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% KyrieKyrie
  2. 🔍 80% Kyrie (Missa pro defunctis)Kyrie (Missa pro defunctis)
  3. 🔍 56% KyrieKyrie
  4. 🔍 50% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  5. 🔍 43% Kyrie XVIIIKyrie XVIII
  6. 🔍 42% Kyrie XVIKyrie XVI
  7. 🔍 42% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  8. 🔍 41% Kyrie (ad lib.) XKyrie (ad lib.) X
  9. 🔍 40% Kyrie eleisonKyrie eleison
  10. 🔍 39% Kyrie Orbis factorKyrie Orbis factor
  11. 🔍 39% Kyrie eleison (tonus simplex)Kyrie eleison (tonus simplex)
  12. 🔍 39% Kyrie XKyrie X
  13. 🔍 39% Kyrie Missa RegiaKyrie Missa Regia
  14. 🔍 39% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  15. 🔍 38% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  16. 🔍 38% Litaniae Beatae Mariae VirginisLitaniae Beatae Mariae Virginis
  17. 🔍 37% Kyrie Missa RegiaKyrie Missa Regia
  18. 🔍 37% Kyrie IX.Kyrie IX.
  19. 🔍 37% Kyrie IKyrie I
  20. 🔍 37% Kyrie (Requiem)Kyrie (Requiem)
  21. 🔍 37% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  22. 🔍 36% Kyrie (ad lib.) IX. - O Pater excelseKyrie (ad lib.) IX. - O Pater excelse
  23. 🔍 36% Kyrie VIII.Kyrie VIII.
  24. 🔍 36% Lux et origoLux et origo
  25. 🔍 36% Kyrie VII.Kyrie VII.
  26. 🔍 36% Lux et origoLux et origo
  27. 🔍 36% Lux et origoLux et origo
  28. 🔍 36% Lux et origoLux et origo
  29. 🔍 36% Lux et origoLux et origo
  30. 🔍 36% Kyrie VKyrie V
  31. 🔍 36% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  32. 🔍 35% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  33. 🔍 35% Kyrie eleison (tonus festivus)Kyrie eleison (tonus festivus)
  34. 🔍 35% Kyrie VIIIKyrie VIII
  35. 🔍 35% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  36. 🔍 35% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  37. 🔍 35% Kyrie XIIKyrie XII
  38. 🔍 34% Kyrie XVKyrie XV
  39. 🔍 34% Kyrie eleison (tonus ferialis)Kyrie eleison (tonus ferialis)
  40. 🔍 34% Kyrie XIIIKyrie XIII
  41. 🔍 34% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  42. 🔍 34% Litaniae LauretanaeLitaniae Lauretanae
  43. 🔍 34% Kyrie VKyrie V
  44. 🔍 33% Kyrie IKyrie I
  45. 🔍 33% Kyrie IVKyrie IV
  46. 🔍 33% Litaniae Sancti JosephLitaniae Sancti Joseph
  47. 🔍 33% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  48. 🔍 33% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  49. 🔍 33% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  50. 🔍 32% Kyrie XKyrie X
  51. 🔍 32% Kyrie VIIKyrie VII
  52. 🔍 32% Kyrie (ad lib.) VIII. - Firmator sancteKyrie (ad lib.) VIII. - Firmator sancte
  53. 🔍 32% Kyrie III BKyrie III B
  54. 🔍 31% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  55. 🔍 31% Kyrie IIKyrie II
  56. 🔍 31% Kyrie IIBKyrie IIB
  57. 🔍 31% Kyrie XVIIKyrie XVII
  58. 🔍 31% Kyrie VKyrie V
  59. 🔍 31% Kyrie IVBKyrie IVB
  60. 🔍 31% Kyrie IIIKyrie III
  61. 🔍 30% Lux et origoLux et origo
  62. 🔍 30% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  63. 🔍 30% Kyrie XVII BKyrie XVII B
  64. 🔍 30% Kyrie XVII BKyrie XVII B
  65. 🔍 30% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)