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% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  2. 🔍 83% Nativitas gloriosaeNativitas gloriosae
  3. 🔍 60% Nativitas gloriosaeNativitas gloriosae
  4. 🔍 58% Solemnitas gloriosaeSolemnitas gloriosae
  5. 🔍 35% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  6. 🔍 32% Nativitas est hodieNativitas est hodie
  7. 🔍 30% Nativitas gloriosaeNativitas gloriosae
  8. 🔍 29% Nativitas est hodieNativitas est hodie
  9. 🔍 28% SolemnitasSolemnitas
  10. 🔍 27% SolemnitasSolemnitas
  11. 🔍 27% Gloriosae Virginis Mariae ortumGloriosae Virginis Mariae ortum
  12. 🔍 25% Gloriosae Virginis MariaeGloriosae Virginis Mariae
  13. 🔍 23% Verbum caro factum estVerbum caro factum est
  14. 🔍 23% Exsurgens MariaExsurgens Maria
  15. 🔍 23% Miris modis repenteMiris modis repente
  16. 🔍 23% Veni Redemptor gentiumVeni Redemptor gentium
  17. 🔍 22% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  18. 🔍 22% Ecce Crucem DominiEcce Crucem Domini
  19. 🔍 22% Immensa et unaImmensa et una
  20. 🔍 21% Sacerdotes tuiSacerdotes tui
  21. 🔍 21% Quodcumque in orbeQuodcumque in orbe
  22. 🔍 21% Prope es tuPrope es tu
  23. 🔍 21% Miris modis repente liberMiris modis repente liber
  24. 🔍 21% Ave Maria... virgo serenaAve Maria... virgo serena
  25. 🔍 21% Jam sol receditJam sol recedit
  26. 🔍 21% Te Deum (Solemn tone)Te Deum (Solemn tone)
  27. 🔍 20% Nativitatem hodiernamNativitatem hodiernam
  28. 🔍 20% Jam sol receditJam sol recedit
  29. 🔍 20% Summae Deus clementiae septemSummae Deus clementiae septem
  30. 🔍 20% Praeclara salutis auroraPraeclara salutis aurora
  31. 🔍 20% Ecce crucem DominiEcce crucem Domini
  32. 🔍 20% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  33. 🔍 20% Spiritus Sanctus ... ne timeasSpiritus Sanctus ... ne timeas
  34. 🔍 20% Sacerdotes tuiSacerdotes tui
  35. 🔍 20% Gloriosae Virginis MariaeGloriosae Virginis Mariae
  36. 🔍 20% Virginis eximiaeVirginis eximiae
  37. 🔍 20% ExsurgeExsurge
  38. 🔍 20% Exsurgens MariaExsurgens Maria
  39. 🔍 20% Cum audisset salutationemCum audisset salutationem
  40. 🔍 20% Gloria Patri IVGloria Patri IV
  41. 🔍 20% Laetamini in DominoLaetamini in Domino
  42. 🔍 20% Audit tyrannus anxiusAudit tyrannus anxius
  43. 🔍 20% Qui sequitur meQui sequitur me
  44. 🔍 20% Missus est Angelus ... ad virginemMissus est Angelus ... ad virginem
  45. 🔍 20% Cum jucunditate MaternitatemCum jucunditate Maternitatem
  46. 🔍 20% SolemnitasSolemnitas
  47. 🔍 20% Virginis CatharinaeVirginis Catharinae
  48. 🔍 20% Dabit ei DominusDabit ei Dominus
  49. 🔍 20% Venite exultemus IV GVenite exultemus IV G
  50. 🔍 19% Regali ex progenieRegali ex progenie
  51. 🔍 19% Regali ex progenieRegali ex progenie
  52. 🔍 19% Semen estSemen est
  53. 🔍 19% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  54. 🔍 19% Felix namqueFelix namque
  55. 🔍 19% Jam sol recedit igneusJam sol recedit igneus
  56. 🔍 19% A solis ortusA solis ortus
  57. 🔍 19% Qui sequitur meQui sequitur me
  58. 🔍 19% Pauperes SionPauperes Sion
  59. 🔍 19% Rex gloriose MartyrumRex gloriose Martyrum
  60. 🔍 19% Miserere mihiMiserere mihi
  61. 🔍 19% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  62. 🔍 19% ExsurgeExsurge
  63. 🔍 19% Redemisti nos DomineRedemisti nos Domine
  64. 🔍 19% Religio mundaReligio munda
  65. 🔍 19% Omnes sunt administratoriiOmnes sunt administratorii