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 IIBKyrie IIB
  2. 🔍 83% Kyrie IVBKyrie IVB
  3. 🔍 82% Kyrie VKyrie V
  4. 🔍 78% Kyrie III BKyrie III B
  5. 🔍 78% Kyrie IIIKyrie III
  6. 🔍 77% Kyrie IIKyrie II
  7. 🔍 77% Kyrie IKyrie I
  8. 🔍 74% Kyrie IX.Kyrie IX.
  9. 🔍 72% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  10. 🔍 72% Kyrie VII.Kyrie VII.
  11. 🔍 71% Kyrie (Requiem)Kyrie (Requiem)
  12. 🔍 70% Kyrie VIII.Kyrie VIII.
  13. 🔍 69% Kyrie VBKyrie VB
  14. 🔍 69% Kyrie IVKyrie IV
  15. 🔍 68% Kyrie XVKyrie XV
  16. 🔍 67% Kyrie XKyrie X
  17. 🔍 63% Kyrie XVIIIKyrie XVIII
  18. 🔍 63% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  19. 🔍 62% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  20. 🔍 62% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  21. 🔍 61% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  22. 🔍 60% Lux et origoLux et origo
  23. 🔍 60% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  24. 🔍 60% Kyrie XVIKyrie XVI
  25. 🔍 60% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  26. 🔍 59% Kyrie (ad lib.) XKyrie (ad lib.) X
  27. 🔍 58% Kyrie XKyrie X
  28. 🔍 58% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  29. 🔍 58% Lux et origoLux et origo
  30. 🔍 58% Lux et origoLux et origo
  31. 🔍 58% Lux et origoLux et origo
  32. 🔍 58% Lux et origoLux et origo
  33. 🔍 58% Lux et origoLux et origo
  34. 🔍 58% Kyrie Missa RegiaKyrie Missa Regia
  35. 🔍 58% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  36. 🔍 56% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  37. 🔍 56% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  38. 🔍 56% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  39. 🔍 56% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  40. 🔍 56% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  41. 🔍 55% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  42. 🔍 55% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  43. 🔍 55% Kyrie Missa RegiaKyrie Missa Regia
  44. 🔍 55% Kyrie VIKyrie VI
  45. 🔍 55% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  46. 🔍 55% Kyrie XVII BKyrie XVII B
  47. 🔍 55% Kyrie XVII BKyrie XVII B
  48. 🔍 55% Kyrie IIIKyrie III
  49. 🔍 54% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  50. 🔍 54% Kyrie IKyrie I
  51. 🔍 54% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  52. 🔍 54% Kyrie IXKyrie IX
  53. 🔍 53% Kyrie VI. (Jesu Redemptor)Kyrie VI. (Jesu Redemptor)
  54. 🔍 53% Kyrie fons bonitatisKyrie fons bonitatis
  55. 🔍 53% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  56. 🔍 52% Kyrie VKyrie V
  57. 🔍 52% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  58. 🔍 52% Kyrie III. (Christe Patris)Kyrie III. (Christe Patris)
  59. 🔍 50% Firmator sancteFirmator sancte
  60. 🔍 50% Kyrie XVII AKyrie XVII A
  61. 🔍 50% Kyrie XIIIKyrie XIII
  62. 🔍 49% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  63. 🔍 49% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  64. 🔍 49% Kyrie XIIIKyrie XIII
  65. 🔍 49% Kyrie XIIKyrie XII