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 lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  2. 🔍 90% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  3. 🔍 83% O lux beata TrinitasO lux beata Trinitas
  4. 🔍 79% O lux beata TrinitasO lux beata Trinitas
  5. 🔍 66% Jam sol receditJam sol recedit
  6. 🔍 66% Tu Trinitatis UnitasTu Trinitatis Unitas
  7. 🔍 65% O lux beata TrinitasO lux beata Trinitas
  8. 🔍 64% Jam sol receditJam sol recedit
  9. 🔍 62% Jam sol recedit igneusJam sol recedit igneus
  10. 🔍 59% Jam sol recedit igneus (Blessed Trinity)Jam sol recedit igneus (Blessed Trinity)
  11. 🔍 57% O lux beata TrinitasO lux beata Trinitas
  12. 🔍 56% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  13. 🔍 56% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  14. 🔍 55% Immensa et unaImmensa et una
  15. 🔍 55% Martyr Dei qui unicumMartyr Dei qui unicum
  16. 🔍 54% Tu Trinitatis unitasTu Trinitatis unitas
  17. 🔍 54% Tu Trinitatis UnitasTu Trinitatis Unitas
  18. 🔍 50% Martyr Dei, qui unicumMartyr Dei, qui unicum
  19. 🔍 49% O castitatis signiferO castitatis signifer
  20. 🔍 48% Summae Parens clementiaeSummae Parens clementiae
  21. 🔍 46% Audit tyrannus anxiusAudit tyrannus anxius
  22. 🔍 44% Miserere mei... secundumMiserere mei... secundum
  23. 🔍 43% Venite exultemus IV GVenite exultemus IV G
  24. 🔍 43% Gloria VIIGloria VII
  25. 🔍 42% Invicte Martyr unicumInvicte Martyr unicum
  26. 🔍 41% Nullis te genitorNullis te genitor
  27. 🔍 40% Regali solioRegali solio
  28. 🔍 40% Invicte MartyrInvicte Martyr
  29. 🔍 40% Regali solio fortisRegali solio fortis
  30. 🔍 40% Quodcumque in orbeQuodcumque in orbe
  31. 🔍 39% Miris modis repenteMiris modis repente
  32. 🔍 39% Gloria XIIIGloria XIII
  33. 🔍 39% Regali solio fortisRegali solio fortis
  34. 🔍 39% Summae Deus clementiae septemSummae Deus clementiae septem
  35. 🔍 39% A solis ortusA solis ortus
  36. 🔍 39% Felix namqueFelix namque
  37. 🔍 39% Christe pastorumChriste pastorum
  38. 🔍 38% Beata AgathaBeata Agatha
  39. 🔍 38% Iste Confessor (Conf. Bishop) 3Iste Confessor (Conf. Bishop) 3
  40. 🔍 38% Quicumque certumQuicumque certum
  41. 🔍 38% Te Deum PatremTe Deum Patrem
  42. 🔍 38% Miris modis repente liberMiris modis repente liber
  43. 🔍 38% Jam lucis orto sidere (In tempore Passionis)Jam lucis orto sidere (In tempore Passionis)
  44. 🔍 38% Quodcumque in orbeQuodcumque in orbe
  45. 🔍 37% Veni Redemptor gentiumVeni Redemptor gentium
  46. 🔍 37% Felix namque esFelix namque es
  47. 🔍 37% Jam lucis orto sidere (In Quadragesima)Jam lucis orto sidere (In Quadragesima)
  48. 🔍 37% Jam lucis orto sidere (In Tempore Passionis)Jam lucis orto sidere (In Tempore Passionis)
  49. 🔍 37% Legis sacrataeLegis sacratae
  50. 🔍 37% Adoremus in aeternumAdoremus in aeternum
  51. 🔍 37% Jam lucis orto sidere (In tempore Quadragesimae)Jam lucis orto sidere (In tempore Quadragesimae)
  52. 🔍 37% Felix namque esFelix namque es
  53. 🔍 36% Gloria IIGloria II
  54. 🔍 36% In manus tuasIn manus tuas
  55. 🔍 36% Benedictus es DomineBenedictus es Domine
  56. 🔍 36% Inclina cor meumInclina cor meum
  57. 🔍 36% Aspice DomineAspice Domine
  58. 🔍 36% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  59. 🔍 36% Asperges me (ad lib) II.Asperges me (ad lib) II.
  60. 🔍 36% Iste Confessorum Domini (in Feriis tertiis)Iste Confessorum Domini (in Feriis tertiis)
  61. 🔍 36% Ex more docti mysticoEx more docti mystico
  62. 🔍 35% Ad te levaviAd te levavi
  63. 🔍 35% Gloria tibi TrinitasGloria tibi Trinitas
  64. 🔍 35% Inclina cor meumInclina cor meum
  65. 🔍 35% Jam lucis orto sidere (Septem Dolorum)Jam lucis orto sidere (Septem Dolorum)