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% O beata MargaritaO beata Margarita
  2. 🔍 27% Beata MargaritaBeata Margarita
  3. 🔍 26% O Thoma DidymeO Thoma Didyme
  4. 🔍 25% MargaritaMargarita
  5. 🔍 24% Beata es MariaBeata es Maria
  6. 🔍 23% Suscitabit DeusSuscitabit Deus
  7. 🔍 23% O clavis DavidO clavis David
  8. 🔍 23% O Rex gloriaeO Rex gloriae
  9. 🔍 22% O ClavisO Clavis
  10. 🔍 22% InviolataInviolata
  11. 🔍 21% Sanctorum meritis inclytaSanctorum meritis inclyta
  12. 🔍 21% Gaude SionGaude Sion
  13. 🔍 21% O lux beata CaelitumO lux beata Caelitum
  14. 🔍 21% Sanctorum meritisSanctorum meritis
  15. 🔍 21% Ante thronum TrinitatisAnte thronum Trinitatis
  16. 🔍 21% O quam gloriosus est beatusO quam gloriosus est beatus
  17. 🔍 21% Beati estisBeati estis
  18. 🔍 21% O MartineO Martine
  19. 🔍 21% Lauda in choroLauda in choro
  20. 🔍 21% Alma RedemptorisAlma Redemptoris
  21. 🔍 20% Ave lumenAve lumen
  22. 🔍 20% O superni sponsaO superni sponsa
  23. 🔍 20% O beata et benedictaO beata et benedicta
  24. 🔍 20% Te beata sponsa ChristiTe beata sponsa Christi
  25. 🔍 20% CopiosaeCopiosae
  26. 🔍 20% Beata AgathaBeata Agatha
  27. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  28. 🔍 20% Hic est vere MartyrHic est vere Martyr
  29. 🔍 20% Martyr Dei (IIIa)Martyr Dei (IIIa)
  30. 🔍 20% Jesse proles quibus dolesJesse proles quibus doles
  31. 🔍 20% Exsultet caelum (I)Exsultet caelum (I)
  32. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  33. 🔍 20% O SapientiaO Sapientia
  34. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  35. 🔍 20% O lux beata CaelitumO lux beata Caelitum
  36. 🔍 20% Alma Redemptoris (tonus simplex)Alma Redemptoris (tonus simplex)
  37. 🔍 19% Gaude MariaGaude Maria
  38. 🔍 19% Simile estSimile est
  39. 🔍 19% Cum iratusCum iratus
  40. 🔍 19% Beatus AndreasBeatus Andreas
  41. 🔍 19% Jam toto subitusJam toto subitus
  42. 🔍 19% Benedictus es... in labiisBenedictus es... in labiis
  43. 🔍 19% Cum vocatus fuerisCum vocatus fueris
  44. 🔍 19% Legis sacrataeLegis sacratae
  45. 🔍 19% Gaudeamus exsultantesGaudeamus exsultantes
  46. 🔍 19% Beata Mater...Regina mundi intercedeBeata Mater...Regina mundi intercede
  47. 🔍 19% O RosaO Rosa
  48. 🔍 19% VoveteVovete
  49. 🔍 19% Det CatharinaDet Catharina
  50. 🔍 19% Benedicta es tu (II)Benedicta es tu (II)
  51. 🔍 19% EgregiusEgregius
  52. 🔍 19% Pro eo... inquitPro eo... inquit
  53. 🔍 19% O beata MaterO beata Mater
  54. 🔍 18% Primum quaeritePrimum quaerite
  55. 🔍 18% ImpietatibusImpietatibus
  56. 🔍 18% Gaude MariaGaude Maria
  57. 🔍 18% Te Joseph celebrent (I)Te Joseph celebrent (I)
  58. 🔍 18% O Rex gentiumO Rex gentium
  59. 🔍 18% Hac MargaritaHac Margarita
  60. 🔍 18% Suscitabit DeusSuscitabit Deus
  61. 🔍 18% Invicte Martyr unicumInvicte Martyr unicum
  62. 🔍 18% Ambulans JesusAmbulans Jesus
  63. 🔍 18% In voluntateIn voluntate
  64. 🔍 18% Hostis HerodesHostis Herodes
  65. 🔍 18% Jam toto subitusJam toto subitus