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% Lux et origoLux et origo
  2. 🔍 100% Lux et origoLux et origo
  3. 🔍 100% Lux et origoLux et origo
  4. 🔍 100% Lux et origoLux et origo
  5. 🔍 100% Lux et origoLux et origo
  6. 🔍 82% Lux et origoLux et origo
  7. 🔍 72% Kyrie IX.Kyrie IX.
  8. 🔍 71% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  9. 🔍 70% Kyrie VIII.Kyrie VIII.
  10. 🔍 69% Kyrie VII.Kyrie VII.
  11. 🔍 65% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  12. 🔍 63% Kyrie IKyrie I
  13. 🔍 62% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  14. 🔍 60% Kyrie XVKyrie XV
  15. 🔍 58% Kyrie II. (Rex Magne)Kyrie II. (Rex Magne)
  16. 🔍 58% Kyrie IIBKyrie IIB
  17. 🔍 58% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  18. 🔍 57% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  19. 🔍 57% Kyrie IIKyrie II
  20. 🔍 57% Kyrie IKyrie I
  21. 🔍 57% Kyrie XKyrie X
  22. 🔍 56% Kyrie XVIKyrie XVI
  23. 🔍 56% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  24. 🔍 56% Kyrie IVBKyrie IVB
  25. 🔍 55% Kyrie I. (Deus miserator)Kyrie I. (Deus miserator)
  26. 🔍 55% Kyrie (Requiem)Kyrie (Requiem)
  27. 🔍 55% Kyrie XVIIIKyrie XVIII
  28. 🔍 54% Kyrie V. (Deus solus et immensus)Kyrie V. (Deus solus et immensus)
  29. 🔍 54% Kyrie III BKyrie III B
  30. 🔍 54% Kyrie IIIKyrie III
  31. 🔍 54% Kyrie II. (Rex Magne) (f3 clef)Kyrie II. (Rex Magne) (f3 clef)
  32. 🔍 54% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  33. 🔍 53% Kyrie XKyrie X
  34. 🔍 53% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  35. 🔍 53% Kyrie VKyrie V
  36. 🔍 52% Kyrie (ad lib.) XKyrie (ad lib.) X
  37. 🔍 51% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  38. 🔍 51% Kyrie Missa RegiaKyrie Missa Regia
  39. 🔍 51% Kyrie fons bonitatisKyrie fons bonitatis
  40. 🔍 51% Firmator sancteFirmator sancte
  41. 🔍 51% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  42. 🔍 50% Kyrie IIIKyrie III
  43. 🔍 50% Kyrie VBKyrie VB
  44. 🔍 50% Litaniae LauretanaeLitaniae Lauretanae
  45. 🔍 50% KyrieKyrie
  46. 🔍 50% Kyrie (ad lib.) IV. - Kyrie altissimeKyrie (ad lib.) IV. - Kyrie altissime
  47. 🔍 50% Kyrie VI. (Jesu Redemptor)Kyrie VI. (Jesu Redemptor)
  48. 🔍 49% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  49. 🔍 49% Kyrie III. (Christe Patris)Kyrie III. (Christe Patris)
  50. 🔍 49% Litaniae Sancti JosephLitaniae Sancti Joseph
  51. 🔍 49% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  52. 🔍 49% Kyrie Missa RegiaKyrie Missa Regia
  53. 🔍 48% Kyrie IXKyrie IX
  54. 🔍 48% Kyrie IVKyrie IV
  55. 🔍 48% Kyrie VIKyrie VI
  56. 🔍 48% Kyrie eleison (tonus simplex)Kyrie eleison (tonus simplex)
  57. 🔍 48% Supplicatio litaniae (tonus litaniae Sacr. Cor.)Supplicatio litaniae (tonus litaniae Sacr. Cor.)
  58. 🔍 48% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  59. 🔍 48% Kyrie (ad lib.) VIKyrie (ad lib.) VI
  60. 🔍 47% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  61. 🔍 47% Kyrie XVII BKyrie XVII B
  62. 🔍 47% Kyrie XVII BKyrie XVII B
  63. 🔍 47% Litaniae (in Vigil. pasch.)Litaniae (in Vigil. pasch.)
  64. 🔍 46% Litaniae Beatae Mariae VirginisLitaniae Beatae Mariae Virginis
  65. 🔍 46% Kyrie XVII AKyrie XVII A