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% Kyrie IIIKyrie III
  2. 🔍 68% Kyrie IVKyrie IV
  3. 🔍 66% Kyrie VIKyrie VI
  4. 🔍 63% Kyrie IIKyrie II
  5. 🔍 59% Kyrie VIII - Profestis diebusKyrie VIII - Profestis diebus
  6. 🔍 58% Orbis factorOrbis factor
  7. 🔍 56% Kyrie VIIIKyrie VIII
  8. 🔍 55% Kyrie eleison (tonus festivus)Kyrie eleison (tonus festivus)
  9. 🔍 54% Kyrie VKyrie V
  10. 🔍 54% Kyrie IKyrie I
  11. 🔍 53% Kyrie eleison (tonus ferialis)Kyrie eleison (tonus ferialis)
  12. 🔍 50% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  13. 🔍 33% Kyrie IVKyrie IV
  14. 🔍 32% Kyrie (Requiem)Kyrie (Requiem)
  15. 🔍 31% Kyrie XIIKyrie XII
  16. 🔍 30% Kyrie XVIIIKyrie XVIII
  17. 🔍 28% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  18. 🔍 27% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  19. 🔍 27% Kyrie XVIKyrie XVI
  20. 🔍 27% Kyrie III BKyrie III B
  21. 🔍 27% Kyrie (ad lib.) XKyrie (ad lib.) X
  22. 🔍 27% Kyrie XKyrie X
  23. 🔍 26% Kyrie IX.Kyrie IX.
  24. 🔍 26% Kyrie Missa RegiaKyrie Missa Regia
  25. 🔍 26% Kyrie IIBKyrie IIB
  26. 🔍 26% KyrieKyrie
  27. 🔍 26% Kyrie IIKyrie II
  28. 🔍 26% Kyrie VKyrie V
  29. 🔍 26% Kyrie IKyrie I
  30. 🔍 26% Kyrie XIIIKyrie XIII
  31. 🔍 26% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  32. 🔍 26% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  33. 🔍 25% Kyrie IVBKyrie IVB
  34. 🔍 25% Kyrie Missa RegiaKyrie Missa Regia
  35. 🔍 25% KyrieKyrie
  36. 🔍 25% Kyrie IIIKyrie III
  37. 🔍 25% Kyrie VIII.Kyrie VIII.
  38. 🔍 25% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  39. 🔍 25% Kyrie IKyrie I
  40. 🔍 25% Lux et origoLux et origo
  41. 🔍 25% Lux et origoLux et origo
  42. 🔍 25% Lux et origoLux et origo
  43. 🔍 25% Lux et origoLux et origo
  44. 🔍 25% Lux et origoLux et origo
  45. 🔍 24% Kyrie VII.Kyrie VII.
  46. 🔍 24% Kyrie (Missa pro defunctis)Kyrie (Missa pro defunctis)
  47. 🔍 24% Kyrie XVKyrie XV
  48. 🔍 24% Kyrie VKyrie V
  49. 🔍 24% Kyrie (ad lib.) IX. - O Pater excelseKyrie (ad lib.) IX. - O Pater excelse
  50. 🔍 24% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  51. 🔍 23% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  52. 🔍 23% Lux et origoLux et origo
  53. 🔍 23% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  54. 🔍 23% Kyrie VBKyrie VB
  55. 🔍 23% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  56. 🔍 23% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  57. 🔍 23% Kyrie VKyrie V
  58. 🔍 23% Kyrie IVKyrie IV
  59. 🔍 22% Kyrie XVIIKyrie XVII
  60. 🔍 22% Kyrie XKyrie X
  61. 🔍 22% Kyrie XIIKyrie XII
  62. 🔍 22% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  63. 🔍 22% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  64. 🔍 21% Kyrie XVII BKyrie XVII B
  65. 🔍 21% Kyrie XVII BKyrie XVII B