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 VII (forma ordinaria)Kyrie VII (forma ordinaria)
  2. 🔍 65% Kyrie VIIKyrie VII
  3. 🔍 54% Ite VIIIte VII
  4. 🔍 51% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  5. 🔍 49% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  6. 🔍 45% Kyrie IV (forma ordinaria)Kyrie IV (forma ordinaria)
  7. 🔍 44% Kyrie VII.Kyrie VII.
  8. 🔍 43% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  9. 🔍 43% Kyrie VIII.Kyrie VIII.
  10. 🔍 42% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  11. 🔍 42% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  12. 🔍 42% Kyrie XKyrie X
  13. 🔍 41% Kyrie IX.Kyrie IX.
  14. 🔍 41% Lux et origoLux et origo
  15. 🔍 40% Lux et origoLux et origo
  16. 🔍 40% Kyrie XVKyrie XV
  17. 🔍 40% Lux et origoLux et origo
  18. 🔍 40% Lux et origoLux et origo
  19. 🔍 40% Lux et origoLux et origo
  20. 🔍 40% Kyrie (ad lib.) XKyrie (ad lib.) X
  21. 🔍 40% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  22. 🔍 40% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  23. 🔍 40% Lux et origoLux et origo
  24. 🔍 40% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  25. 🔍 39% Kyrie IKyrie I
  26. 🔍 39% Kyrie V (forma ordinaria)Kyrie V (forma ordinaria)
  27. 🔍 39% Kyrie IIKyrie II
  28. 🔍 38% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  29. 🔍 38% Kyrie IIBKyrie IIB
  30. 🔍 38% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  31. 🔍 37% Kyrie IIIKyrie III
  32. 🔍 37% Kyrie VKyrie V
  33. 🔍 37% Kyrie Missa RegiaKyrie Missa Regia
  34. 🔍 37% Kyrie IKyrie I
  35. 🔍 37% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  36. 🔍 37% Kyrie (Requiem)Kyrie (Requiem)
  37. 🔍 37% Kyrie IVBKyrie IVB
  38. 🔍 37% Kyrie II (forma ordinaria)Kyrie II (forma ordinaria)
  39. 🔍 37% Kyrie XVII AKyrie XVII A
  40. 🔍 37% Kyrie XVIIIKyrie XVIII
  41. 🔍 36% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  42. 🔍 36% Kyrie Missa RegiaKyrie Missa Regia
  43. 🔍 36% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  44. 🔍 36% Kyrie VKyrie V
  45. 🔍 36% Kyrie IIIKyrie III
  46. 🔍 36% Kyrie XI BKyrie XI B
  47. 🔍 35% Kyrie III BKyrie III B
  48. 🔍 35% Kyrie XVIKyrie XVI
  49. 🔍 35% Kyrie XVII BKyrie XVII B
  50. 🔍 35% Kyrie XVII BKyrie XVII B
  51. 🔍 34% Kyrie VIKyrie VI
  52. 🔍 34% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  53. 🔍 34% Kyrie VBKyrie VB
  54. 🔍 34% Kyrie IXKyrie IX
  55. 🔍 33% Kyrie XKyrie X
  56. 🔍 33% Kyrie IVKyrie IV
  57. 🔍 33% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  58. 🔍 33% Kyrie IVKyrie IV
  59. 🔍 33% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  60. 🔍 33% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  61. 🔍 33% Litaniae Sancti JosephLitaniae Sancti Joseph
  62. 🔍 32% Kyrie Orbis factorKyrie Orbis factor
  63. 🔍 32% Kyrie VIII (forma ordinaria)Kyrie VIII (forma ordinaria)
  64. 🔍 32% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  65. 🔍 32% Kyrie XIIIKyrie XIII