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 Virginum Dominum (maj.)Regem Virginum Dominum (maj.)
  2. 🔍 72% Regem Martyrum Dominum (max.)Regem Martyrum Dominum (max.)
  3. 🔍 64% Regem Confessorum Dominum (min.)Regem Confessorum Dominum (min.)
  4. 🔍 63% Regem Virginum Dominum (min.)Regem Virginum Dominum (min.)
  5. 🔍 61% Regem Apostolorum (min.)Regem Apostolorum (min.)
  6. 🔍 58% Regem Virginum Dominum (simpl.)Regem Virginum Dominum (simpl.)
  7. 🔍 54% Dolores gloriosaeDolores gloriosae
  8. 🔍 47% Regem Confessorum Dominum (simpl.)Regem Confessorum Dominum (simpl.)
  9. 🔍 47% Regem Apostolorum (simpl.)Regem Apostolorum (simpl.)
  10. 🔍 47% Regem magnum DominumRegem magnum Dominum
  11. 🔍 46% Regem Virginum Dominum (t.p.)Regem Virginum Dominum (t.p.)
  12. 🔍 44% Prope est jam Dominus (in Dominicis)Prope est jam Dominus (in Dominicis)
  13. 🔍 42% Regem Martyrum Dominum (simpl.)Regem Martyrum Dominum (simpl.)
  14. 🔍 42% Deum magnum DominumDeum magnum Dominum
  15. 🔍 41% Regem Confessorum Dominum (maj.)Regem Confessorum Dominum (maj.)
  16. 🔍 39% Regem Martyrum Dominum (min.)Regem Martyrum Dominum (min.)
  17. 🔍 38% Regem virginum (simpl.)Regem virginum (simpl.)
  18. 🔍 38% Venite adoremus RegemVenite adoremus Regem
  19. 🔍 38% Christum regem crucifixumChristum regem crucifixum
  20. 🔍 38% Dominum Deum nostrumDominum Deum nostrum
  21. 🔍 37% Regem Confessorum Dominum (t.p.)Regem Confessorum Dominum (t.p.)
  22. 🔍 37% Regem venturum Dominum (in Feriis)Regem venturum Dominum (in Feriis)
  23. 🔍 36% Regem Apostolorum (TP)Regem Apostolorum (TP)
  24. 🔍 35% Regem angelorumRegem angelorum
  25. 🔍 35% Regem Apostolorum (maj.)Regem Apostolorum (maj.)
  26. 🔍 35% Regem Praecursoris DominumRegem Praecursoris Dominum
  27. 🔍 35% Christum Dei Filium MariaeChristum Dei Filium Mariae
  28. 🔍 34% Regem regum Dominum qui putariRegem regum Dominum qui putari
  29. 🔍 34% Regem cui omnia vivunt (3 Lect.)Regem cui omnia vivunt (3 Lect.)
  30. 🔍 33% Regem martyrum DominumRegem martyrum Dominum
  31. 🔍 32% Regem Apostolorum (mode IV*)Regem Apostolorum (mode IV*)
  32. 🔍 32% Christum natumChristum natum
  33. 🔍 32% Cor Jesu amoreCor Jesu amore
  34. 🔍 32% Prope est iam DominusPrope est iam Dominus
  35. 🔍 31% Beatus Laurentius Christi MartyrBeatus Laurentius Christi Martyr
  36. 🔍 31% Regem cuiRegem cui
  37. 🔍 31% Populus DominiPopulus Domini
  38. 🔍 31% Regem angelorum (simpl.)Regem angelorum (simpl.)
  39. 🔍 31% Regem sanctorum (simpl.)Regem sanctorum (simpl.)
  40. 🔍 30% Regem regum DominumRegem regum Dominum
  41. 🔍 30% Christum Regem pro nobisChristum Regem pro nobis
  42. 🔍 30% Regem apostolorum (simpl.)Regem apostolorum (simpl.)
  43. 🔍 30% Regem pastorum (simpl.)Regem pastorum (simpl.)
  44. 🔍 29% Regem doctorum (simpl.)Regem doctorum (simpl.)
  45. 🔍 29% Christum regem adoremusChristum regem adoremus
  46. 🔍 29% Regem venturum Dominum (In feriis)Regem venturum Dominum (In feriis)
  47. 🔍 29% Christum regemChristum regem
  48. 🔍 28% Laudemus Deum... in sanctisLaudemus Deum... in sanctis
  49. 🔍 28% Regem Archangelorum DominumRegem Archangelorum Dominum
  50. 🔍 28% Laudemus Deum... Mariae MagdalenaeLaudemus Deum... Mariae Magdalenae
  51. 🔍 28% Adeste fidelesAdeste fideles
  52. 🔍 28% Regem Martyrum DominumRegem Martyrum Dominum
  53. 🔍 27% Christum Dei Filium MariaeChristum Dei Filium Mariae
  54. 🔍 27% Ave Maria (maj.)Ave Maria (maj.)
  55. 🔍 27% Regem cui... alleluiaRegem cui... alleluia
  56. 🔍 27% Summum Regem gloriaeSummum Regem gloriae
  57. 🔍 27% Dominum qui fecitDominum qui fecit
  58. 🔍 27% Visitationem Virginis MariaeVisitationem Virginis Mariae
  59. 🔍 26% Regem venturum DominumRegem venturum Dominum
  60. 🔍 26% Jesum Christum Regem regumJesum Christum Regem regum
  61. 🔍 26% Dominum Deum nostrumDominum Deum nostrum
  62. 🔍 25% Laudemus Deum... conversioneLaudemus Deum... conversione
  63. 🔍 25% Christus natus est nobisChristus natus est nobis
  64. 🔍 25% Regem venturum DominumRegem venturum Dominum
  65. 🔍 25% Christum Dei Filium qui suoChristum Dei Filium qui suo