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 XIXKyrie XIX
  2. 🔍 37% Ite XIXIte XIX
  3. 🔍 35% Kyrie XVIIIKyrie XVIII
  4. 🔍 35% Kyrie (Requiem)Kyrie (Requiem)
  5. 🔍 34% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  6. 🔍 33% Kyrie IIKyrie II
  7. 🔍 33% Kyrie IIBKyrie IIB
  8. 🔍 33% Kyrie IX.Kyrie IX.
  9. 🔍 33% Kyrie Missa RegiaKyrie Missa Regia
  10. 🔍 32% Kyrie III BKyrie III B
  11. 🔍 32% Kyrie XVKyrie XV
  12. 🔍 32% Kyrie IVBKyrie IVB
  13. 🔍 32% Kyrie IKyrie I
  14. 🔍 32% Kyrie VII.Kyrie VII.
  15. 🔍 31% Kyrie VIII.Kyrie VIII.
  16. 🔍 31% Kyrie IIIKyrie III
  17. 🔍 31% Kyrie VKyrie V
  18. 🔍 31% Kyrie (ad lib.) XKyrie (ad lib.) X
  19. 🔍 31% Kyrie XVIKyrie XVI
  20. 🔍 30% Kyrie XKyrie X
  21. 🔍 30% Kyrie IVKyrie IV
  22. 🔍 30% Kyrie XIIIKyrie XIII
  23. 🔍 30% Kyrie XKyrie X
  24. 🔍 30% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  25. 🔍 29% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  26. 🔍 29% Kyrie Missa RegiaKyrie Missa Regia
  27. 🔍 29% Kyrie VBKyrie VB
  28. 🔍 29% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  29. 🔍 29% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  30. 🔍 29% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  31. 🔍 28% Lux et origoLux et origo
  32. 🔍 28% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  33. 🔍 28% Lux et origoLux et origo
  34. 🔍 28% Kyrie IKyrie I
  35. 🔍 28% Lux et origoLux et origo
  36. 🔍 28% Lux et origoLux et origo
  37. 🔍 28% Lux et origoLux et origo
  38. 🔍 28% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  39. 🔍 28% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  40. 🔍 28% Kyrie (ad lib.) IX. - O Pater excelseKyrie (ad lib.) IX. - O Pater excelse
  41. 🔍 28% Lux et origoLux et origo
  42. 🔍 27% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  43. 🔍 27% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  44. 🔍 27% Kyrie VKyrie V
  45. 🔍 27% Kyrie IVKyrie IV
  46. 🔍 27% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  47. 🔍 27% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  48. 🔍 27% Kyrie XVII BKyrie XVII B
  49. 🔍 27% Kyrie XVII BKyrie XVII B
  50. 🔍 26% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  51. 🔍 26% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  52. 🔍 26% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  53. 🔍 26% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  54. 🔍 26% Kyrie fons bonitatisKyrie fons bonitatis
  55. 🔍 26% Kyrie XVIIKyrie XVII
  56. 🔍 26% Kyrie VIKyrie VI
  57. 🔍 25% Kyrie IIIKyrie III
  58. 🔍 25% Kyrie XIIKyrie XII
  59. 🔍 25% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  60. 🔍 25% Kyrie (Missa pro defunctis)Kyrie (Missa pro defunctis)
  61. 🔍 25% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  62. 🔍 24% Kyrie XVII AKyrie XVII A
  63. 🔍 24% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  64. 🔍 24% Kyrie IV (forma ordinaria)Kyrie IV (forma ordinaria)
  65. 🔍 24% Kyrie VI. (Jesu Redemptor)Kyrie VI. (Jesu Redemptor)