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% Jam ChristeJam Christe
  2. 🔍 29% Ecce jam venitEcce jam venit
  3. 🔍 27% Ecce quod concupiviEcce quod concupivi
  4. 🔍 25% Ecce jam venitEcce jam venit
  5. 🔍 25% Ecce jamEcce jam
  6. 🔍 25% Ecce jam venitEcce jam venit
  7. 🔍 24% Jam lucis orto sidereJam lucis orto sidere
  8. 🔍 24% Jam lucis orto sidereJam lucis orto sidere
  9. 🔍 24% Jam ChristeJam Christe
  10. 🔍 24% Jam lucis orto sidereJam lucis orto sidere
  11. 🔍 24% Ecce jamEcce jam
  12. 🔍 23% Hoc jam tertioHoc jam tertio
  13. 🔍 23% Lux de luceLux de luce
  14. 🔍 22% Ecce jam venitEcce jam venit
  15. 🔍 22% Requiem (Ant.)Requiem (Ant.)
  16. 🔍 22% Iam ChristeIam Christe
  17. 🔍 22% Jam toto subitusJam toto subitus
  18. 🔍 22% Ecce jam noctisEcce jam noctis
  19. 🔍 22% Christe Fili Dei vivi (per Annum)Christe Fili Dei vivi (per Annum)
  20. 🔍 21% Christe Fili DeiChriste Fili Dei
  21. 🔍 21% Jesu Christe... allel.Jesu Christe... allel.
  22. 🔍 21% Ego sum luxEgo sum lux
  23. 🔍 21% Ego enim jam deliborEgo enim jam delibor
  24. 🔍 21% Jam toto subitusJam toto subitus
  25. 🔍 21% Jam toto subitusJam toto subitus
  26. 🔍 21% Jam lucis orto sidere (Tempore Nativitatis)Jam lucis orto sidere (Tempore Nativitatis)
  27. 🔍 20% Gaude Mater EcclesiaGaude Mater Ecclesia
  28. 🔍 20% Jam hiemsJam hiems
  29. 🔍 20% Jam morte victorJam morte victor
  30. 🔍 20% Martyr Dei (I)Martyr Dei (I)
  31. 🔍 20% Ad cenamAd cenam
  32. 🔍 20% Jam noctisJam noctis
  33. 🔍 20% Voce jucunditatisVoce jucunditatis
  34. 🔍 20% Per arma justitiaePer arma justitiae
  35. 🔍 20% Jam Christus astraJam Christus astra
  36. 🔍 20% Beatus LaurentiusBeatus Laurentius
  37. 🔍 19% Ecce jam noctis tenuaturEcce jam noctis tenuatur
  38. 🔍 19% Jam sol receditJam sol recedit
  39. 🔍 19% Qua Christus hora sitiitQua Christus hora sitiit
  40. 🔍 19% Nocte jam pulsaNocte jam pulsa
  41. 🔍 19% Rerum supremo Rerum supremo
  42. 🔍 19% Te Deum PatremTe Deum Patrem
  43. 🔍 19% Summi Parentis FilioSummi Parentis Filio
  44. 🔍 19% Jam sol recedit igneusJam sol recedit igneus
  45. 🔍 19% Christe Fili Dei viviChriste Fili Dei vivi
  46. 🔍 19% Jam bone pastorJam bone pastor
  47. 🔍 19% Te Joseph celebrent (I)Te Joseph celebrent (I)
  48. 🔍 18% Jam toto subitusJam toto subitus
  49. 🔍 18% Lux o decora patriaeLux o decora patriae
  50. 🔍 18% Ternis ter horisTernis ter horis
  51. 🔍 18% Si diligeretis meSi diligeretis me
  52. 🔍 18% Jam sol receditJam sol recedit
  53. 🔍 18% Oremus omnesOremus omnes
  54. 🔍 18% Exsultet caelum (III)Exsultet caelum (III)
  55. 🔍 18% Jesu ChristeJesu Christe
  56. 🔍 18% Ecce quod concupiviEcce quod concupivi
  57. 🔍 18% Sol et lunaSol et luna
  58. 🔍 18% Erumpant montesErumpant montes
  59. 🔍 18% Jam hiems transiitJam hiems transiit
  60. 🔍 18% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  61. 🔍 18% Lux perpetuaLux perpetua
  62. 🔍 18% PraeclaraPraeclara
  63. 🔍 18% Deduc meDeduc me
  64. 🔍 18% Petre sol terrisPetre sol terris
  65. 🔍 18% Omnis expertemOmnis expertem