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% Psalmus 84 APsalmus 84 A
  2. 🔍 65% Psalmus 127Psalmus 127
  3. 🔍 60% Psalmus 24Psalmus 24
  4. 🔍 54% Psalmus 71Psalmus 71
  5. 🔍 53% Psalmus 125Psalmus 125
  6. 🔍 47% Psalmus 24Psalmus 24
  7. 🔍 42% Canticum IsaiaeCanticum Isaiae
  8. 🔍 39% Toni Evangelii CToni Evangelii C
  9. 🔍 39% Psalmus alleluiaticus E *Psalmus alleluiaticus E *
  10. 🔍 38% Psalmus 2Psalmus 2
  11. 🔍 37% AlleluiaAlleluia
  12. 🔍 36% Psalmus 118Psalmus 118
  13. 🔍 36% Preces vespertinae (french)Preces vespertinae (french)
  14. 🔍 36% Toni Evangelii BToni Evangelii B
  15. 🔍 35% Gloria PatriGloria Patri
  16. 🔍 35% Preces vespertinae Initia (french)Preces vespertinae Initia (french)
  17. 🔍 34% Psalmus 95Psalmus 95
  18. 🔍 34% MulierMulier
  19. 🔍 33% Psalmus 118Psalmus 118
  20. 🔍 32% Psalm 109 (Dixit Dominus) (Tone 1.f)Psalm 109 (Dixit Dominus) (Tone 1.f)
  21. 🔍 32% Psalmus 94Psalmus 94
  22. 🔍 31% Psalmus 39Psalmus 39
  23. 🔍 31% Psalmus 84Psalmus 84
  24. 🔍 31% Dixit Dominus (Ps. 109, 1g)Dixit Dominus (Ps. 109, 1g)
  25. 🔍 31% Complacuisti (Simple)Complacuisti (Simple)
  26. 🔍 30% Psalmus 77Psalmus 77
  27. 🔍 30% Ps. 23 Domini est terraPs. 23 Domini est terra
  28. 🔍 29% Domini est terra (Ps.23 - Textus antiquus)Domini est terra (Ps.23 - Textus antiquus)
  29. 🔍 29% Tonus 2Tonus 2
  30. 🔍 28% Psalmus 97Psalmus 97
  31. 🔍 28% Psalmus 95Psalmus 95
  32. 🔍 28% Omnes gentes (Ps.46 - Textus antiquus)Omnes gentes (Ps.46 - Textus antiquus)
  33. 🔍 28% Psalmus 95Psalmus 95
  34. 🔍 28% Omnes gentes, plaudite manibus (nova lat.)Omnes gentes, plaudite manibus (nova lat.)
  35. 🔍 28% Psalmus 45Psalmus 45
  36. 🔍 28% Domini est terra (Ps. 23 - novam int.lat.)Domini est terra (Ps. 23 - novam int.lat.)
  37. 🔍 27% Por suasPor suas
  38. 🔍 27% Por suasPor suas
  39. 🔍 27% Por suasPor suas
  40. 🔍 27% Por suasPor suas
  41. 🔍 27% Por suasPor suas
  42. 🔍 27% Por suasPor suas
  43. 🔍 27% Por suasPor suas
  44. 🔍 27% Por suasPor suas
  45. 🔍 26% Prex eucharisticaPrex eucharistica
  46. 🔍 26% AlleluiaAlleluia
  47. 🔍 26% Cantate DominoCantate Domino
  48. 🔍 25% Psalmus 18 APsalmus 18 A
  49. 🔍 25% Psalmus 84Psalmus 84
  50. 🔍 24% AlleluiaAlleluia
  51. 🔍 24% Psalmus 24Psalmus 24
  52. 🔍 23% Confitebor Tibi (Ps. 110, 2D)Confitebor Tibi (Ps. 110, 2D)
  53. 🔍 23% Beatus vir (Ps. 111, 7a)Beatus vir (Ps. 111, 7a)
  54. 🔍 23% Ave MariaAve Maria
  55. 🔍 22% Psalmus Responsorius C 2 aPsalmus Responsorius C 2 a
  56. 🔍 22% Ps. 77 Attendite (for Ascension A)Ps. 77 Attendite (for Ascension A)
  57. 🔍 21% AlleluiaAlleluia
  58. 🔍 21% Ave MariaAve Maria
  59. 🔍 20% AlleluiaAlleluia
  60. 🔍 20% Ave Virgo MariaAve Virgo Maria
  61. 🔍 20% Ecce ancilla DominiEcce ancilla Domini
  62. 🔍 20% Exsurgat DeusExsurgat Deus
  63. 🔍 20% Laetatus sum in hisLaetatus sum in his
  64. 🔍 19% AlleluiaAlleluia
  65. 🔍 19% Laudate Dominum omnes gentes (Psalmus 116)Laudate Dominum omnes gentes (Psalmus 116)