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: 2025-12-20. 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 XVIIIKyrie XVIII
  2. 🔍 75% Kyrie IIKyrie II
  3. 🔍 74% Kyrie XVKyrie XV
  4. 🔍 72% Kyrie XVIKyrie XVI
  5. 🔍 70% Kyrie (Requiem)Kyrie (Requiem)
  6. 🔍 69% Kyrie XKyrie X
  7. 🔍 65% Kyrie IKyrie I
  8. 🔍 64% Kyrie IX.Kyrie IX.
  9. 🔍 64% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  10. 🔍 64% Kyrie (ad lib.) XKyrie (ad lib.) X
  11. 🔍 64% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  12. 🔍 63% Kyrie IIBKyrie IIB
  13. 🔍 62% Kyrie IKyrie I
  14. 🔍 62% Kyrie VII.Kyrie VII.
  15. 🔍 61% Kyrie IVBKyrie IVB
  16. 🔍 61% Kyrie VIII.Kyrie VIII.
  17. 🔍 60% Kyrie VKyrie V
  18. 🔍 59% Kyrie Missa RegiaKyrie Missa Regia
  19. 🔍 59% Kyrie IIIKyrie III
  20. 🔍 59% Kyrie III BKyrie III B
  21. 🔍 59% Kyrie XKyrie X
  22. 🔍 58% Kyrie XIIKyrie XII
  23. 🔍 58% Kyrie IVKyrie IV
  24. 🔍 58% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  25. 🔍 58% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  26. 🔍 57% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  27. 🔍 57% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  28. 🔍 57% Kyrie Missa RegiaKyrie Missa Regia
  29. 🔍 57% Kyrie XIIIKyrie XIII
  30. 🔍 56% Kyrie XVIIKyrie XVII
  31. 🔍 56% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  32. 🔍 56% Kyrie VBKyrie VB
  33. 🔍 55% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  34. 🔍 55% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  35. 🔍 55% Lux et origoLux et origo
  36. 🔍 55% Lux et origoLux et origo
  37. 🔍 55% Lux et origoLux et origo
  38. 🔍 55% Lux et origoLux et origo
  39. 🔍 55% Lux et origoLux et origo
  40. 🔍 55% Lux et origoLux et origo
  41. 🔍 55% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  42. 🔍 54% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  43. 🔍 53% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  44. 🔍 53% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  45. 🔍 53% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  46. 🔍 53% Kyrie IIIKyrie III
  47. 🔍 53% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  48. 🔍 53% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  49. 🔍 53% Kyrie (ad lib.) IX. - O Pater excelseKyrie (ad lib.) IX. - O Pater excelse
  50. 🔍 53% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  51. 🔍 53% Kyrie VKyrie V
  52. 🔍 53% Kyrie IXKyrie IX
  53. 🔍 52% Litaniae LauretanaeLitaniae Lauretanae
  54. 🔍 51% Kyrie IVKyrie IV
  55. 🔍 51% Kyrie VIKyrie VI
  56. 🔍 51% Kyrie XIKyrie XI
  57. 🔍 50% Litaniae Sancti JosephLitaniae Sancti Joseph
  58. 🔍 50% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  59. 🔍 50% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  60. 🔍 50% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  61. 🔍 49% Kyrie (ad lib.) VIII. - Firmator sancteKyrie (ad lib.) VIII. - Firmator sancte
  62. 🔍 49% Litania 01 Kyrie EleisonLitania 01 Kyrie Eleison
  63. 🔍 49% Kyrie XVII BKyrie XVII B
  64. 🔍 49% Kyrie XVII BKyrie XVII B
  65. 🔍 49% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)