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% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  2. 🔍 62% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  3. 🔍 61% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  4. 🔍 60% Kyrie IVBKyrie IVB
  5. 🔍 58% Litaniae LauretanaeLitaniae Lauretanae
  6. 🔍 57% Litaniae Sancti JosephLitaniae Sancti Joseph
  7. 🔍 57% Kyrie IX.Kyrie IX.
  8. 🔍 55% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  9. 🔍 54% Kyrie VII.Kyrie VII.
  10. 🔍 54% Kyrie IIBKyrie IIB
  11. 🔍 54% Kyrie VIII.Kyrie VIII.
  12. 🔍 54% Kyrie IKyrie I
  13. 🔍 53% Kyrie IIKyrie II
  14. 🔍 53% Kyrie XVKyrie XV
  15. 🔍 52% Kyrie (Requiem)Kyrie (Requiem)
  16. 🔍 51% Kyrie IIIKyrie III
  17. 🔍 51% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  18. 🔍 51% Litaniae SS. Cordis JesuLitaniae SS. Cordis Jesu
  19. 🔍 50% Lux et origoLux et origo
  20. 🔍 49% Kyrie VKyrie V
  21. 🔍 49% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  22. 🔍 49% Kyrie XKyrie X
  23. 🔍 49% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  24. 🔍 49% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  25. 🔍 49% Kyrie III BKyrie III B
  26. 🔍 48% Litaniae Beatae Mariae VirginisLitaniae Beatae Mariae Virginis
  27. 🔍 48% Lux et origoLux et origo
  28. 🔍 48% Lux et origoLux et origo
  29. 🔍 48% Lux et origoLux et origo
  30. 🔍 48% Lux et origoLux et origo
  31. 🔍 48% Lux et origoLux et origo
  32. 🔍 48% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  33. 🔍 48% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  34. 🔍 47% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  35. 🔍 47% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  36. 🔍 46% Kyrie VBKyrie VB
  37. 🔍 46% Kyrie IIIKyrie III
  38. 🔍 46% Litaniae CordisLitaniae Cordis
  39. 🔍 46% Kyrie XVIIIKyrie XVIII
  40. 🔍 46% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  41. 🔍 46% Litania 12 Kyrie EleisonLitania 12 Kyrie Eleison
  42. 🔍 46% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  43. 🔍 44% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  44. 🔍 44% Kyrie IVKyrie IV
  45. 🔍 44% Kyrie (ad lib.) XKyrie (ad lib.) X
  46. 🔍 44% Kyrie XVIKyrie XVI
  47. 🔍 43% Kyrie XVII BKyrie XVII B
  48. 🔍 43% Kyrie XVII BKyrie XVII B
  49. 🔍 43% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  50. 🔍 43% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  51. 🔍 43% Kyrie Missa RegiaKyrie Missa Regia
  52. 🔍 43% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  53. 🔍 42% Kyrie fons bonitatisKyrie fons bonitatis
  54. 🔍 42% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  55. 🔍 42% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  56. 🔍 42% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  57. 🔍 42% Kyrie IXKyrie IX
  58. 🔍 42% Kyrie VIKyrie VI
  59. 🔍 42% Kyrie Missa RegiaKyrie Missa Regia
  60. 🔍 42% Litania 01 Kyrie EleisonLitania 01 Kyrie Eleison
  61. 🔍 41% Kyrie XKyrie X
  62. 🔍 41% Firmator sancteFirmator sancte
  63. 🔍 41% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  64. 🔍 40% Kyrie XVII AKyrie XVII A
  65. 🔍 40% Kyrie (ad lib.) VIKyrie (ad lib.) VI