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% Laudate pueriLaudate pueri
  2. 🔍 53% Quam pulchriQuam pulchri
  3. 🔍 49% SuscitansSuscitans
  4. 🔍 42% Laudate pueriLaudate pueri
  5. 🔍 37% Pauper et inopsPauper et inops
  6. 🔍 35% Laudate pueriLaudate pueri
  7. 🔍 31% Laudate pueriLaudate pueri
  8. 🔍 25% PauperPauper
  9. 🔍 23% Eripe meEripe me
  10. 🔍 23% Ave Maria (Alleluia)Ave Maria (Alleluia)
  11. 🔍 21% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  12. 🔍 21% Domine Deus... qui repertusDomine Deus... qui repertus
  13. 🔍 21% Lauda Mater... laudaLauda Mater... lauda
  14. 🔍 21% Sacerdotes DeiSacerdotes Dei
  15. 🔍 21% Laudate pueriLaudate pueri
  16. 🔍 21% Laudate pueriLaudate pueri
  17. 🔍 21% Nunc ergoNunc ergo
  18. 🔍 21% Laudate pueriLaudate pueri
  19. 🔍 20% Ecce sic benediceturEcce sic benedicetur
  20. 🔍 20% Sacerdotes Dei (Intr.)Sacerdotes Dei (Intr.)
  21. 🔍 20% Alleluia laudate DominumAlleluia laudate Dominum
  22. 🔍 20% Ingrediente DominoIngrediente Domino
  23. 🔍 20% Eripe meEripe me
  24. 🔍 20% Gloriosus DeusGloriosus Deus
  25. 🔍 20% Domine Deus... vidi cumDomine Deus... vidi cum
  26. 🔍 20% Sacerdotes DeiSacerdotes Dei
  27. 🔍 20% Non habemus hicNon habemus hic
  28. 🔍 20% Ave Maria (Alleluia)Ave Maria (Alleluia)
  29. 🔍 20% Emendemus in meliusEmendemus in melius
  30. 🔍 19% ObtuleruntObtulerunt
  31. 🔍 19% Quam pulchriQuam pulchri
  32. 🔍 19% AlleluiaAlleluia
  33. 🔍 19% HolocaustumHolocaustum
  34. 🔍 19% Misericordia DominiMisericordia Domini
  35. 🔍 19% EmendemusEmendemus
  36. 🔍 19% Desiderium animaeDesiderium animae
  37. 🔍 19% Alleluia LaudateAlleluia Laudate
  38. 🔍 19% Gaudete justiGaudete justi
  39. 🔍 19% Praefatio solemnis de beata Maria VirginePraefatio solemnis de beata Maria Virgine
  40. 🔍 18% Potum meumPotum meum
  41. 🔍 18% Praefatio de Dominicis per annum VPraefatio de Dominicis per annum V
  42. 🔍 18% Misericordia DominiMisericordia Domini
  43. 🔍 18% Non habemus hicNon habemus hic
  44. 🔍 18% Gloria IGloria I
  45. 🔍 18% DecantaveruntDecantaverunt
  46. 🔍 18% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  47. 🔍 18% Gloria (ad lib.) III / III BGloria (ad lib.) III / III B
  48. 🔍 18% De profundisDe profundis
  49. 🔍 18% Lauda JerusalemLauda Jerusalem
  50. 🔍 18% Laudate DominumLaudate Dominum
  51. 🔍 18% Fasciculus MyrrhaeFasciculus Myrrhae
  52. 🔍 18% Laudate... omnes gentesLaudate... omnes gentes
  53. 🔍 18% Domine Deus... qui repertusDomine Deus... qui repertus
  54. 🔍 17% HolocaustumHolocaustum
  55. 🔍 17% Gloria XIGloria XI
  56. 🔍 17% Laudate... DominiLaudate... Domini
  57. 🔍 17% Praefatio solemnis de sanctissima TrinitatePraefatio solemnis de sanctissima Trinitate
  58. 🔍 17% Laudate Deum omnes (Ant)Laudate Deum omnes (Ant)
  59. 🔍 17% Praefatio solemnis de sancta CrucePraefatio solemnis de sancta Cruce
  60. 🔍 17% Praefatio in Sollemnitate Sanctissimae TrinitatisPraefatio in Sollemnitate Sanctissimae Trinitatis
  61. 🔍 17% Praefatio solemnis de MartyribusPraefatio solemnis de Martyribus
  62. 🔍 17% Hei mihi DomineHei mihi Domine
  63. 🔍 17% Praefatio solemnis de sancto Joanne BaptistaPraefatio solemnis de sancto Joanne Baptista
  64. 🔍 17% Laudate DominumLaudate Dominum
  65. 🔍 17% Lauda animaLauda anima