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 XVKyrie XV
  2. 🔍 76% Kyrie XKyrie X
  3. 🔍 74% Kyrie XVIIIKyrie XVIII
  4. 🔍 71% Kyrie IX.Kyrie IX.
  5. 🔍 70% Kyrie VII.Kyrie VII.
  6. 🔍 69% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  7. 🔍 68% Kyrie VIII.Kyrie VIII.
  8. 🔍 68% Kyrie IIBKyrie IIB
  9. 🔍 67% Kyrie IIKyrie II
  10. 🔍 67% Kyrie IKyrie I
  11. 🔍 66% Kyrie IVBKyrie IVB
  12. 🔍 65% Kyrie (Requiem)Kyrie (Requiem)
  13. 🔍 63% Kyrie IIIKyrie III
  14. 🔍 63% Kyrie XVIKyrie XVI
  15. 🔍 63% Lux et origoLux et origo
  16. 🔍 63% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  17. 🔍 62% Kyrie VKyrie V
  18. 🔍 62% Kyrie III BKyrie III B
  19. 🔍 61% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  20. 🔍 61% Lux et origoLux et origo
  21. 🔍 60% Lux et origoLux et origo
  22. 🔍 60% Lux et origoLux et origo
  23. 🔍 60% Lux et origoLux et origo
  24. 🔍 60% Lux et origoLux et origo
  25. 🔍 60% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  26. 🔍 59% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  27. 🔍 59% Kyrie (ad lib.) XKyrie (ad lib.) X
  28. 🔍 59% Kyrie VBKyrie VB
  29. 🔍 58% Kyrie IIIKyrie III
  30. 🔍 58% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  31. 🔍 58% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  32. 🔍 58% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  33. 🔍 58% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  34. 🔍 57% Kyrie IKyrie I
  35. 🔍 57% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  36. 🔍 57% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  37. 🔍 55% Kyrie XKyrie X
  38. 🔍 55% Kyrie Missa RegiaKyrie Missa Regia
  39. 🔍 55% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  40. 🔍 55% Kyrie IVKyrie IV
  41. 🔍 55% Kyrie IXKyrie IX
  42. 🔍 55% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  43. 🔍 54% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  44. 🔍 54% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  45. 🔍 54% Kyrie Missa RegiaKyrie Missa Regia
  46. 🔍 54% Litaniae LauretanaeLitaniae Lauretanae
  47. 🔍 54% Kyrie XVII BKyrie XVII B
  48. 🔍 54% Kyrie XVII BKyrie XVII B
  49. 🔍 53% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  50. 🔍 53% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  51. 🔍 53% Kyrie VIKyrie VI
  52. 🔍 53% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  53. 🔍 53% Kyrie XVIIKyrie XVII
  54. 🔍 53% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  55. 🔍 52% Kyrie fons bonitatisKyrie fons bonitatis
  56. 🔍 52% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  57. 🔍 52% Litaniae Sancti JosephLitaniae Sancti Joseph
  58. 🔍 51% Kyrie XIIIKyrie XIII
  59. 🔍 51% Kyrie XIIKyrie XII
  60. 🔍 51% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  61. 🔍 51% Firmator sancteFirmator sancte
  62. 🔍 51% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  63. 🔍 50% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  64. 🔍 50% Kyrie IVKyrie IV
  65. 🔍 50% Kyrie VI. (Jesu Redemptor)Kyrie VI. (Jesu Redemptor)