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