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