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 II (forma ordinaria)Kyrie II (forma ordinaria)
  2. 🔍 89% Kyrie IIKyrie II
  3. 🔍 51% Ite IIaIte IIa
  4. 🔍 44% Kyrie IV (forma ordinaria)Kyrie IV (forma ordinaria)
  5. 🔍 44% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  6. 🔍 44% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  7. 🔍 40% Kyrie VIII.Kyrie VIII.
  8. 🔍 39% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  9. 🔍 39% Kyrie VII.Kyrie VII.
  10. 🔍 39% Kyrie IKyrie I
  11. 🔍 39% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  12. 🔍 39% Kyrie IX.Kyrie IX.
  13. 🔍 38% Kyrie V (forma ordinaria)Kyrie V (forma ordinaria)
  14. 🔍 38% Kyrie IIKyrie II
  15. 🔍 37% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  16. 🔍 37% Kyrie (Requiem)Kyrie (Requiem)
  17. 🔍 37% Kyrie VII (forma ordinaria)Kyrie VII (forma ordinaria)
  18. 🔍 37% Kyrie XKyrie X
  19. 🔍 37% Kyrie IIBKyrie IIB
  20. 🔍 37% Kyrie (ad lib.) XKyrie (ad lib.) X
  21. 🔍 36% Kyrie IVBKyrie IVB
  22. 🔍 36% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  23. 🔍 36% Kyrie XVKyrie XV
  24. 🔍 35% Kyrie IIIKyrie III
  25. 🔍 35% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  26. 🔍 35% Kyrie VKyrie V
  27. 🔍 34% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  28. 🔍 34% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  29. 🔍 34% Kyrie III BKyrie III B
  30. 🔍 34% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  31. 🔍 34% Kyrie IVKyrie IV
  32. 🔍 33% Kyrie XVIIIKyrie XVIII
  33. 🔍 33% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  34. 🔍 33% Kyrie XVIKyrie XVI
  35. 🔍 33% Kyrie IXKyrie IX
  36. 🔍 33% Kyrie IVKyrie IV
  37. 🔍 33% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  38. 🔍 33% Lux et origoLux et origo
  39. 🔍 32% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  40. 🔍 32% Lux et origoLux et origo
  41. 🔍 32% Lux et origoLux et origo
  42. 🔍 32% Lux et origoLux et origo
  43. 🔍 32% Lux et origoLux et origo
  44. 🔍 32% Kyrie VBKyrie VB
  45. 🔍 32% Lux et origoLux et origo
  46. 🔍 32% Kyrie Missa RegiaKyrie Missa Regia
  47. 🔍 32% Kyrie fons bonitatisKyrie fons bonitatis
  48. 🔍 32% Kyrie VKyrie V
  49. 🔍 31% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  50. 🔍 31% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  51. 🔍 31% Kyrie Missa RegiaKyrie Missa Regia
  52. 🔍 31% Kyrie XVII AKyrie XVII A
  53. 🔍 31% Kyrie IIIKyrie III
  54. 🔍 30% Kyrie XKyrie X
  55. 🔍 30% Kyrie XVII BKyrie XVII B
  56. 🔍 30% Kyrie XVII BKyrie XVII B
  57. 🔍 30% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  58. 🔍 30% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  59. 🔍 30% Kyrie VIKyrie VI
  60. 🔍 30% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  61. 🔍 30% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  62. 🔍 29% Kyrie eleisonKyrie eleison
  63. 🔍 29% Kyrie XIIKyrie XII
  64. 🔍 29% Kyrie IKyrie I
  65. 🔍 29% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime