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 eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  2. 🔍 64% Kyrie XVIIIKyrie XVIII
  3. 🔍 63% Kyrie XVIKyrie XVI
  4. 🔍 60% Kyrie (ad lib.) XKyrie (ad lib.) X
  5. 🔍 59% Kyrie IKyrie I
  6. 🔍 58% Kyrie XKyrie X
  7. 🔍 57% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  8. 🔍 57% Kyrie (Requiem)Kyrie (Requiem)
  9. 🔍 57% Kyrie XVKyrie XV
  10. 🔍 57% Kyrie VII.Kyrie VII.
  11. 🔍 56% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  12. 🔍 56% Kyrie IX.Kyrie IX.
  13. 🔍 56% Kyrie IVKyrie IV
  14. 🔍 56% Kyrie VIII.Kyrie VIII.
  15. 🔍 55% Kyrie XVIIKyrie XVII
  16. 🔍 55% Kyrie Missa RegiaKyrie Missa Regia
  17. 🔍 54% Kyrie IKyrie I
  18. 🔍 54% Kyrie IIBKyrie IIB
  19. 🔍 54% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  20. 🔍 54% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  21. 🔍 53% Kyrie XIIKyrie XII
  22. 🔍 53% Kyrie Missa RegiaKyrie Missa Regia
  23. 🔍 53% Kyrie III BKyrie III B
  24. 🔍 53% Kyrie IIIKyrie III
  25. 🔍 53% Kyrie (Missa pro defunctis)Kyrie (Missa pro defunctis)
  26. 🔍 52% Kyrie IVBKyrie IVB
  27. 🔍 52% Kyrie IIKyrie II
  28. 🔍 52% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  29. 🔍 52% Kyrie XIIIKyrie XIII
  30. 🔍 51% Kyrie IIIKyrie III
  31. 🔍 51% Kyrie VKyrie V
  32. 🔍 50% KyrieKyrie
  33. 🔍 50% Kyrie XKyrie X
  34. 🔍 50% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  35. 🔍 49% Lux et origoLux et origo
  36. 🔍 49% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  37. 🔍 49% Lux et origoLux et origo
  38. 🔍 49% Lux et origoLux et origo
  39. 🔍 49% Lux et origoLux et origo
  40. 🔍 49% Lux et origoLux et origo
  41. 🔍 49% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  42. 🔍 49% Kyrie (ad lib.) IX. - O Pater excelseKyrie (ad lib.) IX. - O Pater excelse
  43. 🔍 49% Lux et origoLux et origo
  44. 🔍 48% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  45. 🔍 48% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  46. 🔍 48% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  47. 🔍 48% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  48. 🔍 47% Kyrie VIIKyrie VII
  49. 🔍 47% Kyrie VBKyrie VB
  50. 🔍 47% Kyrie IXKyrie IX
  51. 🔍 47% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  52. 🔍 46% Kyrie VKyrie V
  53. 🔍 46% Litania 01 Kyrie EleisonLitania 01 Kyrie Eleison
  54. 🔍 46% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  55. 🔍 45% Kyrie VKyrie V
  56. 🔍 45% Kyrie XIKyrie XI
  57. 🔍 45% Kyrie XVII AKyrie XVII A
  58. 🔍 45% Kyrie VIKyrie VI
  59. 🔍 45% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  60. 🔍 45% Kyrie (ad lib.) VIII. - Firmator sancteKyrie (ad lib.) VIII. - Firmator sancte
  61. 🔍 45% Kyrie XVII CKyrie XVII C
  62. 🔍 45% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  63. 🔍 45% Kyrie IIKyrie II
  64. 🔍 44% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  65. 🔍 44% Kyrie IVKyrie IV