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