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: 2025-12-20. 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% Kyrie (Missa pro defunctis)Kyrie (Missa pro defunctis)
  2. 🔍 80% KyrieKyrie
  3. 🔍 53% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  4. 🔍 47% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  5. 🔍 47% Kyrie XVIIIKyrie XVIII
  6. 🔍 46% Kyrie XVIKyrie XVI
  7. 🔍 45% Kyrie Missa RegiaKyrie Missa Regia
  8. 🔍 45% Kyrie (ad lib.) XKyrie (ad lib.) X
  9. 🔍 45% Kyrie IX.Kyrie IX.
  10. 🔍 45% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  11. 🔍 44% Kyrie (Requiem)Kyrie (Requiem)
  12. 🔍 44% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  13. 🔍 44% Kyrie XKyrie X
  14. 🔍 44% Kyrie VIII.Kyrie VIII.
  15. 🔍 44% Kyrie Missa RegiaKyrie Missa Regia
  16. 🔍 43% Lux et origoLux et origo
  17. 🔍 43% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  18. 🔍 43% Lux et origoLux et origo
  19. 🔍 43% Lux et origoLux et origo
  20. 🔍 43% Lux et origoLux et origo
  21. 🔍 43% Lux et origoLux et origo
  22. 🔍 43% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  23. 🔍 43% Kyrie IIBKyrie IIB
  24. 🔍 42% Kyrie VII.Kyrie VII.
  25. 🔍 42% Kyrie VKyrie V
  26. 🔍 42% Kyrie VKyrie V
  27. 🔍 42% Kyrie IVBKyrie IVB
  28. 🔍 41% Kyrie III BKyrie III B
  29. 🔍 41% Kyrie IKyrie I
  30. 🔍 41% KyrieKyrie
  31. 🔍 41% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  32. 🔍 41% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  33. 🔍 41% Kyrie XVKyrie XV
  34. 🔍 41% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  35. 🔍 40% Kyrie eleison (tonus simplex)Kyrie eleison (tonus simplex)
  36. 🔍 40% Kyrie IKyrie I
  37. 🔍 40% Kyrie eleisonKyrie eleison
  38. 🔍 40% Kyrie IIIKyrie III
  39. 🔍 39% Kyrie IIKyrie II
  40. 🔍 39% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  41. 🔍 38% Kyrie XKyrie X
  42. 🔍 38% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  43. 🔍 38% Kyrie (ad lib.) IX. - O Pater excelseKyrie (ad lib.) IX. - O Pater excelse
  44. 🔍 38% Kyrie XIIKyrie XII
  45. 🔍 38% Lux et origoLux et origo
  46. 🔍 38% Kyrie XIIIKyrie XIII
  47. 🔍 37% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  48. 🔍 36% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  49. 🔍 36% Kyrie IVKyrie IV
  50. 🔍 36% Kyrie VBKyrie VB
  51. 🔍 36% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  52. 🔍 36% Kyrie VKyrie V
  53. 🔍 36% Litaniae Beatae Mariae VirginisLitaniae Beatae Mariae Virginis
  54. 🔍 35% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  55. 🔍 35% Kyrie IVKyrie IV
  56. 🔍 35% Kyrie XVII BKyrie XVII B
  57. 🔍 35% Kyrie XVII BKyrie XVII B
  58. 🔍 34% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  59. 🔍 34% Kyrie (ad lib.) VIII. - Firmator sancteKyrie (ad lib.) VIII. - Firmator sancte
  60. 🔍 34% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  61. 🔍 34% Kyrie XVIIKyrie XVII
  62. 🔍 34% Litaniae LauretanaeLitaniae Lauretanae
  63. 🔍 34% Kyrie fons bonitatisKyrie fons bonitatis
  64. 🔍 33% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  65. 🔍 33% Kyrie VIIKyrie VII