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 Apostolorum (maj.)Regem Apostolorum (maj.)
  2. 🔍 51% Christum Regem pro nobisChristum Regem pro nobis
  3. 🔍 42% Regem Apostolorum (simpl.)Regem Apostolorum (simpl.)
  4. 🔍 41% Regem Apostolorum (min.)Regem Apostolorum (min.)
  5. 🔍 37% Regem apostolorum (simpl.)Regem apostolorum (simpl.)
  6. 🔍 36% Regem Apostolorum (TP)Regem Apostolorum (TP)
  7. 🔍 35% Regem Virginum Dominum (maj.)Regem Virginum Dominum (maj.)
  8. 🔍 34% Regem Confessorum Dominum (maj.)Regem Confessorum Dominum (maj.)
  9. 🔍 33% Regem Virginum Dominum (simpl.)Regem Virginum Dominum (simpl.)
  10. 🔍 32% Regem Martyrum Dominum (simpl.)Regem Martyrum Dominum (simpl.)
  11. 🔍 31% Regem Virginum Dominum (min.)Regem Virginum Dominum (min.)
  12. 🔍 30% Regem Virginum Dominum (t.p.)Regem Virginum Dominum (t.p.)
  13. 🔍 30% Regem magnum DominumRegem magnum Dominum
  14. 🔍 30% Regem Confessorum Dominum (min.)Regem Confessorum Dominum (min.)
  15. 🔍 30% Regem Confessorum Dominum (t.p.)Regem Confessorum Dominum (t.p.)
  16. 🔍 29% Regem Confessorum Dominum (simpl.)Regem Confessorum Dominum (simpl.)
  17. 🔍 29% Regem Martyrum Dominum (max.)Regem Martyrum Dominum (max.)
  18. 🔍 28% Regem Apostolorum (mode IV*)Regem Apostolorum (mode IV*)
  19. 🔍 28% Regem Martyrum Dominum (min.)Regem Martyrum Dominum (min.)
  20. 🔍 27% Regem venturum Dominum (in Feriis)Regem venturum Dominum (in Feriis)
  21. 🔍 27% Christum regem crucifixumChristum regem crucifixum
  22. 🔍 27% Adeste fidelesAdeste fideles
  23. 🔍 26% Regem angelorumRegem angelorum
  24. 🔍 26% Regem angelorum (simpl.)Regem angelorum (simpl.)
  25. 🔍 25% Regem sanctorum (simpl.)Regem sanctorum (simpl.)
  26. 🔍 24% Dominum Deum nostrumDominum Deum nostrum
  27. 🔍 24% Dolores gloriosaeDolores gloriosae
  28. 🔍 24% Regem pastorum (simpl.)Regem pastorum (simpl.)
  29. 🔍 24% Populus DominiPopulus Domini
  30. 🔍 24% Venite adoremus RegemVenite adoremus Regem
  31. 🔍 23% Regem doctorum (simpl.)Regem doctorum (simpl.)
  32. 🔍 23% Regem virginum (simpl.)Regem virginum (simpl.)
  33. 🔍 23% Deum magnum DominumDeum magnum Dominum
  34. 🔍 23% Regem Praecursoris DominumRegem Praecursoris Dominum
  35. 🔍 23% Regem cui omnia vivunt (3 Lect.)Regem cui omnia vivunt (3 Lect.)
  36. 🔍 22% Regem regum Dominum qui putariRegem regum Dominum qui putari
  37. 🔍 22% Regem cuiRegem cui
  38. 🔍 22% Cor Jesu amoreCor Jesu amore
  39. 🔍 22% Sufficiebat nobisSufficiebat nobis
  40. 🔍 21% Christum regemChristum regem
  41. 🔍 21% Adeste fidelesAdeste fideles
  42. 🔍 21% Regem venturum Dominum (In feriis)Regem venturum Dominum (In feriis)
  43. 🔍 20% Regem ApostolorumRegem Apostolorum
  44. 🔍 20% Regem martyrum DominumRegem martyrum Dominum
  45. 🔍 20% Christum regem crucifixum... alleluiaChristum regem crucifixum... alleluia
  46. 🔍 20% Regem regum DominumRegem regum Dominum
  47. 🔍 20% Regem venturum DominumRegem venturum Dominum
  48. 🔍 20% Deus tuorum militum (Tonus alter)Deus tuorum militum (Tonus alter)
  49. 🔍 20% PlantaveratPlantaverat
  50. 🔍 20% Regem venturum DominumRegem venturum Dominum
  51. 🔍 19% Aegypte noli flereAegypte noli flere
  52. 🔍 19% Ecce venit ad templumEcce venit ad templum
  53. 🔍 19% Regem Martyrum DominumRegem Martyrum Dominum
  54. 🔍 19% Christus natus est nobisChristus natus est nobis
  55. 🔍 19% Adjutor et susceptor meusAdjutor et susceptor meus
  56. 🔍 19% Ecce Deus noster isteEcce Deus noster iste
  57. 🔍 19% Nativitas gloriosaeNativitas gloriosae
  58. 🔍 19% Ego autem adjuvataEgo autem adjuvata
  59. 🔍 19% Christe qui lux es et diesChriste qui lux es et dies
  60. 🔍 19% Beatus Laurentius Christi MartyrBeatus Laurentius Christi Martyr
  61. 🔍 19% Dominum qui fecitDominum qui fecit
  62. 🔍 18% Summum Regem gloriaeSummum Regem gloriae
  63. 🔍 18% Venite post meVenite post me
  64. 🔍 18% Recordare Domine testamentiRecordare Domine testamenti
  65. 🔍 18% Adeste fidelesAdeste fideles