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 IKyrie I
  2. 🔍 71% Kyrie VIII - Profestis diebusKyrie VIII - Profestis diebus
  3. 🔍 66% Orbis factorOrbis factor
  4. 🔍 57% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  5. 🔍 55% Kyrie eleison (tonus festivus)Kyrie eleison (tonus festivus)
  6. 🔍 55% Kyrie VKyrie V
  7. 🔍 54% Kyrie IIIKyrie III
  8. 🔍 53% Kyrie eleison (tonus ferialis)Kyrie eleison (tonus ferialis)
  9. 🔍 52% Kyrie IVKyrie IV
  10. 🔍 48% Kyrie VIKyrie VI
  11. 🔍 48% Kyrie IIKyrie II
  12. 🔍 46% Kyrie (Requiem)Kyrie (Requiem)
  13. 🔍 46% Kyrie IVBKyrie IVB
  14. 🔍 45% Kyrie IVKyrie IV
  15. 🔍 42% Kyrie IIKyrie II
  16. 🔍 42% Kyrie IV (forma ordinaria)Kyrie IV (forma ordinaria)
  17. 🔍 41% Kyrie IIBKyrie IIB
  18. 🔍 41% Kyrie VII.Kyrie VII.
  19. 🔍 41% Kyrie XVIIIKyrie XVIII
  20. 🔍 40% Kyrie IKyrie I
  21. 🔍 40% Kyrie VBKyrie VB
  22. 🔍 40% Kyrie (ad lib.) XKyrie (ad lib.) X
  23. 🔍 40% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  24. 🔍 40% Kyrie IX.Kyrie IX.
  25. 🔍 39% Kyrie VIII.Kyrie VIII.
  26. 🔍 39% Kyrie Missa RegiaKyrie Missa Regia
  27. 🔍 38% Kyrie Missa RegiaKyrie Missa Regia
  28. 🔍 38% Kyrie IIIKyrie III
  29. 🔍 38% Kyrie XIIIKyrie XIII
  30. 🔍 38% Kyrie VKyrie V
  31. 🔍 38% Kyrie XVKyrie XV
  32. 🔍 37% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  33. 🔍 37% Kyrie III BKyrie III B
  34. 🔍 37% Kyrie XVIKyrie XVI
  35. 🔍 37% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  36. 🔍 37% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  37. 🔍 36% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  38. 🔍 36% Kyrie XKyrie X
  39. 🔍 36% Kyrie IKyrie I
  40. 🔍 36% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  41. 🔍 36% Kyrie XKyrie X
  42. 🔍 36% Kyrie VKyrie V
  43. 🔍 35% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  44. 🔍 35% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  45. 🔍 35% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  46. 🔍 35% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  47. 🔍 34% Kyrie IIIKyrie III
  48. 🔍 34% Kyrie XIIIKyrie XIII
  49. 🔍 34% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  50. 🔍 34% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  51. 🔍 34% Kyrie IVKyrie IV
  52. 🔍 34% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  53. 🔍 33% Lux et origoLux et origo
  54. 🔍 32% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  55. 🔍 32% KyrieKyrie
  56. 🔍 32% Kyrie XIIKyrie XII
  57. 🔍 32% Kyrie VIIKyrie VII
  58. 🔍 32% Kyrie XVII BKyrie XVII B
  59. 🔍 32% Kyrie XVII BKyrie XVII B
  60. 🔍 32% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  61. 🔍 32% Kyrie VIIIKyrie VIII
  62. 🔍 32% Kyrie VII (forma ordinaria)Kyrie VII (forma ordinaria)
  63. 🔍 32% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  64. 🔍 31% Kyrie XVIIKyrie XVII
  65. 🔍 31% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)