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