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