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 IIKyrie II
  2. 🔍 89% Kyrie II (forma ordinaria)Kyrie II (forma ordinaria)
  3. 🔍 58% Ite IIaIte IIa
  4. 🔍 47% Kyrie IVKyrie IV
  5. 🔍 47% Kyrie (ad lib.) XKyrie (ad lib.) X
  6. 🔍 45% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  7. 🔍 44% Kyrie XVIIIKyrie XVIII
  8. 🔍 44% Kyrie XVIKyrie XVI
  9. 🔍 43% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  10. 🔍 42% Kyrie (Requiem)Kyrie (Requiem)
  11. 🔍 40% Kyrie IKyrie I
  12. 🔍 40% Kyrie Missa RegiaKyrie Missa Regia
  13. 🔍 40% Kyrie XKyrie X
  14. 🔍 40% Kyrie VKyrie V
  15. 🔍 40% Kyrie VIII.Kyrie VIII.
  16. 🔍 40% Kyrie XIIKyrie XII
  17. 🔍 39% Kyrie VII.Kyrie VII.
  18. 🔍 39% Kyrie Missa RegiaKyrie Missa Regia
  19. 🔍 39% Kyrie IKyrie I
  20. 🔍 39% Kyrie XVKyrie XV
  21. 🔍 39% Kyrie IX.Kyrie IX.
  22. 🔍 38% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  23. 🔍 38% Kyrie XIIIKyrie XIII
  24. 🔍 38% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  25. 🔍 38% Kyrie IIKyrie II
  26. 🔍 38% Kyrie XVIIKyrie XVII
  27. 🔍 38% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  28. 🔍 37% Kyrie IXKyrie IX
  29. 🔍 37% Kyrie IIBKyrie IIB
  30. 🔍 37% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  31. 🔍 36% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  32. 🔍 36% Kyrie IVBKyrie IVB
  33. 🔍 36% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  34. 🔍 36% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  35. 🔍 35% Kyrie VKyrie V
  36. 🔍 35% Kyrie IIIKyrie III
  37. 🔍 35% Kyrie VKyrie V
  38. 🔍 35% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  39. 🔍 35% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  40. 🔍 35% Kyrie (ad lib.) IX. - O Pater excelseKyrie (ad lib.) IX. - O Pater excelse
  41. 🔍 35% Kyrie III BKyrie III B
  42. 🔍 35% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  43. 🔍 35% Kyrie XKyrie X
  44. 🔍 35% Kyrie XIKyrie XI
  45. 🔍 34% Kyrie IIIKyrie III
  46. 🔍 34% Kyrie IV (forma ordinaria)Kyrie IV (forma ordinaria)
  47. 🔍 34% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  48. 🔍 34% Kyrie VIIKyrie VII
  49. 🔍 33% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  50. 🔍 33% Kyrie fons bonitatisKyrie fons bonitatis
  51. 🔍 33% Kyrie VBKyrie VB
  52. 🔍 33% Kyrie IVKyrie IV
  53. 🔍 33% Kyrie (ad lib.) VII. - Splendor aeterneKyrie (ad lib.) VII. - Splendor aeterne
  54. 🔍 33% Lux et origoLux et origo
  55. 🔍 32% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  56. 🔍 32% Lux et origoLux et origo
  57. 🔍 32% Lux et origoLux et origo
  58. 🔍 32% Lux et origoLux et origo
  59. 🔍 32% Lux et origoLux et origo
  60. 🔍 32% Lux et origoLux et origo
  61. 🔍 32% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  62. 🔍 32% Kyrie XVII CKyrie XVII C
  63. 🔍 32% Kyrie VIKyrie VI
  64. 🔍 32% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  65. 🔍 32% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)