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% Beatus vir (Ps. 111, 8G Solemn)Beatus vir (Ps. 111, 8G Solemn)
  2. 🔍 61% Beatus vir (Ps. 111, 7a)Beatus vir (Ps. 111, 7a)
  3. 🔍 53% Dixit Dominus (Ps. 109, 8G Solemn)Dixit Dominus (Ps. 109, 8G Solemn)
  4. 🔍 42% Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)
  5. 🔍 33% Confitebor (Ps. 110, 7a Solemn)Confitebor (Ps. 110, 7a Solemn)
  6. 🔍 28% Credidi (Ps. 115, 8c)Credidi (Ps. 115, 8c)
  7. 🔍 28% Benedictus DominusBenedictus Dominus
  8. 🔍 26% Qui timet DominumQui timet Dominum
  9. 🔍 26% Qui timet DominumQui timet Dominum
  10. 🔍 25% Qui timetQui timet
  11. 🔍 24% Magnificat - 8G (simple)Magnificat - 8G (simple)
  12. 🔍 24% Lauda Jerusalem (Ps.147 - Textus antiquus)Lauda Jerusalem (Ps.147 - Textus antiquus)
  13. 🔍 23% Beatus vir qui metuit DominumBeatus vir qui metuit Dominum
  14. 🔍 23% In mandatisIn mandatis
  15. 🔍 23% Verba meaVerba mea
  16. 🔍 22% Beatus vir qui in legeBeatus vir qui in lege
  17. 🔍 22% Beatus vir qui metuit DominumBeatus vir qui metuit Dominum
  18. 🔍 22% Beatus vir qui in legeBeatus vir qui in lege
  19. 🔍 21% Beatus vir qui in legeBeatus vir qui in lege
  20. 🔍 21% Magnificat, 8G 8G* 8cMagnificat, 8G 8G* 8c
  21. 🔍 20% DispersitDispersit
  22. 🔍 20% Beatus vir qui in legeBeatus vir qui in lege
  23. 🔍 20% DispersitDispersit
  24. 🔍 19% DispersitDispersit
  25. 🔍 19% Psalmus 45Psalmus 45
  26. 🔍 19% Ps. 22 Dominus Pascit mePs. 22 Dominus Pascit me
  27. 🔍 18% Vidi aquamVidi aquam
  28. 🔍 18% Beatus populusBeatus populus
  29. 🔍 18% Beatus vir qui timetBeatus vir qui timet
  30. 🔍 17% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  31. 🔍 17% Beatus vir, qui suffertBeatus vir, qui suffert
  32. 🔍 17% Beatus vir qui timet DominumBeatus vir qui timet Dominum
  33. 🔍 17% Beatus vir qui timetBeatus vir qui timet
  34. 🔍 17% Beati qui lavantBeati qui lavant
  35. 🔍 16% Spiritus Domini sine AlleluiaSpiritus Domini sine Alleluia
  36. 🔍 16% In mandatisIn mandatis
  37. 🔍 16% Beatus vir qui timetBeatus vir qui timet
  38. 🔍 16% Beatus populusBeatus populus
  39. 🔍 16% Confitebor Tibi (Ps. 110, 2D)Confitebor Tibi (Ps. 110, 2D)
  40. 🔍 16% Ad regias Agni dapesAd regias Agni dapes
  41. 🔍 16% Beatus vir qui timetBeatus vir qui timet
  42. 🔍 16% Emisi vosEmisi vos
  43. 🔍 16% Ad coenamAd coenam
  44. 🔍 16% Ad CoenamAd Coenam
  45. 🔍 16% Dicit Dominus : SermonesDicit Dominus : Sermones
  46. 🔍 16% Ad regias Agni dapesAd regias Agni dapes
  47. 🔍 16% Gloria Patri VIIIGloria Patri VIII
  48. 🔍 16% Beatus vir qui timet (Grad.)Beatus vir qui timet (Grad.)
  49. 🔍 16% Domini est terra (Ps.23 - Textus antiquus)Domini est terra (Ps.23 - Textus antiquus)
  50. 🔍 16% Lumen ad revelationemLumen ad revelationem
  51. 🔍 16% Beati qui lavantBeati qui lavant
  52. 🔍 16% Beatus vir qui timet (All.)Beatus vir qui timet (All.)
  53. 🔍 16% Beati qui lavantBeati qui lavant
  54. 🔍 16% Beati qui lavantBeati qui lavant
  55. 🔍 15% Fuit vir vitae venerabilisFuit vir vitae venerabilis
  56. 🔍 15% Hodiernae lux dieiHodiernae lux diei
  57. 🔍 15% Vidi aquam (B)Vidi aquam (B)
  58. 🔍 15% Beatus vir qui timet...delectatur (Tract.)Beatus vir qui timet...delectatur (Tract.)
  59. 🔍 15% Mandatum novumMandatum novum
  60. 🔍 15% Psalmus 118Psalmus 118
  61. 🔍 15% Beatus VincentiusBeatus Vincentius
  62. 🔍 15% Beatus populusBeatus populus
  63. 🔍 15% Beata Dei Genitrix (Presentation)Beata Dei Genitrix (Presentation)
  64. 🔍 15% Introduxit vosIntroduxit vos
  65. 🔍 15% Laudate... omnes AngeliLaudate... omnes Angeli