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 eleison (tonus ferialis)Kyrie eleison (tonus ferialis)
  2. 🔍 92% Kyrie eleison (tonus festivus)Kyrie eleison (tonus festivus)
  3. 🔍 64% Orbis factorOrbis factor
  4. 🔍 60% Kyrie VIII - Profestis diebusKyrie VIII - Profestis diebus
  5. 🔍 59% Kyrie VKyrie V
  6. 🔍 53% Kyrie IIIKyrie III
  7. 🔍 53% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  8. 🔍 53% Kyrie IKyrie I
  9. 🔍 51% Kyrie IVKyrie IV
  10. 🔍 48% Kyrie VIKyrie VI
  11. 🔍 47% Kyrie eleisonKyrie eleison
  12. 🔍 46% Kyrie IIKyrie II
  13. 🔍 45% Kyrie eleison (tonus simplex)Kyrie eleison (tonus simplex)
  14. 🔍 39% Kyrie (Supplicatio Litaniae)Kyrie (Supplicatio Litaniae)
  15. 🔍 36% KyrieKyrie
  16. 🔍 35% Kyrie eleison (in Miss. def.)Kyrie eleison (in Miss. def.)
  17. 🔍 34% KyrieKyrie
  18. 🔍 33% Kyrie XVIII B (Missa pro defunctis)Kyrie XVIII B (Missa pro defunctis)
  19. 🔍 32% Lux et origoLux et origo
  20. 🔍 32% Lux et origoLux et origo
  21. 🔍 32% Lux et origoLux et origo
  22. 🔍 32% Lux et origoLux et origo
  23. 🔍 32% Lux et origoLux et origo
  24. 🔍 31% Kyrie VIII.Kyrie VIII.
  25. 🔍 31% Kyrie VII.Kyrie VII.
  26. 🔍 31% Kyrie IX.Kyrie IX.
  27. 🔍 30% Kyrie XVIIIKyrie XVIII
  28. 🔍 30% Kyrie Orbis factorKyrie Orbis factor
  29. 🔍 29% Kyrie IV. (Conditor poli)Kyrie IV. (Conditor poli)
  30. 🔍 29% Kyrie XKyrie X
  31. 🔍 29% Kyrie XVKyrie XV
  32. 🔍 29% Kyrie (Missa pro defunctis)Kyrie (Missa pro defunctis)
  33. 🔍 29% Kyrie (ad lib.) X / XI AKyrie (ad lib.) X / XI A
  34. 🔍 28% Kyrie XVI (forma ordinaria)Kyrie XVI (forma ordinaria)
  35. 🔍 28% Kyrie XVIKyrie XVI
  36. 🔍 28% Kyrie (ad lib.) XKyrie (ad lib.) X
  37. 🔍 28% Kyrie IIBKyrie IIB
  38. 🔍 28% Kyrie (ad lib.) V / I BKyrie (ad lib.) V / I B
  39. 🔍 28% Litaniae Beatae Mariae VirginisLitaniae Beatae Mariae Virginis
  40. 🔍 28% Litania 01 Kyrie EleisonLitania 01 Kyrie Eleison
  41. 🔍 27% Kyrie XKyrie X
  42. 🔍 27% Kyrie IKyrie I
  43. 🔍 27% Kyrie Missa RegiaKyrie Missa Regia
  44. 🔍 27% Litaniae Lauretanae (Tonus alter)Litaniae Lauretanae (Tonus alter)
  45. 🔍 27% Kyrie IVBKyrie IVB
  46. 🔍 27% Lux et origoLux et origo
  47. 🔍 27% Kyrie (Missa Regia I)Kyrie (Missa Regia I)
  48. 🔍 27% Kyrie I (forma ordinaria)Kyrie I (forma ordinaria)
  49. 🔍 27% Kyrie (Missa secundi Toni)Kyrie (Missa secundi Toni)
  50. 🔍 27% Kyrie (ad lib.) XI. - Kyrie SalveKyrie (ad lib.) XI. - Kyrie Salve
  51. 🔍 26% Kyrie XVII AKyrie XVII A
  52. 🔍 26% Kyrie VKyrie V
  53. 🔍 26% Kyrie IIKyrie II
  54. 🔍 26% Kyrie Missa RegiaKyrie Missa Regia
  55. 🔍 26% Kyrie (ad lib.) III / III AKyrie (ad lib.) III / III A
  56. 🔍 26% Kyrie (Missa Votiva BMV)Kyrie (Missa Votiva BMV)
  57. 🔍 26% Kyrie IKyrie I
  58. 🔍 26% Kyrie III BKyrie III B
  59. 🔍 26% Kyrie IIIKyrie III
  60. 🔍 26% Kyrie (ad lib.) VI / I AKyrie (ad lib.) VI / I A
  61. 🔍 25% Kyrie XVII BKyrie XVII B
  62. 🔍 25% Kyrie XVII BKyrie XVII B
  63. 🔍 25% Kyrie (Requiem)Kyrie (Requiem)
  64. 🔍 25% Kyrie (ad lib.) II. - Summe DeusKyrie (ad lib.) II. - Summe Deus
  65. 🔍 25% Kyrie VII (forma ordinaria)Kyrie VII (forma ordinaria)