  2. 🔍 26% Beatus Bernardus ab infantiaBeatus Bernardus ab infantia
  3. 🔍 23% O Virgo pulcherrimaO Virgo pulcherrima
  4. 🔍 23% O doctor optimeO doctor optime
  5. 🔍 22% Praesulis exsultansPraesulis exsultans
  6. 🔍 22% Te beata sponsa ChristiTe beata sponsa Christi
  7. 🔍 21% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  8. 🔍 21% Gloriosae Virginis MariaeGloriosae Virginis Mariae
  9. 🔍 21% Ex more docti mysticoEx more docti mystico
  10. 🔍 21% Rex gloriose MartyrumRex gloriose Martyrum
  11. 🔍 21% Bernardus doctor inclitusBernardus doctor inclitus
  12. 🔍 21% Qua Christus hora sitiitQua Christus hora sitiit
  13. 🔍 21% Rerum Deus (In Quadragesima)Rerum Deus (In Quadragesima)
  14. 🔍 20% Auctor beate saeculiAuctor beate saeculi
  15. 🔍 20% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  16. 🔍 20% In velamento clamaviIn velamento clamavi
  17. 🔍 20% Hymnum canentes martyrumHymnum canentes martyrum
  18. 🔍 20% Summi sacerdos NuminisSummi sacerdos Numinis
  19. 🔍 20% Legis sacrataeLegis sacratae
  20. 🔍 20% Urbs Jerusalem beataUrbs Jerusalem beata
  21. 🔍 20% Rex glorioseRex gloriose
  22. 🔍 19% Jesu Fili summi PatrisJesu Fili summi Patris
  23. 🔍 19% Lauda piaLauda pia
  24. 🔍 19% Lacte quondam profluentesLacte quondam profluentes
  25. 🔍 19% Hodie completi suntHodie completi sunt
  26. 🔍 19% Missus est Angelus Gabriel (19 Martii)Missus est Angelus Gabriel (19 Martii)
  27. 🔍 19% Laeti colentes famulumLaeti colentes famulum
  28. 🔍 19% Cohors beata SeraphimCohors beata Seraphim
  29. 🔍 19% Rex gloriose martyrumRex gloriose martyrum
  30. 🔍 19% Triumphat mundi principemTriumphat mundi principem
  31. 🔍 19% Felix per omnesFelix per omnes
  32. 🔍 19% Rector potens (In Quadragesima)Rector potens (In Quadragesima)
  33. 🔍 19% Ex more docti MysticoEx more docti Mystico
  34. 🔍 19% Gaude mater AnnaGaude mater Anna
  35. 🔍 18% Ibat Jesus in civitatemIbat Jesus in civitatem
  36. 🔍 18% Gaude mater AnnaGaude mater Anna
  37. 🔍 18% Qua Christus hora sitiitQua Christus hora sitiit
  38. 🔍 18% Ibat JesusIbat Jesus
  39. 🔍 18% O virgo o doctorO virgo o doctor
  40. 🔍 18% Salve Virgo singularis IISalve Virgo singularis II
  41. 🔍 18% Angelus Domini astititAngelus Domini astitit
  42. 🔍 18% Egredimini filiae Sion (Ant.)Egredimini filiae Sion (Ant.)
  43. 🔍 18% Gentis redemptaeGentis redemptae
  44. 🔍 18% Ex more docti mysticoEx more docti mystico
  45. 🔍 18% Hodie Simon PetrusHodie Simon Petrus
  46. 🔍 18% Lustris sex qui jam peractisLustris sex qui jam peractis
  47. 🔍 18% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  48. 🔍 18% Alto ex Olympi verticeAlto ex Olympi vertice
  49. 🔍 18% Laetabundus (1950 version)Laetabundus (1950 version)
  50. 🔍 18% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  51. 🔍 18% Te lucis ante terminum (In Festo Pentecostes)Te lucis ante terminum (In Festo Pentecostes)
  52. 🔍 18% Rerum Deus (In Tempore Passionis)Rerum Deus (In Tempore Passionis)
  53. 🔍 18% Exaudiat Dominus orationesExaudiat Dominus orationes
  54. 🔍 18% O doctor optime... BernardeO doctor optime... Bernarde
  55. 🔍 18% En ut superbaEn ut superba
  56. 🔍 18% Domine puer meusDomine puer meus
  57. 🔍 18% Summae Deus clementiae septemSummae Deus clementiae septem
  58. 🔍 18% In regeneratione (Solesmes 1934)In regeneratione (Solesmes 1934)
  59. 🔍 18% Dei fideDei fide
  60. 🔍 18% Lustra sex qui jamLustra sex qui jam
  61. 🔍 18% Christe Redemptor omniumChriste Redemptor omnium
  62. 🔍 18% Pater venit horaPater venit hora
  63. 🔍 18% Per signum CrucisPer signum Crucis
  64. 🔍 18% Inter aeternasInter aeternas
  65. 🔍 18% Missus est Angelus Gabriel (19 Martii)Missus est Angelus Gabriel (19 Martii)