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% Lauda Mater... ThomaeLauda Mater... Thomae
  2. 🔍 34% Exsultet mentisExsultet mentis
  3. 🔍 30% Lauda Mater EcclesiaLauda Mater Ecclesia
  4. 🔍 29% Lauda fidelisLauda fidelis
  5. 🔍 28% Lauda Mater... laudaLauda Mater... lauda
  6. 🔍 24% Adsunt DoctorisAdsunt Doctoris
  7. 🔍 24% Lauda JerusalemLauda Jerusalem
  8. 🔍 23% Exsultet claroExsultet claro
  9. 🔍 23% Lauda animaLauda anima
  10. 🔍 22% MilitantisMilitantis
  11. 🔍 21% Felix ThomasFelix Thomas
  12. 🔍 21% Lauda piaLauda pia
  13. 🔍 21% CollaudeturCollaudetur
  14. 🔍 21% Gaude felix materGaude felix mater
  15. 🔍 21% Lauda... quoniamLauda... quoniam
  16. 🔍 21% Lauda... annuntiatLauda... annuntiat
  17. 🔍 21% Quia vidisti meQuia vidisti me
  18. 🔍 21% Sertum gestansSertum gestans
  19. 🔍 20% Alma mater EcclesiaAlma mater Ecclesia
  20. 🔍 20% Ave stellaAve stella
  21. 🔍 20% Gaude Mater EcclesiaGaude Mater Ecclesia
  22. 🔍 19% Dixit Mater JesuDixit Mater Jesu
  23. 🔍 19% Benedictum nomenBenedictum nomen
  24. 🔍 19% Laetare MaterLaetare Mater
  25. 🔍 19% TumorTumor
  26. 🔍 19% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  27. 🔍 19% O Maria Mater pia MaterO Maria Mater pia Mater
  28. 🔍 19% Caelitum IosephCaelitum Ioseph
  29. 🔍 19% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  30. 🔍 19% Decus morumDecus morum
  31. 🔍 19% In diebus illis: Facta est super meIn diebus illis: Facta est super me
  32. 🔍 19% Lauda et laetare filia SionLauda et laetare filia Sion
  33. 🔍 19% Jesu Rex admirabilisJesu Rex admirabilis
  34. 🔍 18% JustorumJustorum
  35. 🔍 18% Salvete cedri LibaniSalvete cedri Libani
  36. 🔍 18% Animae impiorumAnimae impiorum
  37. 🔍 18% Laudemus caeliLaudemus caeli
  38. 🔍 18% Spe mercedisSpe mercedis
  39. 🔍 18% Jesu dulcis memoria!Jesu dulcis memoria!
  40. 🔍 18% Felicem AgnetisFelicem Agnetis
  41. 🔍 18% Fontem salutisFontem salutis
  42. 🔍 18% O ThomaO Thoma
  43. 🔍 18% Summum RegemSummum Regem
  44. 🔍 18% Coelitum JosephCoelitum Joseph
  45. 🔍 18% Roma Petro Glorietur (Another Tone)Roma Petro Glorietur (Another Tone)
  46. 🔍 18% O martyr desiderioO martyr desiderio
  47. 🔍 18% Beatus LaurentiusBeatus Laurentius
  48. 🔍 18% JudicastiJudicasti
  49. 🔍 18% Dixit Mater ejusDixit Mater ejus
  50. 🔍 17% Noe vero cumNoe vero cum
  51. 🔍 17% Jesu corona caelitumJesu corona caelitum
  52. 🔍 17% Hodiernae lux dieiHodiernae lux diei
  53. 🔍 17% Lauda anima meaLauda anima mea
  54. 🔍 17% Gaude felix parensGaude felix parens
  55. 🔍 17% Magnae dies... nobisMagnae dies... nobis
  56. 🔍 17% Caelitum JosephCaelitum Joseph
  57. 🔍 17% InclytaInclyta
  58. 🔍 17% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  59. 🔍 17% Summi Parentis FilioSummi Parentis Filio
  60. 🔍 17% CollaeteturCollaetetur
  61. 🔍 17% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  62. 🔍 17% Jesu nostra redemptioJesu nostra redemptio
  63. 🔍 17% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  64. 🔍 17% O beatum pontificemO beatum pontificem
  65. 🔍 17% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)