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% O gente felixO gente felix
  2. 🔍 35% Hostis HerodesHostis Herodes
  3. 🔍 35% A solis ortusA solis ortus
  4. 🔍 34% Veni Redemptor gentiumVeni Redemptor gentium
  5. 🔍 28% Ad regias Agni dapesAd regias Agni dapes
  6. 🔍 26% O gente felix hospitaO gente felix hospita
  7. 🔍 26% Salvete Christi vulneraSalvete Christi vulnera
  8. 🔍 26% Deus tuorum militumDeus tuorum militum
  9. 🔍 25% Ad regias Agni dapesAd regias Agni dapes
  10. 🔍 25% Caelo Redemptor praetulitCaelo Redemptor praetulit
  11. 🔍 24% Crudelis HerodesCrudelis Herodes
  12. 🔍 24% Credo in DeumCredo in Deum
  13. 🔍 24% O quam felixO quam felix
  14. 🔍 24% Te Mater almaTe Mater alma
  15. 🔍 24% Deus tuorum militumDeus tuorum militum
  16. 🔍 24% O prima Virgo proditaO prima Virgo prodita
  17. 🔍 24% Deus tuorum militumDeus tuorum militum
  18. 🔍 24% Ad cenamAd cenam
  19. 🔍 24% Deus tuorum militumDeus tuorum militum
  20. 🔍 24% A solis ortus cardineA solis ortus cardine
  21. 🔍 24% Vidi aquam (B)Vidi aquam (B)
  22. 🔍 24% AdeamusAdeamus
  23. 🔍 24% Te Mater alma NuminisTe Mater alma Numinis
  24. 🔍 23% En ut superba criminumEn ut superba criminum
  25. 🔍 23% Deus tuorum militumDeus tuorum militum
  26. 🔍 23% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  27. 🔍 23% Hodie caelestiHodie caelesti
  28. 🔍 23% Hostis Herodes impieHostis Herodes impie
  29. 🔍 23% Jam Christus astra ascenderatJam Christus astra ascenderat
  30. 🔍 23% Te dicimus praeconio Intacta MaterTe dicimus praeconio Intacta Mater
  31. 🔍 23% Aurora soli praeviaAurora soli praevia
  32. 🔍 23% Crudelis HerodesCrudelis Herodes
  33. 🔍 23% A solis ortus cardineA solis ortus cardine
  34. 🔍 23% O gloriosa DominaO gloriosa Domina
  35. 🔍 23% O castitatis signiferO castitatis signifer
  36. 🔍 23% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  37. 🔍 22% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  38. 🔍 22% O gloriosa DominaO gloriosa Domina
  39. 🔍 22% Cor arca legem continensCor arca legem continens
  40. 🔍 22% Iam ChristusIam Christus
  41. 🔍 22% Virginis CatharinaeVirginis Catharinae
  42. 🔍 22% Te pater JosephTe pater Joseph
  43. 🔍 22% Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)Nunc Sancte nobis Spiritus (In Sacratis. Cordi. Jesu)
  44. 🔍 22% Serve nequamServe nequam
  45. 🔍 22% Deus tuorum II Cl.Deus tuorum II Cl.
  46. 🔍 22% Aurora soli praeviaAurora soli praevia
  47. 🔍 22% Te lucis ante terminum (In Sacratis. Cord. Jesu)Te lucis ante terminum (In Sacratis. Cord. Jesu)
  48. 🔍 22% O Prima VirgoO Prima Virgo
  49. 🔍 22% Jesu auctor clementiaeJesu auctor clementiae
  50. 🔍 22% Summae Deus clementiae septemSummae Deus clementiae septem
  51. 🔍 22% Rabbi quid peccavitRabbi quid peccavit
  52. 🔍 22% Te dicimus praeconio intacta materTe dicimus praeconio intacta mater
  53. 🔍 22% Aeterne Rex altissimeAeterne Rex altissime
  54. 🔍 22% Veni Creator SpiritusVeni Creator Spiritus
  55. 🔍 22% Veniens Mater InclitusVeniens Mater Inclitus
  56. 🔍 22% Fit porta ChristiFit porta Christi
  57. 🔍 22% CopiosaeCopiosae
  58. 🔍 22% Maria virgo regiaMaria virgo regia
  59. 🔍 22% Aeterne Rex altissimeAeterne Rex altissime
  60. 🔍 22% O gloriosa VirginumO gloriosa Virginum
  61. 🔍 22% O gloriosa VirginumO gloriosa Virginum
  62. 🔍 22% O sola magnarumO sola magnarum
  63. 🔍 22% Christus JesusChristus Jesus
  64. 🔍 22% Nunc Sancte nobis SpiritusNunc Sancte nobis Spiritus
  65. 🔍 22% Verbum supernumVerbum supernum