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% RequiemRequiem
  2. 🔍 30% RequiemRequiem
  3. 🔍 23% In sole posuitIn sole posuit
  4. 🔍 23% Ab occultis meisAb occultis meis
  5. 🔍 23% Hodie scietisHodie scietis
  6. 🔍 23% Exsultabit cor meumExsultabit cor meum
  7. 🔍 23% Requiem (Grad.)Requiem (Grad.)
  8. 🔍 23% Tollite portasTollite portas
  9. 🔍 23% DispersitDispersit
  10. 🔍 22% Excita DomineExcita Domine
  11. 🔍 21% Requiem (Resp.)Requiem (Resp.)
  12. 🔍 21% DeriventurDeriventur
  13. 🔍 21% Requiem (Ant.)Requiem (Ant.)
  14. 🔍 21% Ostende nobisOstende nobis
  15. 🔍 21% Hodie scietisHodie scietis
  16. 🔍 21% DispersitDispersit
  17. 🔍 20% Tecum principiumTecum principium
  18. 🔍 20% Lux aeternaLux aeterna
  19. 🔍 20% Uxor tuaUxor tua
  20. 🔍 19% Qui ambulatQui ambulat
  21. 🔍 19% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  22. 🔍 19% ExsultabitExsultabit
  23. 🔍 19% Sacerdotes ejusSacerdotes ejus
  24. 🔍 19% A summo caeloA summo caelo
  25. 🔍 19% Requiem (simple)Requiem (simple)
  26. 🔍 19% EruditusEruditus
  27. 🔍 19% Ne avertasNe avertas
  28. 🔍 19% Justus ut palmaJustus ut palma
  29. 🔍 19% Domine Deus virtutumDomine Deus virtutum
  30. 🔍 19% A summo coeloA summo coelo
  31. 🔍 18% In omnem terramIn omnem terram
  32. 🔍 18% Uxor tuaUxor tua
  33. 🔍 18% Lux aeternaLux aeterna
  34. 🔍 18% Hodie scietisHodie scietis
  35. 🔍 18% Ab occultis meisAb occultis meis
  36. 🔍 18% Requiem (Intr.)Requiem (Intr.)
  37. 🔍 18% Domine Deus virtutumDomine Deus virtutum
  38. 🔍 18% Qui ambulatQui ambulat
  39. 🔍 17% Tecum principiumTecum principium
  40. 🔍 17% Nihil inquinatum (Grad)Nihil inquinatum (Grad)
  41. 🔍 17% ReminiscereReminiscere
  42. 🔍 17% Ab occultis meisAb occultis meis
  43. 🔍 17% Exsultabunt sanctiExsultabunt sancti
  44. 🔍 17% Haec dies... BenedictusHaec dies... Benedictus
  45. 🔍 17% Ego dixi DomineEgo dixi Domine
  46. 🔍 17% Tollite portasTollite portas
  47. 🔍 17% Justus ut palmaJustus ut palma
  48. 🔍 17% Exalent eumExalent eum
  49. 🔍 17% Angelis suisAngelis suis
  50. 🔍 17% Haec dies... DexteraHaec dies... Dextera
  51. 🔍 17% RequiemRequiem
  52. 🔍 16% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  53. 🔍 16% In sole posuitIn sole posuit
  54. 🔍 16% Ne avertasNe avertas
  55. 🔍 16% A summo caeloA summo caelo
  56. 🔍 16% Lux aeternaLux aeterna
  57. 🔍 16% Salvos nos facSalvos nos fac
  58. 🔍 16% Nimis honorati suntNimis honorati sunt
  59. 🔍 16% Me exspectaveruntMe exspectaverunt
  60. 🔍 16% In sole posuitIn sole posuit
  61. 🔍 16% Inveni DavidInveni David
  62. 🔍 16% Domine Deus virtutumDomine Deus virtutum
  63. 🔍 16% Haec dies... LapidemHaec dies... Lapidem
  64. 🔍 16% Hodie scietisHodie scietis
  65. 🔍 16% Salvos nos facSalvos nos fac