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: 2025-12-20. 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% Lux alma Jesu mentiumLux alma Jesu mentium
  2. 🔍 62% Aeterne Rex altissimeAeterne Rex altissime
  3. 🔍 60% Verbum supernumVerbum supernum
  4. 🔍 52% Aeterne Rex altissimeAeterne Rex altissime
  5. 🔍 51% O salutaris Hostia IO salutaris Hostia I
  6. 🔍 50% O salutaris Hostia IO salutaris Hostia I
  7. 🔍 49% Lux alma JesuLux alma Jesu
  8. 🔍 47% Verbum supernum prodiensVerbum supernum prodiens
  9. 🔍 46% Te CatharinaTe Catharina
  10. 🔍 45% A solis ortusA solis ortus
  11. 🔍 44% Verbum supernum prodiens necVerbum supernum prodiens nec
  12. 🔍 44% Verbum supernum prodiensVerbum supernum prodiens
  13. 🔍 44% Jesu auctor clementiaeJesu auctor clementiae
  14. 🔍 44% Verbum supernum prodiens necVerbum supernum prodiens nec
  15. 🔍 44% Veni Redemptor gentiumVeni Redemptor gentium
  16. 🔍 44% A solis ortus cardineA solis ortus cardine
  17. 🔍 43% Deus tuorum militumDeus tuorum militum
  18. 🔍 43% Deus tuorum militumDeus tuorum militum
  19. 🔍 42% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  20. 🔍 42% Cor arca legem continensCor arca legem continens
  21. 🔍 42% Placare Christe (Omn. Sanct.)Placare Christe (Omn. Sanct.)
  22. 🔍 42% Quicumque Christum quaeritisQuicumque Christum quaeritis
  23. 🔍 42% Placare Christe servulisPlacare Christe servulis
  24. 🔍 42% Deus tuorum militumDeus tuorum militum
  25. 🔍 42% Ad regias Agni dapesAd regias Agni dapes
  26. 🔍 42% Deus tuorum militumDeus tuorum militum
  27. 🔍 42% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  28. 🔍 41% Hostis HerodesHostis Herodes
  29. 🔍 41% Deus tuorum militumDeus tuorum militum
  30. 🔍 41% Magi videntes parvulumMagi videntes parvulum
  31. 🔍 41% Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)
  32. 🔍 41% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  33. 🔍 41% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  34. 🔍 41% Ad regias Agni dapesAd regias Agni dapes
  35. 🔍 41% Crudelis HerodesCrudelis Herodes
  36. 🔍 41% Summae Deus clemtiaeSummae Deus clemtiae
  37. 🔍 41% O sola magnarumO sola magnarum
  38. 🔍 41% En ut superba criminumEn ut superba criminum
  39. 🔍 40% Martine par ApostolisMartine par Apostolis
  40. 🔍 40% A solis ortus cardineA solis ortus cardine
  41. 🔍 40% A solis ortusA solis ortus
  42. 🔍 40% Salvete Christi vulneraSalvete Christi vulnera
  43. 🔍 40% Salutis aeternae datorSalutis aeternae dator
  44. 🔍 40% Hostis Herodes impieHostis Herodes impie
  45. 🔍 40% Aeterne Rex altissimeAeterne Rex altissime
  46. 🔍 40% Salutis aeternae datorSalutis aeternae dator
  47. 🔍 39% Credo VIICredo VII
  48. 🔍 39% Placare Christe servulisPlacare Christe servulis
  49. 🔍 39% Jesu dulcis memoria!Jesu dulcis memoria!
  50. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  51. 🔍 38% Hostis HerodesHostis Herodes
  52. 🔍 38% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  53. 🔍 38% Te lucis ante terminum (In Major. Festis per Annum)Te lucis ante terminum (In Major. Festis per Annum)
  54. 🔍 38% O solaO sola
  55. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  56. 🔍 38% Rex SanctorumRex Sanctorum
  57. 🔍 38% Gloria VGloria V
  58. 🔍 38% Credo in DeumCredo in Deum
  59. 🔍 38% Auctor beate saeculiAuctor beate saeculi
  60. 🔍 38% O lux beata CaelitumO lux beata Caelitum
  61. 🔍 37% Te Mater alma NuminisTe Mater alma Numinis
  62. 🔍 37% Crudelis Herodes DeumCrudelis Herodes Deum
  63. 🔍 37% O sola magnarumO sola magnarum
  64. 🔍 37% O lux beata CaelitumO lux beata Caelitum
  65. 🔍 37% O lux beata CaelitumO lux beata Caelitum