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 V (forma ordinaria)Kyrie V (forma ordinaria)
  2. 🔍 78% Kyrie VKyrie V
  3. 🔍 53% Ite VIte V
  4. 🔍 47% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  5. 🔍 44% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  6. 🔍 43% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  7. 🔍 41% Kyrie IX.Kyrie IX.
  8. 🔍 41% Kyrie IKyrie I
  9. 🔍 40% Kyrie Missa RegiaKyrie Missa Regia
  10. 🔍 40% Kyrie VII.Kyrie VII.
  11. 🔍 39% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  12. 🔍 39% Kyrie VIII.Kyrie VIII.
  13. 🔍 39% Kyrie XVIKyrie XVI
  14. 🔍 39% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  15. 🔍 39% Kyrie IV (forma ordinaria)Kyrie IV (forma ordinaria)
  16. 🔍 39% Kyrie VII (forma ordinaria)Kyrie VII (forma ordinaria)
  17. 🔍 38% Kyrie IIKyrie II
  18. 🔍 38% Kyrie XVKyrie XV
  19. 🔍 38% Kyrie IIBKyrie IIB
  20. 🔍 38% Kyrie II (forma ordinaria)Kyrie II (forma ordinaria)
  21. 🔍 38% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  22. 🔍 38% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  23. 🔍 38% Kyrie XKyrie X
  24. 🔍 37% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  25. 🔍 37% Kyrie IVBKyrie IVB
  26. 🔍 37% Kyrie XVIIIKyrie XVIII
  27. 🔍 37% Kyrie VIKyrie VI
  28. 🔍 37% Kyrie VKyrie V
  29. 🔍 36% Kyrie (Requiem)Kyrie (Requiem)
  30. 🔍 36% Kyrie III BKyrie III B
  31. 🔍 36% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  32. 🔍 36% Kyrie IIIKyrie III
  33. 🔍 36% Lux et origoLux et origo
  34. 🔍 35% Kyrie XKyrie X
  35. 🔍 35% Lux et origoLux et origo
  36. 🔍 35% Lux et origoLux et origo
  37. 🔍 35% Lux et origoLux et origo
  38. 🔍 35% Lux et origoLux et origo
  39. 🔍 35% Kyrie (ad lib.) XKyrie (ad lib.) X
  40. 🔍 35% Kyrie VBKyrie VB
  41. 🔍 34% Lux et origoLux et origo
  42. 🔍 34% Kyrie XVII BKyrie XVII B
  43. 🔍 34% Kyrie XVII BKyrie XVII B
  44. 🔍 34% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  45. 🔍 34% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  46. 🔍 33% Kyrie IVKyrie IV
  47. 🔍 33% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  48. 🔍 33% Kyrie IIIKyrie III
  49. 🔍 33% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  50. 🔍 33% Kyrie Missa RegiaKyrie Missa Regia
  51. 🔍 33% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  52. 🔍 32% Kyrie XIIIKyrie XIII
  53. 🔍 32% Kyrie IXKyrie IX
  54. 🔍 32% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  55. 🔍 32% Kyrie VIII (forma ordinaria)Kyrie VIII (forma ordinaria)
  56. 🔍 32% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  57. 🔍 32% Litaniae Sancti JosephLitaniae Sancti Joseph
  58. 🔍 32% Kyrie XVII AKyrie XVII A
  59. 🔍 32% Litaniae LauretanaeLitaniae Lauretanae
  60. 🔍 32% Kyrie IKyrie I
  61. 🔍 31% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  62. 🔍 31% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  63. 🔍 31% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  64. 🔍 31% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  65. 🔍 31% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime