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 lux beata TrinitasO lux beata Trinitas
  2. 🔍 79% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  3. 🔍 76% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  4. 🔍 72% O lux beata TrinitasO lux beata Trinitas
  5. 🔍 60% Jam sol receditJam sol recedit
  6. 🔍 59% Jam sol receditJam sol recedit
  7. 🔍 58% O lux beata TrinitasO lux beata Trinitas
  8. 🔍 57% Jam sol recedit igneusJam sol recedit igneus
  9. 🔍 55% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  10. 🔍 53% Immensa et unaImmensa et una
  11. 🔍 52% Tu Trinitatis UnitasTu Trinitatis Unitas
  12. 🔍 51% O lux beata TrinitasO lux beata Trinitas
  13. 🔍 51% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  14. 🔍 48% Tu Trinitatis UnitasTu Trinitatis Unitas
  15. 🔍 46% O castitatis signiferO castitatis signifer
  16. 🔍 46% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  17. 🔍 46% Martyr Dei, qui unicumMartyr Dei, qui unicum
  18. 🔍 45% Tu Trinitatis unitasTu Trinitatis unitas
  19. 🔍 45% Martyr Dei qui unicumMartyr Dei qui unicum
  20. 🔍 44% Audit tyrannus anxiusAudit tyrannus anxius
  21. 🔍 43% Summae Parens clementiaeSummae Parens clementiae
  22. 🔍 41% Miris modis repenteMiris modis repente
  23. 🔍 41% Gloria VIIGloria VII
  24. 🔍 40% Venite exultemus IV GVenite exultemus IV G
  25. 🔍 40% Regali solioRegali solio
  26. 🔍 40% Miserere mei... secundumMiserere mei... secundum
  27. 🔍 39% Regali solio fortisRegali solio fortis
  28. 🔍 39% Nullis te genitorNullis te genitor
  29. 🔍 39% Regali solio fortisRegali solio fortis
  30. 🔍 39% Quodcumque in orbeQuodcumque in orbe
  31. 🔍 38% Quicumque certumQuicumque certum
  32. 🔍 38% A solis ortusA solis ortus
  33. 🔍 37% Benedictus es DomineBenedictus es Domine
  34. 🔍 37% Summae Deus clementiae septemSummae Deus clementiae septem
  35. 🔍 37% Felix namqueFelix namque
  36. 🔍 37% Gloria XIIIGloria XIII
  37. 🔍 37% Christe pastorumChriste pastorum
  38. 🔍 37% Dei fideDei fide
  39. 🔍 37% Dei fideDei fide
  40. 🔍 37% Miris modis repente liberMiris modis repente liber
  41. 🔍 36% Quodcumque in orbeQuodcumque in orbe
  42. 🔍 36% Ternis ter horisTernis ter horis
  43. 🔍 36% Ex more docti mysticoEx more docti mystico
  44. 🔍 36% Felix namque esFelix namque es
  45. 🔍 36% Te Deum PatremTe Deum Patrem
  46. 🔍 35% Iste Confessor (Conf. Bishop) 3Iste Confessor (Conf. Bishop) 3
  47. 🔍 35% Invicte Martyr unicumInvicte Martyr unicum
  48. 🔍 35% Veni Redemptor gentiumVeni Redemptor gentium
  49. 🔍 35% Beata AgathaBeata Agatha
  50. 🔍 35% Gloria tibi TrinitasGloria tibi Trinitas
  51. 🔍 35% Invicte MartyrInvicte Martyr
  52. 🔍 35% Felix namque esFelix namque es
  53. 🔍 34% Ternis ter horisTernis ter horis
  54. 🔍 34% Benedicta semperBenedicta semper
  55. 🔍 34% Gloria IIGloria II
  56. 🔍 34% Adoremus in aeternumAdoremus in aeternum
  57. 🔍 33% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  58. 🔍 33% Hostis HerodesHostis Herodes
  59. 🔍 33% Iste Confessorum Domini (in Feriis tertiis)Iste Confessorum Domini (in Feriis tertiis)
  60. 🔍 33% Benedictus es DomineBenedictus es Domine
  61. 🔍 33% Legis sacrataeLegis sacratae
  62. 🔍 32% Nunc tempus acceptabileNunc tempus acceptabile
  63. 🔍 32% Dum lux exoriturDum lux exoritur
  64. 🔍 32% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  65. 🔍 32% Gloria tibi TrinitasGloria tibi Trinitas