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 IV. (Conditor poli)Kyrie IV. (Conditor poli)
  2. 🔍 86% Kyrie IX.Kyrie IX.
  3. 🔍 85% Kyrie VII.Kyrie VII.
  4. 🔍 82% Kyrie VIII.Kyrie VIII.
  5. 🔍 75% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  6. 🔍 72% Kyrie IIBKyrie IIB
  7. 🔍 72% Kyrie IKyrie I
  8. 🔍 71% Lux et origoLux et origo
  9. 🔍 71% Lux et origoLux et origo
  10. 🔍 71% Kyrie IIKyrie II
  11. 🔍 71% Lux et origoLux et origo
  12. 🔍 71% Lux et origoLux et origo
  13. 🔍 71% Lux et origoLux et origo
  14. 🔍 70% Kyrie IVBKyrie IVB
  15. 🔍 69% Kyrie (Requiem)Kyrie (Requiem)
  16. 🔍 69% Kyrie XVKyrie XV
  17. 🔍 68% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  18. 🔍 68% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  19. 🔍 68% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  20. 🔍 68% Kyrie IIIKyrie III
  21. 🔍 67% Kyrie XKyrie X
  22. 🔍 66% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  23. 🔍 66% Kyrie VKyrie V
  24. 🔍 65% Kyrie III BKyrie III B
  25. 🔍 64% Kyrie XVIIIKyrie XVIII
  26. 🔍 64% Kyrie XKyrie X
  27. 🔍 64% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  28. 🔍 64% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  29. 🔍 63% Lux et origoLux et origo
  30. 🔍 62% Kyrie IVKyrie IV
  31. 🔍 62% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  32. 🔍 62% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  33. 🔍 62% Kyrie VI. (Jesu Redemptor)Kyrie VI. (Jesu Redemptor)
  34. 🔍 61% Kyrie VBKyrie VB
  35. 🔍 61% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  36. 🔍 61% Kyrie III. (Christe Patris)Kyrie III. (Christe Patris)
  37. 🔍 61% Kyrie XVIKyrie XVI
  38. 🔍 59% Kyrie (ad lib.) XKyrie (ad lib.) X
  39. 🔍 58% Kyrie Missa RegiaKyrie Missa Regia
  40. 🔍 57% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  41. 🔍 57% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  42. 🔍 56% Kyrie IIIKyrie III
  43. 🔍 56% Kyrie IXKyrie IX
  44. 🔍 56% Kyrie Missa RegiaKyrie Missa Regia
  45. 🔍 56% Kyrie fons bonitatisKyrie fons bonitatis
  46. 🔍 55% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  47. 🔍 55% Kyrie VIKyrie VI
  48. 🔍 55% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  49. 🔍 55% Kyrie XVII BKyrie XVII B
  50. 🔍 55% Kyrie XVII BKyrie XVII B
  51. 🔍 55% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  52. 🔍 55% Kyrie IKyrie I
  53. 🔍 55% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  54. 🔍 54% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  55. 🔍 54% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  56. 🔍 53% Kyrie VKyrie V
  57. 🔍 53% Kyrie XIIIKyrie XIII
  58. 🔍 52% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  59. 🔍 52% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  60. 🔍 52% Firmator sancteFirmator sancte
  61. 🔍 51% Litaniae LauretanaeLitaniae Lauretanae
  62. 🔍 51% Kyrie XIIKyrie XII
  63. 🔍 51% Kyrie XIIIKyrie XIII
  64. 🔍 50% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  65. 🔍 50% Kyrie XVII AKyrie XVII A