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 DominumLaudate Dominum
  2. 🔍 68% Laudate Dominum (Ps.150 - Textus antiquus)Laudate Dominum (Ps.150 - Textus antiquus)
  3. 🔍 34% Benedic anima (Ps.103 - Textus antiquus)Benedic anima (Ps.103 - Textus antiquus)
  4. 🔍 33% Deus judicium (Ps.71 - Textus antiquus)Deus judicium (Ps.71 - Textus antiquus)
  5. 🔍 32% Deus in adjutorium (Ps.69 - Textus antiquus)Deus in adjutorium (Ps.69 - Textus antiquus)
  6. 🔍 31% Laudate DeumLaudate Deum
  7. 🔍 31% Deus Deus meus (Ps. 21 - Textus antiquus)Deus Deus meus (Ps. 21 - Textus antiquus)
  8. 🔍 31% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  9. 🔍 30% Laudate Deum omnes AngeliLaudate Deum omnes Angeli
  10. 🔍 30% Laudate Dominum secundumLaudate Dominum secundum
  11. 🔍 30% Alleluia. (Paschal Vigil at Lauds)Alleluia. (Paschal Vigil at Lauds)
  12. 🔍 29% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  13. 🔍 28% Psalmus 18 APsalmus 18 A
  14. 🔍 27% Psalmus 2Psalmus 2
  15. 🔍 26% Procedamus in paceProcedamus in pace
  16. 🔍 26% Laudate... secundumLaudate... secundum
  17. 🔍 25% Psalmus 84Psalmus 84
  18. 🔍 25% Laudate Dominum quoniamLaudate Dominum quoniam
  19. 🔍 25% In nomine Christi. Amen.In nomine Christi. Amen.
  20. 🔍 25% Laudate DominumLaudate Dominum
  21. 🔍 24% Litania 03 Sancta MariaLitania 03 Sancta Maria
  22. 🔍 24% Laudate... omnes AngeliLaudate... omnes Angeli
  23. 🔍 24% Laudate DominumLaudate Dominum
  24. 🔍 24% Laudate DominumLaudate Dominum
  25. 🔍 24% Laudate Dominum omnes gentes (Psalmus 116)Laudate Dominum omnes gentes (Psalmus 116)
  26. 🔍 24% Laudate Dominum quiaLaudate Dominum quia
  27. 🔍 23% Laudate Dominum omnesLaudate Dominum omnes
  28. 🔍 23% De profundis (Ps. 129, 4A*)De profundis (Ps. 129, 4A*)
  29. 🔍 23% LaudateLaudate
  30. 🔍 23% Laudate... omnes AngeliLaudate... omnes Angeli
  31. 🔍 23% Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)Laudate Pueri (Ps. 112, Set to the 8G Solemn Magnificat Tone)
  32. 🔍 23% Adoremus Ps. Laudate Dominum. IIIAdoremus Ps. Laudate Dominum. III
  33. 🔍 23% Laudate... quoniam IILaudate... quoniam II
  34. 🔍 23% Laudate Dominum de Coelis (148)Laudate Dominum de Coelis (148)
  35. 🔍 23% Emisi vosEmisi vos
  36. 🔍 23% Qui timet DominumQui timet Dominum
  37. 🔍 22% Laudate DominumLaudate Dominum
  38. 🔍 22% Litania 09 Propitius estoLitania 09 Propitius esto
  39. 🔍 22% Ps. 117 Confitemini Domino (Dominica Resurrectionis)Ps. 117 Confitemini Domino (Dominica Resurrectionis)
  40. 🔍 22% Litania 10 PeccatoresLitania 10 Peccatores
  41. 🔍 22% Verba meaVerba mea
  42. 🔍 22% Laudate... de caelisLaudate... de caelis
  43. 🔍 22% Confitebor Tibi (Ps. 110, 2D)Confitebor Tibi (Ps. 110, 2D)
  44. 🔍 22% Litania 04 Sancta Dei GenitrixLitania 04 Sancta Dei Genitrix
  45. 🔍 22% Laudate Dominum de caelisLaudate Dominum de caelis
  46. 🔍 22% In excelsis laudateIn excelsis laudate
  47. 🔍 22% Litania 05 Omnes sancti Litania 05 Omnes sancti
  48. 🔍 22% Laudate Dominum secundumLaudate Dominum secundum
  49. 🔍 22% Litania 06 Sancte JoannesLitania 06 Sancte Joannes
  50. 🔍 22% Litania 08 Sancte PetreLitania 08 Sancte Petre
  51. 🔍 22% In cymbalisIn cymbalis
  52. 🔍 21% Laudate... omnesLaudate... omnes
  53. 🔍 21% Laudate Dominum omnes gentesLaudate Dominum omnes gentes
  54. 🔍 21% Laudate... DominiLaudate... Domini
  55. 🔍 21% Minuisti eumMinuisti eum
  56. 🔍 21% Et valde maneEt valde mane
  57. 🔍 21% Sacerdotes Dei (Intr.)Sacerdotes Dei (Intr.)
  58. 🔍 21% Benedictus es DomineBenedictus es Domine
  59. 🔍 21% AlleluiaAlleluia
  60. 🔍 21% Alleluia laudate DominumAlleluia laudate Dominum
  61. 🔍 21% Loquebar... Ps. LaudateLoquebar... Ps. Laudate
  62. 🔍 21% Laudate Dominum omnes gentesLaudate Dominum omnes gentes
  63. 🔍 21% Laudate DominumLaudate Dominum
  64. 🔍 20% Iubilate Deo (99)Iubilate Deo (99)
  65. 🔍 20% Dominus regit me (Ps.22 - Textus antiquus)Dominus regit me (Ps.22 - Textus antiquus)