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