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% Laudate Dominum (Ps.150 - Textus antiquus)Laudate Dominum (Ps.150 - Textus antiquus)
  2. 🔍 68% Laudate DominumLaudate Dominum
  3. 🔍 52% Benedic anima (Ps.103 - Textus antiquus)Benedic anima (Ps.103 - Textus antiquus)
  4. 🔍 50% Deus judicium (Ps.71 - Textus antiquus)Deus judicium (Ps.71 - Textus antiquus)
  5. 🔍 46% Deus in adjutorium (Ps.69 - Textus antiquus)Deus in adjutorium (Ps.69 - Textus antiquus)
  6. 🔍 44% Deus Deus meus (Ps. 21 - Textus antiquus)Deus Deus meus (Ps. 21 - Textus antiquus)
  7. 🔍 39% Dominus regit me (Ps.22 - Textus antiquus)Dominus regit me (Ps.22 - Textus antiquus)
  8. 🔍 35% Domini est terra (Ps.23 - Textus antiquus)Domini est terra (Ps.23 - Textus antiquus)
  9. 🔍 35% Omnes gentes (Ps.46 - Textus antiquus)Omnes gentes (Ps.46 - Textus antiquus)
  10. 🔍 34% Lauda Jerusalem (Ps.147 - Textus antiquus)Lauda Jerusalem (Ps.147 - Textus antiquus)
  11. 🔍 31% Psalmus 2Psalmus 2
  12. 🔍 30% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  13. 🔍 30% Laudate DeumLaudate Deum
  14. 🔍 29% AlleluiaAlleluia
  15. 🔍 29% Laudate Deum omnes AngeliLaudate Deum omnes Angeli
  16. 🔍 29% Laudate Dominum secundumLaudate Dominum secundum
  17. 🔍 28% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  18. 🔍 27% Confitebor Tibi (Ps. 110, 2D)Confitebor Tibi (Ps. 110, 2D)
  19. 🔍 27% Psalmus 18 APsalmus 18 A
  20. 🔍 26% In cymbalisIn cymbalis
  21. 🔍 25% Ps. 117 Confitemini Domino (Dominica Resurrectionis)Ps. 117 Confitemini Domino (Dominica Resurrectionis)
  22. 🔍 25% Laudate... secundumLaudate... secundum
  23. 🔍 25% Laudate Dominum quoniamLaudate Dominum quoniam
  24. 🔍 24% Laudate DominumLaudate Dominum
  25. 🔍 24% In sanctis ejusIn sanctis ejus
  26. 🔍 24% De profundis (Ps. 129, 4A*)De profundis (Ps. 129, 4A*)
  27. 🔍 24% Beatus vir (Ps. 111, 7a)Beatus vir (Ps. 111, 7a)
  28. 🔍 24% Adoremus Ps. Laudate Dominum. IIIAdoremus Ps. Laudate Dominum. III
  29. 🔍 24% Laudate DominumLaudate Dominum
  30. 🔍 23% Laudate... DominiLaudate... Domini
  31. 🔍 23% Laudate... quoniam IILaudate... quoniam II
  32. 🔍 23% Laudate Dominum omnes gentes (Psalmus 116)Laudate Dominum omnes gentes (Psalmus 116)
  33. 🔍 23% Laudate DominumLaudate Dominum
  34. 🔍 23% Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)
  35. 🔍 23% Laudate Dominum omnesLaudate Dominum omnes
  36. 🔍 23% Psalmus 84Psalmus 84
  37. 🔍 23% Laudate Dominum de caelisLaudate Dominum de caelis
  38. 🔍 22% Laudate Dominum quiaLaudate Dominum quia
  39. 🔍 22% Laudate... omnes AngeliLaudate... omnes Angeli
  40. 🔍 22% Laudate Dominum omnes gentes (Ps.116 - Textus antiquus)Laudate Dominum omnes gentes (Ps.116 - Textus antiquus)
  41. 🔍 22% LaudateLaudate
  42. 🔍 22% Laudate... de caelisLaudate... de caelis
  43. 🔍 22% Laudate Dominum de Coelis (148)Laudate Dominum de Coelis (148)
  44. 🔍 22% Qui timet DominumQui timet Dominum
  45. 🔍 22% Loquebar... Ps. LaudateLoquebar... Ps. Laudate
  46. 🔍 22% Laudate nomen DominiLaudate nomen Domini
  47. 🔍 22% In excelsis laudateIn excelsis laudate
  48. 🔍 21% In cymbalisIn cymbalis
  49. 🔍 21% Laudate... omnes AngeliLaudate... omnes Angeli
  50. 🔍 21% Laudate DominumLaudate Dominum
  51. 🔍 21% Emisi vosEmisi vos
  52. 🔍 21% Minuisti eumMinuisti eum
  53. 🔍 21% Alleluia laudate DominumAlleluia laudate Dominum
  54. 🔍 21% Laudate Dominum secundumLaudate Dominum secundum
  55. 🔍 21% Laudate... omnesLaudate... omnes
  56. 🔍 20% Adoremus Ps. Laudate Dominum. IIAdoremus Ps. Laudate Dominum. II
  57. 🔍 20% Ps. 23 Domini est terraPs. 23 Domini est terra
  58. 🔍 20% Laudate Dominum qui sanatLaudate Dominum qui sanat
  59. 🔍 20% Laudate DominumLaudate Dominum
  60. 🔍 20% Adoremus in aeternumAdoremus in aeternum
  61. 🔍 20% Laudate Dominum omnes gentesLaudate Dominum omnes gentes
  62. 🔍 20% Loquebar... Ps. LaudateLoquebar... Ps. Laudate
  63. 🔍 20% Laudate DominumLaudate Dominum
  64. 🔍 19% Laudate Dominum omnes gentesLaudate Dominum omnes gentes
  65. 🔍 19% Psalmus 95Psalmus 95