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% Hymnum novaeHymnum novae
  2. 🔍 50% Gaude Mater PoloniaGaude Mater Polonia
  3. 🔍 45% Lucis Creator optime (in Hieme)Lucis Creator optime (in Hieme)
  4. 🔍 44% Beata nobisBeata nobis
  5. 🔍 44% Lucis Creator optimeLucis Creator optime
  6. 🔍 44% Impleta gaudentImpleta gaudent
  7. 🔍 44% Lucis creatorLucis creator
  8. 🔍 44% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  9. 🔍 43% Deus creator omniumDeus creator omnium
  10. 🔍 42% Iesu quadragenariaeIesu quadragenariae
  11. 🔍 42% Lucis creatorLucis creator
  12. 🔍 42% Deus creator omniumDeus creator omnium
  13. 🔍 41% Stephani victoria!Stephani victoria!
  14. 🔍 41% Superne regum RexSuperne regum Rex
  15. 🔍 41% Rex magneRex magne
  16. 🔍 40% Post Petrum primumPost Petrum primum
  17. 🔍 39% Christum rogemusChristum rogemus
  18. 🔍 39% Nostra festivo modulata plausuNostra festivo modulata plausu
  19. 🔍 39% Christe qui luxChriste qui lux
  20. 🔍 38% In martyris LaurentiiIn martyris Laurentii
  21. 🔍 38% Sponso sponsa!Sponso sponsa!
  22. 🔍 38% Jam Christus astraJam Christus astra
  23. 🔍 37% Lucis Creator optimeLucis Creator optime
  24. 🔍 37% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  25. 🔍 37% Vitae novae praevia!Vitae novae praevia!
  26. 🔍 37% Lucis Creator optimeLucis Creator optime
  27. 🔍 37% Festum celebre martyrisFestum celebre martyris
  28. 🔍 37% Custodes hominumCustodes hominum
  29. 🔍 36% Mente jucundaMente jucunda
  30. 🔍 35% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  31. 🔍 35% Praefatio solemnior de Omnibus Sanctis et PatronisPraefatio solemnior de Omnibus Sanctis et Patronis
  32. 🔍 35% Te lucis ante terminum (In Major. Festis per Annum)Te lucis ante terminum (In Major. Festis per Annum)
  33. 🔍 35% Praefatio solemnior de sancto Ioseph Sponso B. M. V.Praefatio solemnior de sancto Ioseph Sponso B. M. V.
  34. 🔍 35% Martinae celebriMartinae celebri
  35. 🔍 34% Non fraus magnanimumNon fraus magnanimum
  36. 🔍 34% Candor aeternaeCandor aeternae
  37. 🔍 34% Praefatio solemnior de beata Maria VirginePraefatio solemnior de beata Maria Virgine
  38. 🔍 34% En martyris LaurentiiEn martyris Laurentii
  39. 🔍 34% Martinae celebri plauditeMartinae celebri plaudite
  40. 🔍 34% Praefatio solemnior de D. N. Iesu Christo RegePraefatio solemnior de D. N. Iesu Christo Rege
  41. 🔍 34% Praefatio solemnior de sanctissima TrinitatePraefatio solemnior de sanctissima Trinitate
  42. 🔍 33% Praefatio solemnior de nuptiisPraefatio solemnior de nuptiis
  43. 🔍 33% Praefatio solemnior de sacratissimo Corde IesuPraefatio solemnior de sacratissimo Corde Iesu
  44. 🔍 33% Sursum sonetSursum sonet
  45. 🔍 33% Praefatio solemnior de S. BenedictoPraefatio solemnior de S. Benedicto
  46. 🔍 33% Gentis redemptaeGentis redemptae
  47. 🔍 33% Praefatio solemnior de MartyribusPraefatio solemnior de Martyribus
  48. 🔍 33% Bernardinum qui divinum.Bernardinum qui divinum.
  49. 🔍 33% Jesu Fili summi PatrisJesu Fili summi Patris
  50. 🔍 33% Tu natale solum protegeTu natale solum protege
  51. 🔍 33% Praefatio solemnior de Ecclesiae DedicationePraefatio solemnior de Ecclesiae Dedicatione
  52. 🔍 33% Praefatio solemnior de sancto Ioanne BaptistaPraefatio solemnior de sancto Ioanne Baptista
  53. 🔍 32% Praefatio solemnior de sancta CrucePraefatio solemnior de sancta Cruce
  54. 🔍 32% Tu natale solumTu natale solum
  55. 🔍 32% Laus sit Regi!Laus sit Regi!
  56. 🔍 32% Non illam cruciansNon illam crucians
  57. 🔍 32% Praefatio solemnior de sancto Joanne BaptistaPraefatio solemnior de sancto Joanne Baptista
  58. 🔍 32% Gaudete vos fideles!Gaudete vos fideles!
  59. 🔍 31% Praefatio solemnior de sanctissima EucharistiaPraefatio solemnior de sanctissima Eucharistia
  60. 🔍 31% Praefatio solemnior de Ascensione DominiPraefatio solemnior de Ascensione Domini
  61. 🔍 31% Praefatio solemnior de AngelisPraefatio solemnior de Angelis
  62. 🔍 31% O nimis felixO nimis felix
  63. 🔍 31% De profundis tenebrarum!De profundis tenebrarum!
  64. 🔍 31% Juste et sancteJuste et sancte
  65. 🔍 31% Praefatio solemnior de AdventuPraefatio solemnior de Adventu