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 sacrum conviviumO sacrum convivium
  2. 🔍 80% O sacrum conviviumO sacrum convivium
  3. 🔍 54% O sacrum conviviumO sacrum convivium
  4. 🔍 44% O sacrum conviviumO sacrum convivium
  5. 🔍 39% Tota pulchra es Maria (All)Tota pulchra es Maria (All)
  6. 🔍 38% O sacrum conviviumO sacrum convivium
  7. 🔍 38% O sacrum conviviumO sacrum convivium
  8. 🔍 31% Lamentatio IIILamentatio III
  9. 🔍 27% Gaude Mater PoloniaGaude Mater Polonia
  10. 🔍 25% VincentiVincenti
  11. 🔍 25% Beata nobisBeata nobis
  12. 🔍 25% Impleta gaudentImpleta gaudent
  13. 🔍 25% Sponso sponsa!Sponso sponsa!
  14. 🔍 24% Exsurge DomineExsurge Domine
  15. 🔍 23% Hymnum novaeHymnum novae
  16. 🔍 23% Rex magneRex magne
  17. 🔍 22% VerumtamenVerumtamen
  18. 🔍 22% Non fraus magnanimumNon fraus magnanimum
  19. 🔍 22% O virgo maximaO virgo maxima
  20. 🔍 22% Benedictus Dominus Patris nostriBenedictus Dominus Patris nostri
  21. 🔍 22% Justi epulentur (All.)Justi epulentur (All.)
  22. 🔍 21% Custodes hominumCustodes hominum
  23. 🔍 21% Non illam cruciansNon illam crucians
  24. 🔍 21% In martyris LaurentiiIn martyris Laurentii
  25. 🔍 21% Doctori gentium!Doctori gentium!
  26. 🔍 21% Adeamus. Ps. EructavitAdeamus. Ps. Eructavit
  27. 🔍 21% Justi... ParastiJusti... Parasti
  28. 🔍 21% Precatus estPrecatus est
  29. 🔍 21% Laus sit Regi!Laus sit Regi!
  30. 🔍 20% Ex quo omniaEx quo omnia
  31. 🔍 20% Tu natale solum protegeTu natale solum protege
  32. 🔍 20% Virgines laudentVirgines laudent
  33. 🔍 20% Adeamus. Ps. LevaviAdeamus. Ps. Levavi
  34. 🔍 20% Credo quod RedemptorCredo quod Redemptor
  35. 🔍 20% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  36. 🔍 20% Haec est vita aeternaHaec est vita aeterna
  37. 🔍 20% Superne regum RexSuperne regum Rex
  38. 🔍 20% Lucis Creator optimeLucis Creator optime
  39. 🔍 20% Lucis Creator optimeLucis Creator optime
  40. 🔍 20% Lamentatio IVLamentatio IV
  41. 🔍 20% Martinae celebri plauditeMartinae celebri plaudite
  42. 🔍 20% Candor aeternaeCandor aeternae
  43. 🔍 20% A summo caeloA summo caelo
  44. 🔍 20% Lucis creatorLucis creator
  45. 🔍 20% Et respicientesEt respicientes
  46. 🔍 20% Iesu quadragenariaeIesu quadragenariae
  47. 🔍 20% Requiem (Grad.)Requiem (Grad.)
  48. 🔍 19% Tu natale solumTu natale solum
  49. 🔍 19% Ego vos elegiEgo vos elegi
  50. 🔍 19% Domine refugiumDomine refugium
  51. 🔍 19% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  52. 🔍 19% Lucis Creator optimeLucis Creator optime
  53. 🔍 19% DispersitDispersit
  54. 🔍 19% In omnem terram (Grad.)In omnem terram (Grad.)
  55. 🔍 19% DeriventurDeriventur
  56. 🔍 19% aeterna Christi munera Apostolorumaeterna Christi munera Apostolorum
  57. 🔍 19% Gabriel Angelus... EcceGabriel Angelus... Ecce
  58. 🔍 19% Christe qui luxChriste qui lux
  59. 🔍 19% Ab occultis meisAb occultis meis
  60. 🔍 19% En martyris LaurentiiEn martyris Laurentii
  61. 🔍 19% Alleluia confitemini. (Sundays throughout the year at Prime)Alleluia confitemini. (Sundays throughout the year at Prime)
  62. 🔍 19% Veni Creator SpiritusVeni Creator Spiritus
  63. 🔍 19% Lucis creatorLucis creator
  64. 🔍 19% Lignum vitae quaerimus!Lignum vitae quaerimus!
  65. 🔍 19% Sacrificent DominoSacrificent Domino