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% Jesu decus angelicumJesu decus angelicum
  2. 🔍 84% Jesu decus angelicumJesu decus angelicum
  3. 🔍 59% Jesu decus angelicumJesu decus angelicum
  4. 🔍 49% Jesu dulcis memoria!Jesu dulcis memoria!
  5. 🔍 42% Jesu decusJesu decus
  6. 🔍 40% Quicumque certumQuicumque certum
  7. 🔍 36% Gloria IIGloria II
  8. 🔍 35% Summae Deus clementiae septemSummae Deus clementiae septem
  9. 🔍 35% Miserere mei... secundumMiserere mei... secundum
  10. 🔍 35% Laetare caelum desuperLaetare caelum desuper
  11. 🔍 33% Venite exultemus IV GVenite exultemus IV G
  12. 🔍 33% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  13. 🔍 33% Gloria XIIIGloria XIII
  14. 🔍 33% Invicte Martyr unicumInvicte Martyr unicum
  15. 🔍 33% Immensa et unaImmensa et una
  16. 🔍 33% O castitatis signiferO castitatis signifer
  17. 🔍 33% Martyr Dei, qui unicumMartyr Dei, qui unicum
  18. 🔍 33% Adoro te devoteAdoro te devote
  19. 🔍 33% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  20. 🔍 33% Invicte MartyrInvicte Martyr
  21. 🔍 32% Jam sol receditJam sol recedit
  22. 🔍 32% Maria Mater gratiae (cantus III)Maria Mater gratiae (cantus III)
  23. 🔍 32% Ave verumAve verum
  24. 🔍 32% Summae Deus clementiae septemSummae Deus clementiae septem
  25. 🔍 32% Venite exsultemus IV**Venite exsultemus IV**
  26. 🔍 32% Tu Trinitatis UnitasTu Trinitatis Unitas
  27. 🔍 32% Ave lumenAve lumen
  28. 🔍 31% Jam sol receditJam sol recedit
  29. 🔍 31% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  30. 🔍 31% Credo IICredo II
  31. 🔍 31% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  32. 🔍 31% O lux beata TrinitasO lux beata Trinitas
  33. 🔍 31% O lux beata TrinitasO lux beata Trinitas
  34. 🔍 31% Tu Trinitatis UnitasTu Trinitatis Unitas
  35. 🔍 31% Quod chorus vatumQuod chorus vatum
  36. 🔍 31% Christe qui splendor (in festis)Christe qui splendor (in festis)
  37. 🔍 31% Audit tyrannus anxiusAudit tyrannus anxius
  38. 🔍 31% Legis sacrataeLegis sacratae
  39. 🔍 30% Summae Deus clementiaeSummae Deus clementiae
  40. 🔍 30% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  41. 🔍 30% Quodcumque in orbeQuodcumque in orbe
  42. 🔍 30% Gloria VIIGloria VII
  43. 🔍 30% Jam sol recedit igneusJam sol recedit igneus
  44. 🔍 30% Hymnus Te DeumHymnus Te Deum
  45. 🔍 30% Venite Exultemus DominoVenite Exultemus Domino
  46. 🔍 30% Venite Exultemus DominoVenite Exultemus Domino
  47. 🔍 30% Solis obliquum (S. Rita)Solis obliquum (S. Rita)
  48. 🔍 30% Jesu auctor clementiaeJesu auctor clementiae
  49. 🔍 30% Tu Trinitatis unitasTu Trinitatis unitas
  50. 🔍 30% Ex more docti mysticoEx more docti mystico
  51. 🔍 30% Omnis expertemOmnis expertem
  52. 🔍 30% Martyr Dei qui unicumMartyr Dei qui unicum
  53. 🔍 30% Te Deum (sec. mor. Rom.)Te Deum (sec. mor. Rom.)
  54. 🔍 29% Iste Confessor (Conf. Bishop) 3Iste Confessor (Conf. Bishop) 3
  55. 🔍 29% Venite exultemus DominoVenite exultemus Domino
  56. 🔍 29% Te lucis ante terminum (In Festis Majoribus)Te lucis ante terminum (In Festis Majoribus)
  57. 🔍 29% Summae Deus clemtiaeSummae Deus clemtiae
  58. 🔍 29% Te Matrem laudamusTe Matrem laudamus
  59. 🔍 29% Te Deum (Solemn tone)Te Deum (Solemn tone)
  60. 🔍 29% Venite exsultemus (mode 4g festivus)Venite exsultemus (mode 4g festivus)
  61. 🔍 29% Gloria IIGloria II
  62. 🔍 29% Qui te posthabitisQui te posthabitis
  63. 🔍 29% Ex more docti mysticoEx more docti mystico
  64. 🔍 29% Custodes hominumCustodes hominum
  65. 🔍 29% Jesu dulcisJesu dulcis