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: 2025-12-19. 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 III. (Christe Patris)Kyrie III. (Christe Patris)
  2. 🔍 64% Kyrie VII.Kyrie VII.
  3. 🔍 62% Kyrie IX.Kyrie IX.
  4. 🔍 61% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  5. 🔍 58% Kyrie VIII.Kyrie VIII.
  6. 🔍 52% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  7. 🔍 52% Kyrie IIBKyrie IIB
  8. 🔍 51% Kyrie IKyrie I
  9. 🔍 50% Kyrie IIKyrie II
  10. 🔍 50% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  11. 🔍 50% Kyrie IVBKyrie IVB
  12. 🔍 50% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  13. 🔍 50% Kyrie XKyrie X
  14. 🔍 49% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  15. 🔍 49% Lux et origoLux et origo
  16. 🔍 49% Kyrie XVKyrie XV
  17. 🔍 49% Lux et origoLux et origo
  18. 🔍 49% Lux et origoLux et origo
  19. 🔍 49% Lux et origoLux et origo
  20. 🔍 49% Lux et origoLux et origo
  21. 🔍 49% Kyrie (Requiem)Kyrie (Requiem)
  22. 🔍 49% Kyrie IIIKyrie III
  23. 🔍 48% Kyrie III BKyrie III B
  24. 🔍 47% Kyrie VKyrie V
  25. 🔍 47% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  26. 🔍 47% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  27. 🔍 46% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  28. 🔍 46% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  29. 🔍 45% Kyrie XKyrie X
  30. 🔍 44% Kyrie XVIIIKyrie XVIII
  31. 🔍 44% Kyrie VI. (Jesu Redemptor)Kyrie VI. (Jesu Redemptor)
  32. 🔍 44% Kyrie VBKyrie VB
  33. 🔍 43% Lux et origoLux et origo
  34. 🔍 43% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  35. 🔍 43% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  36. 🔍 43% Kyrie XVIKyrie XVI
  37. 🔍 42% Kyrie (ad lib.) XKyrie (ad lib.) X
  38. 🔍 42% Kyrie IVKyrie IV
  39. 🔍 42% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  40. 🔍 41% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  41. 🔍 41% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  42. 🔍 41% Kyrie Missa RegiaKyrie Missa Regia
  43. 🔍 41% Kyrie Missa RegiaKyrie Missa Regia
  44. 🔍 41% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  45. 🔍 40% Kyrie IIIKyrie III
  46. 🔍 40% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  47. 🔍 40% Kyrie fons bonitatisKyrie fons bonitatis
  48. 🔍 40% Kyrie VIKyrie VI
  49. 🔍 39% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  50. 🔍 39% Kyrie IXKyrie IX
  51. 🔍 39% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  52. 🔍 39% Kyrie XVII BKyrie XVII B
  53. 🔍 39% Kyrie XVII BKyrie XVII B
  54. 🔍 39% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  55. 🔍 38% Kyrie IKyrie I
  56. 🔍 38% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  57. 🔍 37% Kyrie VKyrie V
  58. 🔍 37% Kyrie XIIIKyrie XIII
  59. 🔍 37% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  60. 🔍 36% Litaniae LauretanaeLitaniae Lauretanae
  61. 🔍 36% Kyrie XVII AKyrie XVII A
  62. 🔍 36% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  63. 🔍 36% Firmator sancteFirmator sancte
  64. 🔍 35% Kyrie XIIIKyrie XIII
  65. 🔍 35% Litaniae Sancti JosephLitaniae Sancti Joseph