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 eleison (tonus simplex)Kyrie eleison (tonus simplex)
  2. 🔍 62% Kyrie eleisonKyrie eleison
  3. 🔍 58% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  4. 🔍 52% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  5. 🔍 48% Lux et origoLux et origo
  6. 🔍 48% Lux et origoLux et origo
  7. 🔍 48% Lux et origoLux et origo
  8. 🔍 48% Lux et origoLux et origo
  9. 🔍 48% Lux et origoLux et origo
  10. 🔍 47% Kyrie IX.Kyrie IX.
  11. 🔍 46% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  12. 🔍 45% Kyrie eleison (tonus festivus)Kyrie eleison (tonus festivus)
  13. 🔍 45% Litaniae Beatae Mariae VirginisLitaniae Beatae Mariae Virginis
  14. 🔍 45% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  15. 🔍 45% Kyrie VIII.Kyrie VIII.
  16. 🔍 45% Kyrie VKyrie V
  17. 🔍 45% Kyrie XVKyrie XV
  18. 🔍 45% Kyrie eleison (tonus ferialis)Kyrie eleison (tonus ferialis)
  19. 🔍 45% Litania 01 Kyrie EleisonLitania 01 Kyrie Eleison
  20. 🔍 45% Kyrie XVIIIKyrie XVIII
  21. 🔍 44% Kyrie VII.Kyrie VII.
  22. 🔍 43% Kyrie IIBKyrie IIB
  23. 🔍 43% Lux et origoLux et origo
  24. 🔍 43% Litaniae LauretanaeLitaniae Lauretanae
  25. 🔍 43% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  26. 🔍 43% Kyrie IIKyrie II
  27. 🔍 43% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  28. 🔍 43% Kyrie VBKyrie VB
  29. 🔍 43% Kyrie IKyrie I
  30. 🔍 43% Litaniae Sancti JosephLitaniae Sancti Joseph
  31. 🔍 42% Kyrie XVIKyrie XVI
  32. 🔍 42% Kyrie (ad lib.) XKyrie (ad lib.) X
  33. 🔍 42% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  34. 🔍 42% Kyrie IVBKyrie IVB
  35. 🔍 42% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  36. 🔍 42% Kyrie XKyrie X
  37. 🔍 41% KyrieKyrie
  38. 🔍 41% Kyrie III BKyrie III B
  39. 🔍 41% Kyrie Missa RegiaKyrie Missa Regia
  40. 🔍 41% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  41. 🔍 40% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  42. 🔍 40% Kyrie IIIKyrie III
  43. 🔍 40% Kyrie (Missa pro defunctis)Kyrie (Missa pro defunctis)
  44. 🔍 40% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  45. 🔍 40% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  46. 🔍 40% Kyrie XKyrie X
  47. 🔍 40% Kyrie (Requiem)Kyrie (Requiem)
  48. 🔍 39% Kyrie Missa RegiaKyrie Missa Regia
  49. 🔍 39% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  50. 🔍 39% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  51. 🔍 39% KyrieKyrie
  52. 🔍 39% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  53. 🔍 39% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  54. 🔍 39% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  55. 🔍 39% Kyrie IKyrie I
  56. 🔍 38% Kyrie fons bonitatisKyrie fons bonitatis
  57. 🔍 38% Kyrie XVII BKyrie XVII B
  58. 🔍 38% Kyrie XVII BKyrie XVII B
  59. 🔍 38% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  60. 🔍 37% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  61. 🔍 37% Kyrie VKyrie V
  62. 🔍 36% Kyrie IIIKyrie III
  63. 🔍 35% Kyrie VIKyrie VI
  64. 🔍 35% Firmator sancteFirmator sancte
  65. 🔍 35% Kyrie IXKyrie IX