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% Regem angelorumRegem angelorum
  2. 🔍 45% Regem ApostolorumRegem Apostolorum
  3. 🔍 29% Regem angelorum (simpl.)Regem angelorum (simpl.)
  4. 🔍 26% Regem venturum Dominum (In dominica)Regem venturum Dominum (In dominica)
  5. 🔍 24% Regem Apostolorum (mode IV*)Regem Apostolorum (mode IV*)
  6. 🔍 21% Regem angelorumRegem angelorum
  7. 🔍 21% Venite exsultemus IIIVenite exsultemus III
  8. 🔍 20% Regem Confessorum Dominum (maj.)Regem Confessorum Dominum (maj.)
  9. 🔍 20% Regem venturum Dominum (In feriis)Regem venturum Dominum (In feriis)
  10. 🔍 20% Regem apostolorum (simpl.)Regem apostolorum (simpl.)
  11. 🔍 20% Regem magnumRegem magnum
  12. 🔍 19% Regem sanctorum (simpl.)Regem sanctorum (simpl.)
  13. 🔍 19% Regem Apostolorum (simpl.)Regem Apostolorum (simpl.)
  14. 🔍 19% Amplius lava meAmplius lava me
  15. 🔍 19% Regem pastorum (simpl.)Regem pastorum (simpl.)
  16. 🔍 18% Regem doctorum (simpl.)Regem doctorum (simpl.)
  17. 🔍 18% Regem martyrum DominumRegem martyrum Dominum
  18. 🔍 18% Regem Apostolorum (min.)Regem Apostolorum (min.)
  19. 🔍 18% Regem Virginum Dominum (simpl.)Regem Virginum Dominum (simpl.)
  20. 🔍 17% Regem virginum (simpl.)Regem virginum (simpl.)
  21. 🔍 17% Regem Virginum Dominum (min.)Regem Virginum Dominum (min.)
  22. 🔍 17% Regem magnum DominumRegem magnum Dominum
  23. 🔍 17% Regem Confessorum Dominum (t.p.)Regem Confessorum Dominum (t.p.)
  24. 🔍 16% Regem Confessorum Dominum (simpl.)Regem Confessorum Dominum (simpl.)
  25. 🔍 16% Regem Virginum Dominum (t.p.)Regem Virginum Dominum (t.p.)
  26. 🔍 16% Lauda JerusalemLauda Jerusalem
  27. 🔍 16% Regem Confessorum Dominum (min.)Regem Confessorum Dominum (min.)
  28. 🔍 16% Iesum Christum, regem regumIesum Christum, regem regum
  29. 🔍 16% Regem magnumRegem magnum
  30. 🔍 16% Regem Martyrum Dominum (simpl.)Regem Martyrum Dominum (simpl.)
  31. 🔍 16% Regem Martyrum DominumRegem Martyrum Dominum
  32. 🔍 16% Regem venturum Dominum (in Feriis)Regem venturum Dominum (in Feriis)
  33. 🔍 15% Ante me non estAnte me non est
  34. 🔍 15% Venite adoremus RegemVenite adoremus Regem
  35. 🔍 15% Adeste fidelesAdeste fideles
  36. 🔍 15% Regem Virginum Dominum (maj.)Regem Virginum Dominum (maj.)
  37. 🔍 15% O salutaris HostiaO salutaris Hostia
  38. 🔍 15% Regem venturum DominumRegem venturum Dominum
  39. 🔍 15% Christum pastorum principemChristum pastorum principem
  40. 🔍 15% Adeste fidelesAdeste fideles
  41. 🔍 15% Venite exsultemus (mode 3f solemnis)Venite exsultemus (mode 3f solemnis)
  42. 🔍 14% Regem venturum DominumRegem venturum Dominum
  43. 🔍 14% Regem cuiRegem cui
  44. 🔍 14% Regem Apostolorum (TP)Regem Apostolorum (TP)
  45. 🔍 14% Regem Martyrum Dominum (max.)Regem Martyrum Dominum (max.)
  46. 🔍 14% Regem venturum DominumRegem venturum Dominum
  47. 🔍 14% Regem Martyrum Dominum (min.)Regem Martyrum Dominum (min.)
  48. 🔍 14% Libera me Domine de morteLibera me Domine de morte
  49. 🔍 14% Regem venturum DominumRegem venturum Dominum
  50. 🔍 14% Prope est iam Dominus (In feriis)Prope est iam Dominus (In feriis)
  51. 🔍 14% Regem cui omniaRegem cui omnia
  52. 🔍 14% Christum regem Filium DavidChristum regem Filium David
  53. 🔍 13% Sponsa Christi quae per orbemSponsa Christi quae per orbem
  54. 🔍 13% Regem Praecursoris DominumRegem Praecursoris Dominum
  55. 🔍 13% Regem Apostolorum (maj.)Regem Apostolorum (maj.)
  56. 🔍 13% Exaltate Regem saeculorumExaltate Regem saeculorum
  57. 🔍 13% Christus natus est nobisChristus natus est nobis
  58. 🔍 13% Adeste fidelesAdeste fideles
  59. 🔍 13% Christum regem crucifixum... alleluiaChristum regem crucifixum... alleluia
  60. 🔍 13% Rerum creator optimeRerum creator optime
  61. 🔍 13% Exaltate Regem saeculorumExaltate Regem saeculorum
  62. 🔍 13% Facta estFacta est
  63. 🔍 13% Venite adoremus RegemVenite adoremus Regem
  64. 🔍 13% Rerum creator (+rhythmic signs)Rerum creator (+rhythmic signs)
  65. 🔍 12% Regem Archangelorum DominumRegem Archangelorum Dominum