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