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% Sancta MariaSancta Maria
  2. 🔍 39% Ave Virgo specieiAve Virgo speciei
  3. 🔍 34% Salve mater misericordiaeSalve mater misericordiae
  4. 🔍 32% Nativitas Domini (Alia antiphona)Nativitas Domini (Alia antiphona)
  5. 🔍 31% O Maria vitae viaO Maria vitae via
  6. 🔍 30% Clemens et benignaClemens et benigna
  7. 🔍 30% Ad Virginem Dei MatremAd Virginem Dei Matrem
  8. 🔍 30% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  9. 🔍 30% Ave Virgo specieiAve Virgo speciei
  10. 🔍 30% Alma VirgoAlma Virgo
  11. 🔍 30% Flos virginumFlos virginum
  12. 🔍 29% In natali DominiIn natali Domini
  13. 🔍 29% Salve mira creaturaSalve mira creatura
  14. 🔍 29% Visne MariaVisne Maria
  15. 🔍 29% O Maria Mater pia MaterO Maria Mater pia Mater
  16. 🔍 29% Ave MaterAve Mater
  17. 🔍 28% Sancta Maria... allel.Sancta Maria... allel.
  18. 🔍 28% Concordi laetitiaConcordi laetitia
  19. 🔍 28% Post partum VirgoPost partum Virgo
  20. 🔍 28% Sancta MariaSancta Maria
  21. 🔍 28% Gaude Virgo quae de caelisGaude Virgo quae de caelis
  22. 🔍 27% Ave plena gratiaeAve plena gratiae
  23. 🔍 27% Sancta... semperSancta... semper
  24. 🔍 27% O Virgo pulcherrimaO Virgo pulcherrima
  25. 🔍 27% Salve mundi DominaSalve mundi Domina
  26. 🔍 26% PentecostesPentecostes
  27. 🔍 26% Salve MaterSalve Mater
  28. 🔍 26% Salve MaterSalve Mater
  29. 🔍 26% Impositio diadematis B. M. V.Impositio diadematis B. M. V.
  30. 🔍 26% Ave lumenAve lumen
  31. 🔍 26% ResurrectioResurrectio
  32. 🔍 26% CrucifixioCrucifixio
  33. 🔍 25% Sancta... semper... allel.Sancta... semper... allel.
  34. 🔍 25% Praefatio ferialis de beata Maria VirginePraefatio ferialis de beata Maria Virgine
  35. 🔍 25% Assumptio B. M. V.Assumptio B. M. V.
  36. 🔍 24% Voce jucunditatisVoce jucunditatis
  37. 🔍 24% Pentecostes (Tempore paschali)Pentecostes (Tempore paschali)
  38. 🔍 24% Gloria SanctorumGloria Sanctorum
  39. 🔍 24% InviolataInviolata
  40. 🔍 24% InviolataInviolata
  41. 🔍 24% Nativitas DominiNativitas Domini
  42. 🔍 24% Sancta DeiSancta Dei
  43. 🔍 24% Praefatio ferialis de sancto Ioseph Sponso B. M. V.Praefatio ferialis de sancto Ioseph Sponso B. M. V.
  44. 🔍 24% Impositio diadematis B. M. V. (Alia antiphona)Impositio diadematis B. M. V. (Alia antiphona)
  45. 🔍 24% Omnis expertemOmnis expertem
  46. 🔍 24% O Maria, gratia plenaO Maria, gratia plena
  47. 🔍 24% Resonet in laudibusResonet in laudibus
  48. 🔍 23% MemorareMemorare
  49. 🔍 23% O tu spes mea MariaO tu spes mea Maria
  50. 🔍 23% MemorareMemorare
  51. 🔍 23% Praefatio ferialis de MartyribusPraefatio ferialis de Martyribus
  52. 🔍 23% Resurrectio (Tempore paschali)Resurrectio (Tempore paschali)
  53. 🔍 23% AnnuntiatioAnnuntiatio
  54. 🔍 23% Concordi laetitiaConcordi laetitia
  55. 🔍 23% Praefatio ferialis de sancta CrucePraefatio ferialis de sancta Cruce
  56. 🔍 23% AscensioAscensio
  57. 🔍 23% Sancta... dulcisSancta... dulcis
  58. 🔍 23% Assumptio B. M. V. (Alia antiphona)Assumptio B. M. V. (Alia antiphona)
  59. 🔍 23% O res admirabilisO res admirabilis
  60. 🔍 22% Sancta Dei GenitrixSancta Dei Genitrix
  61. 🔍 22% O Maria mater piaO Maria mater pia
  62. 🔍 22% Praefatio ferialis de Spiritu SanctoPraefatio ferialis de Spiritu Sancto
  63. 🔍 22% O Maria vitae viaO Maria vitae via
  64. 🔍 22% Omnis expertemOmnis expertem
  65. 🔍 22% Regis superni nuntiaRegis superni nuntia