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 23(24)7-10 Psalmus 23(24)7-10
  2. 🔍 43% Beatus vir (Ps. 111, 7a)Beatus vir (Ps. 111, 7a)
  3. 🔍 40% Ps. 117 Confitemini DominoPs. 117 Confitemini Domino
  4. 🔍 39% Psalmus 118Psalmus 118
  5. 🔍 37% Verba meaVerba mea
  6. 🔍 36% Psalmus 97Psalmus 97
  7. 🔍 34% Redemisti nos Domine (Ant)Redemisti nos Domine (Ant)
  8. 🔍 31% Canticum B. Mariae V.Canticum B. Mariae V.
  9. 🔍 30% Confitebor (Ps. 110, 7a Solemn)Confitebor (Ps. 110, 7a Solemn)
  10. 🔍 30% Gloria PatriGloria Patri
  11. 🔍 29% Psalmus 23 1-2 e 7-10Psalmus 23 1-2 e 7-10
  12. 🔍 29% Beati qui lavantBeati qui lavant
  13. 🔍 28% Credidi (Ps. 115, 8c)Credidi (Ps. 115, 8c)
  14. 🔍 27% Ps. 67 Exsurgit Deus ()Ps. 67 Exsurgit Deus ()
  15. 🔍 27% Ps. 33 Benedicam Dominum (for Ascension B)Ps. 33 Benedicam Dominum (for Ascension B)
  16. 🔍 27% Christus datus estChristus datus est
  17. 🔍 27% Tonus IIITonus III
  18. 🔍 27% Beati qui lavantBeati qui lavant
  19. 🔍 27% Beati qui lavantBeati qui lavant
  20. 🔍 27% Beati qui lavantBeati qui lavant
  21. 🔍 27% Christo datus estChristo datus est
  22. 🔍 26% Procedamus in paceProcedamus in pace
  23. 🔍 26% Tonus VIITonus VII
  24. 🔍 26% Psalmus 94Psalmus 94
  25. 🔍 25% Benedictus DominusBenedictus Dominus
  26. 🔍 25% Psalmus 39Psalmus 39
  27. 🔍 24% Psalmus 45Psalmus 45
  28. 🔍 23% Psalmus 77Psalmus 77
  29. 🔍 23% Gloria PatriGloria Patri
  30. 🔍 23% ElevaminiElevamini
  31. 🔍 22% Psalmus 125Psalmus 125
  32. 🔍 22% Psalmus 95Psalmus 95
  33. 🔍 22% Psalmus 24Psalmus 24
  34. 🔍 22% Preces vespertinae (french)Preces vespertinae (french)
  35. 🔍 22% Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)
  36. 🔍 21% Preces vespertinae Initia (french)Preces vespertinae Initia (french)
  37. 🔍 21% Domini est terra (Ps.23 - Textus antiquus)Domini est terra (Ps.23 - Textus antiquus)
  38. 🔍 21% Por suasPor suas
  39. 🔍 21% Por suasPor suas
  40. 🔍 21% Por suasPor suas
  41. 🔍 21% Por suasPor suas
  42. 🔍 21% Por suasPor suas
  43. 🔍 21% Por suasPor suas
  44. 🔍 21% Por suasPor suas
  45. 🔍 21% Por suasPor suas
  46. 🔍 21% Ps. 22 Dominus Pascit mePs. 22 Dominus Pascit me
  47. 🔍 20% Elevamini portaeElevamini portae
  48. 🔍 20% Ps. 23 Domini est terraPs. 23 Domini est terra
  49. 🔍 20% Litaniae Beatae Mariae VirginisLitaniae Beatae Mariae Virginis
  50. 🔍 19% Tollite portasTollite portas
  51. 🔍 19% Aurora surgit lucidaAurora surgit lucida
  52. 🔍 19% Psalmus 2Psalmus 2
  53. 🔍 19% Tollite portasTollite portas
  54. 🔍 19% Elevamini portaeElevamini portae
  55. 🔍 19% Psalmus 18 APsalmus 18 A
  56. 🔍 19% ElevaminiElevamini
  57. 🔍 19% AlleluiaAlleluia
  58. 🔍 18% Psalmus 127Psalmus 127
  59. 🔍 18% Tollite portasTollite portas
  60. 🔍 18% Psalmus 84 APsalmus 84 A
  61. 🔍 18% ElevaminiElevamini
  62. 🔍 18% Laudate Dominum omnes gentes (Psalmus 116)Laudate Dominum omnes gentes (Psalmus 116)
  63. 🔍 18% Psalmus 95Psalmus 95
  64. 🔍 18% Prex eucharisticaPrex eucharistica
  65. 🔍 18% Lauda Jerusalem (Ps.147 - Textus antiquus)Lauda Jerusalem (Ps.147 - Textus antiquus)