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% Omnis expertemOmnis expertem
  2. 🔍 41% Omnis expertemOmnis expertem
  3. 🔍 40% Omnis expertem maculaeOmnis expertem maculae
  4. 🔍 40% Omnis expertemOmnis expertem
  5. 🔍 38% Omnis expertemOmnis expertem
  6. 🔍 30% Nativitas Domini (Alia antiphona)Nativitas Domini (Alia antiphona)
  7. 🔍 28% Resonet in laudibusResonet in laudibus
  8. 🔍 25% Concordi laetitiaConcordi laetitia
  9. 🔍 25% ResurrectioResurrectio
  10. 🔍 24% PentecostesPentecostes
  11. 🔍 24% Sancta MariaSancta Maria
  12. 🔍 24% Resonet in laudibusResonet in laudibus
  13. 🔍 23% Assumptio B. M. V.Assumptio B. M. V.
  14. 🔍 23% Verbum caro factum estVerbum caro factum est
  15. 🔍 23% AnnuntiatioAnnuntiatio
  16. 🔍 23% Ave Virgo specieiAve Virgo speciei
  17. 🔍 23% AscensioAscensio
  18. 🔍 23% Ad Virginem Dei MatremAd Virginem Dei Matrem
  19. 🔍 23% Resurrectio (Tempore paschali)Resurrectio (Tempore paschali)
  20. 🔍 23% CrucifixioCrucifixio
  21. 🔍 23% Assumptio B. M. V. (Alia antiphona)Assumptio B. M. V. (Alia antiphona)
  22. 🔍 23% Jesu Fili summi PatrisJesu Fili summi Patris
  23. 🔍 23% Stabat Mater speciosaStabat Mater speciosa
  24. 🔍 22% Gaude Virgo quae de caelisGaude Virgo quae de caelis
  25. 🔍 22% Jubilate... omnisJubilate... omnis
  26. 🔍 22% Pentecostes (Tempore paschali)Pentecostes (Tempore paschali)
  27. 🔍 22% Visne MariaVisne Maria
  28. 🔍 22% Ascensio (Tempore paschali)Ascensio (Tempore paschali)
  29. 🔍 22% Omnis vallisOmnis vallis
  30. 🔍 21% Ave plena gratiaeAve plena gratiae
  31. 🔍 21% O Virgo pulcherrimaO Virgo pulcherrima
  32. 🔍 21% Alma VirgoAlma Virgo
  33. 🔍 21% Post partum VirgoPost partum Virgo
  34. 🔍 21% O Maria vitae viaO Maria vitae via
  35. 🔍 21% MemorareMemorare
  36. 🔍 21% Flos virginumFlos virginum
  37. 🔍 21% Tuam coronamTuam coronam
  38. 🔍 21% MemorareMemorare
  39. 🔍 20% Inclitus pastorInclitus pastor
  40. 🔍 20% Eva virumEva virum
  41. 🔍 20% Ave MaterAve Mater
  42. 🔍 20% Salve mira creaturaSalve mira creatura
  43. 🔍 20% VisitatioVisitatio
  44. 🔍 20% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  45. 🔍 20% Impositio diadematis B. M. V.Impositio diadematis B. M. V.
  46. 🔍 20% Crucifixio (Alia antiphona)Crucifixio (Alia antiphona)
  47. 🔍 20% Jubilate Deo omnisJubilate Deo omnis
  48. 🔍 20% Nativitas DominiNativitas Domini
  49. 🔍 20% Tota pulchra es Maria!Tota pulchra es Maria!
  50. 🔍 20% Ave Virgo nobilisAve Virgo nobilis
  51. 🔍 20% Terrena cuncta jubilentTerrena cuncta jubilent
  52. 🔍 20% Omnes autem vosOmnes autem vos
  53. 🔍 19% FlagellatioFlagellatio
  54. 🔍 19% Impositio diadematis B. M. V. (Alia antiphona)Impositio diadematis B. M. V. (Alia antiphona)
  55. 🔍 19% Gloria SanctorumGloria Sanctorum
  56. 🔍 19% Bajulatio CrucisBajulatio Crucis
  57. 🔍 19% Purificatio B. M. V.Purificatio B. M. V.
  58. 🔍 19% Gaude Dei GenitrixGaude Dei Genitrix
  59. 🔍 19% Imperatrix AngelorumImperatrix Angelorum
  60. 🔍 19% Omnes autem vos fratres estisOmnes autem vos fratres estis
  61. 🔍 19% Tota pulchra es Maria!Tota pulchra es Maria!
  62. 🔍 19% Venite exultemus IIVenite exultemus II
  63. 🔍 18% Inventio Jesu in temploInventio Jesu in templo
  64. 🔍 18% Omnes autem vosOmnes autem vos
  65. 🔍 18% Te Deum (tonus monasticus)Te Deum (tonus monasticus)