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% O sacrum conviviumO sacrum convivium
  2. 🔍 80% O sacrum conviviumO sacrum convivium
  3. 🔍 68% O sacrum conviviumO sacrum convivium
  4. 🔍 52% O sacrum conviviumO sacrum convivium
  5. 🔍 45% O sacrum conviviumO sacrum convivium
  6. 🔍 43% O sacrum conviviumO sacrum convivium
  7. 🔍 31% Beata nobisBeata nobis
  8. 🔍 31% Impleta gaudentImpleta gaudent
  9. 🔍 31% Gaude Mater PoloniaGaude Mater Polonia
  10. 🔍 28% Laus sit Regi!Laus sit Regi!
  11. 🔍 28% Non illam cruciansNon illam crucians
  12. 🔍 28% Sponso sponsa!Sponso sponsa!
  13. 🔍 28% O virgo maximaO virgo maxima
  14. 🔍 27% Tu natale solum protegeTu natale solum protege
  15. 🔍 26% Decus morumDecus morum
  16. 🔍 26% Martinae celebri plauditeMartinae celebri plaudite
  17. 🔍 26% Hymnum novaeHymnum novae
  18. 🔍 26% Tu natale solumTu natale solum
  19. 🔍 26% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  20. 🔍 26% Rex magneRex magne
  21. 🔍 25% Martinae celebriMartinae celebri
  22. 🔍 25% In martyris LaurentiiIn martyris Laurentii
  23. 🔍 25% Doctori gentium!Doctori gentium!
  24. 🔍 25% Candor aeternaeCandor aeternae
  25. 🔍 25% Non fraus magnanimumNon fraus magnanimum
  26. 🔍 24% Custodes hominumCustodes hominum
  27. 🔍 24% Quasi stellaQuasi stella
  28. 🔍 24% Vincenti dabo mannaVincenti dabo manna
  29. 🔍 23% Per tuam crucemPer tuam crucem
  30. 🔍 23% En martyris LaurentiiEn martyris Laurentii
  31. 🔍 23% Festum celebre martyrisFestum celebre martyris
  32. 🔍 23% Vitae novae praevia!Vitae novae praevia!
  33. 🔍 23% Superne regum RexSuperne regum Rex
  34. 🔍 22% Omnis pulchritudoOmnis pulchritudo
  35. 🔍 22% Precatus estPrecatus est
  36. 🔍 22% Lignum vitae quaerimus!Lignum vitae quaerimus!
  37. 🔍 22% Cornelius centurioCornelius centurio
  38. 🔍 22% Post Petrum primumPost Petrum primum
  39. 🔍 22% Gloria IGloria I
  40. 🔍 22% Sicut oculiSicut oculi
  41. 🔍 22% Lucis Creator optimeLucis Creator optime
  42. 🔍 22% In Francisci filioIn Francisci filio
  43. 🔍 22% DeriventurDeriventur
  44. 🔍 22% Lucis creatorLucis creator
  45. 🔍 22% Bernardinum qui divinum.Bernardinum qui divinum.
  46. 🔍 22% Iesu quadragenariaeIesu quadragenariae
  47. 🔍 22% Jam Christus astraJam Christus astra
  48. 🔍 22% Lucis Creator optime (in Aestate)Lucis Creator optime (in Aestate)
  49. 🔍 22% Beata visceraBeata viscera
  50. 🔍 22% Lucis Creator optimeLucis Creator optime
  51. 🔍 22% Exsurge DomineExsurge Domine
  52. 🔍 22% Christe qui luxChriste qui lux
  53. 🔍 22% Lucis Creator optimeLucis Creator optime
  54. 🔍 21% Nihil inquinatum (Grad)Nihil inquinatum (Grad)
  55. 🔍 21% Eram quasi AgnusEram quasi Agnus
  56. 🔍 21% Ex ejus tumbaEx ejus tumba
  57. 🔍 21% Sacerdotes sanctiSacerdotes sancti
  58. 🔍 21% Lucis creatorLucis creator
  59. 🔍 21% Praefatio solemnior de sancta CrucePraefatio solemnior de sancta Cruce
  60. 🔍 21% ConfiteminiConfitemini
  61. 🔍 21% Incipit Oratio Jeremiae Prophetae (ad libitum)Incipit Oratio Jeremiae Prophetae (ad libitum)
  62. 🔍 21% Salve dies dierum gloriaSalve dies dierum gloria
  63. 🔍 21% Litaniae CordisLitaniae Cordis
  64. 🔍 21% Data est mihiData est mihi
  65. 🔍 21% Data est mihiData est mihi