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