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% O lux et decusO lux et decus
  2. 🔍 42% A solis ortusA solis ortus
  3. 🔍 41% Aeterne Rex altissimeAeterne Rex altissime
  4. 🔍 41% Deus tuorum militumDeus tuorum militum
  5. 🔍 40% Veni Redemptor gentiumVeni Redemptor gentium
  6. 🔍 39% Venite exultemus IIIVenite exultemus III
  7. 🔍 39% Rex SanctorumRex Sanctorum
  8. 🔍 39% Aeterne Rex altissimeAeterne Rex altissime
  9. 🔍 39% Deus tuorum militumDeus tuorum militum
  10. 🔍 39% Hostis HerodesHostis Herodes
  11. 🔍 39% Deus tuorum militumDeus tuorum militum
  12. 🔍 39% Deus tuorum militumDeus tuorum militum
  13. 🔍 39% Deus tuorum militumDeus tuorum militum
  14. 🔍 38% Credo VIICredo VII
  15. 🔍 38% Salvete Christi vulneraSalvete Christi vulnera
  16. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  17. 🔍 37% Haec est diesHaec est dies
  18. 🔍 37% O lux beata CaelitumO lux beata Caelitum
  19. 🔍 37% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  20. 🔍 37% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  21. 🔍 37% O lux beata CaelitumO lux beata Caelitum
  22. 🔍 37% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  23. 🔍 37% Elegit... virumElegit... virum
  24. 🔍 37% Verbum supernumVerbum supernum
  25. 🔍 36% Martine par ApostolisMartine par Apostolis
  26. 🔍 36% Gloria laudisGloria laudis
  27. 🔍 36% A solis ortus cardineA solis ortus cardine
  28. 🔍 36% In voluntateIn voluntate
  29. 🔍 36% Virginis CatharinaeVirginis Catharinae
  30. 🔍 36% Lux alma Jesu mentiumLux alma Jesu mentium
  31. 🔍 36% Verbum supernum prodiensVerbum supernum prodiens
  32. 🔍 35% Laetare caelum desuperLaetare caelum desuper
  33. 🔍 35% Verbum supernum prodiens necVerbum supernum prodiens nec
  34. 🔍 35% Ad regias Agni dapesAd regias Agni dapes
  35. 🔍 35% Aeterne rerum conditorAeterne rerum conditor
  36. 🔍 35% Rex SanctorumRex Sanctorum
  37. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  38. 🔍 35% Tu gloria... o RosaTu gloria... o Rosa
  39. 🔍 35% O lux beata CaelitumO lux beata Caelitum
  40. 🔍 35% Ad regias Agni dapesAd regias Agni dapes
  41. 🔍 34% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  42. 🔍 34% O sola magnarumO sola magnarum
  43. 🔍 34% Crudelis HerodesCrudelis Herodes
  44. 🔍 34% Te Mater alma NuminisTe Mater alma Numinis
  45. 🔍 34% Aurora solis nuntiaAurora solis nuntia
  46. 🔍 34% Adonai Domine DeusAdonai Domine Deus
  47. 🔍 34% Aeterne sol qui lumineAeterne sol qui lumine
  48. 🔍 34% Veni Sancte Spiritus repleVeni Sancte Spiritus reple
  49. 🔍 34% Te Mater almaTe Mater alma
  50. 🔍 34% Christe caelorum DomineChriste caelorum Domine
  51. 🔍 34% Summae Deus clementiae septemSummae Deus clementiae septem
  52. 🔍 34% Maria virgo regiaMaria virgo regia
  53. 🔍 33% Verbum supernum prodiensVerbum supernum prodiens
  54. 🔍 33% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  55. 🔍 33% CopiosaeCopiosae
  56. 🔍 33% O sancta mundi dominaO sancta mundi domina
  57. 🔍 33% O gente felix hospitaO gente felix hospita
  58. 🔍 33% A solis ortus cardineA solis ortus cardine
  59. 🔍 33% Te lucis ante terminum (In Festis et Oct. B. M. V.)Te lucis ante terminum (In Festis et Oct. B. M. V.)
  60. 🔍 33% Beata Dei genetrix nitorBeata Dei genetrix nitor
  61. 🔍 33% Crudelis HerodesCrudelis Herodes
  62. 🔍 33% Iesu salvator saeculiIesu salvator saeculi
  63. 🔍 33% Salutis aeternae datorSalutis aeternae dator
  64. 🔍 33% O prima Virgo proditaO prima Virgo prodita
  65. 🔍 33% Veni sancte spiritusVeni sancte spiritus