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% Assumptio B. M. V. (Alia antiphona)Assumptio B. M. V. (Alia antiphona)
  2. 🔍 48% Paradisi porta per EvamParadisi porta per Evam
  3. 🔍 44% Paradisi porta per EvamParadisi porta per Evam
  4. 🔍 43% Assumptio B. M. V.Assumptio B. M. V.
  5. 🔍 33% Pentecostes (Tempore paschali)Pentecostes (Tempore paschali)
  6. 🔍 32% PentecostesPentecostes
  7. 🔍 32% Impositio diadematis B. M. V. (Alia antiphona)Impositio diadematis B. M. V. (Alia antiphona)
  8. 🔍 31% Nativitas Domini (Alia antiphona)Nativitas Domini (Alia antiphona)
  9. 🔍 30% Pentecostes (Alia antiphona)Pentecostes (Alia antiphona)
  10. 🔍 28% Bajulatio Crucis (Alia antiphona)Bajulatio Crucis (Alia antiphona)
  11. 🔍 28% CrucifixioCrucifixio
  12. 🔍 27% Omnes GentesOmnes Gentes
  13. 🔍 27% Impositio diadematis B. M. V.Impositio diadematis B. M. V.
  14. 🔍 27% AnnuntiatioAnnuntiatio
  15. 🔍 27% Crucifixio (Alia antiphona)Crucifixio (Alia antiphona)
  16. 🔍 26% Post partum VirgoPost partum Virgo
  17. 🔍 26% Virgo prudentissimaVirgo prudentissima
  18. 🔍 26% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 26% Iste Confessor patriarchaIste Confessor patriarcha
  20. 🔍 26% Ave Virgo specieiAve Virgo speciei
  21. 🔍 25% Regina caeli (Officium Parvum)Regina caeli (Officium Parvum)
  22. 🔍 25% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  23. 🔍 25% Purificatio B. M. V. (Alia antiphona)Purificatio B. M. V. (Alia antiphona)
  24. 🔍 25% Gaude mater AnnaGaude mater Anna
  25. 🔍 25% Resurrectio (Tempore paschali)Resurrectio (Tempore paschali)
  26. 🔍 25% Salus et gloria - mode IVSalus et gloria - mode IV
  27. 🔍 25% MemorareMemorare
  28. 🔍 25% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  29. 🔍 25% Exsurgat DeusExsurgat Deus
  30. 🔍 24% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  31. 🔍 24% Cohors beata SeraphimCohors beata Seraphim
  32. 🔍 24% Ave maris stella (another chant) (2)Ave maris stella (another chant) (2)
  33. 🔍 24% Regina caeliRegina caeli
  34. 🔍 24% Vexilla Regis prodeuntVexilla Regis prodeunt
  35. 🔍 24% Beata Mater...Regina mundi nostrasBeata Mater...Regina mundi nostras
  36. 🔍 23% Commune vos apostoliCommune vos apostoli
  37. 🔍 23% MemorareMemorare
  38. 🔍 23% Hodiernae lux dieiHodiernae lux diei
  39. 🔍 23% Salvator mundiSalvator mundi
  40. 🔍 23% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  41. 🔍 23% Beata es Virgo Maria quae (Ant)Beata es Virgo Maria quae (Ant)
  42. 🔍 23% Gaude Virgo quae de caelisGaude Virgo quae de caelis
  43. 🔍 23% A periculisA periculis
  44. 🔍 23% Omnis expertemOmnis expertem
  45. 🔍 23% Sancta MariaSancta Maria
  46. 🔍 23% Ascensio (Tempore paschali)Ascensio (Tempore paschali)
  47. 🔍 22% Ego sum panis (I)Ego sum panis (I)
  48. 🔍 22% Bajulatio CrucisBajulatio Crucis
  49. 🔍 22% Pacem tuamPacem tuam
  50. 🔍 22% Praeclara qua tu gloriaPraeclara qua tu gloria
  51. 🔍 22% Rex summe regumRex summe regum
  52. 🔍 22% Regina mundiRegina mundi
  53. 🔍 22% Exaltata est gloriosaExaltata est gloriosa
  54. 🔍 22% Ad Virginem Dei MatremAd Virginem Dei Matrem
  55. 🔍 22% VisitatioVisitatio
  56. 🔍 22% Jesu Fili summi PatrisJesu Fili summi Patris
  57. 🔍 22% Agonia in hortoAgonia in horto
  58. 🔍 22% Cum videritis abominationemCum videritis abominationem
  59. 🔍 22% Hodie completi suntHodie completi sunt
  60. 🔍 22% Iam bone pastorIam bone pastor
  61. 🔍 22% Educas panem de terraEducas panem de terra
  62. 🔍 22% Regina mundiRegina mundi
  63. 🔍 22% Decora lux aeternitatisDecora lux aeternitatis
  64. 🔍 22% Angelus... nuntiavitAngelus... nuntiavit
  65. 🔍 22% Te nostra laetisTe nostra laetis