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. 🔍 70% Justus ut palmaJustus ut palma
  3. 🔍 69% Ab occultis meisAb occultis meis
  4. 🔍 66% Uxor tuaUxor tua
  5. 🔍 61% In omnem terramIn omnem terram
  6. 🔍 60% Exsultabunt sanctiExsultabunt sancti
  7. 🔍 59% DispersitDispersit
  8. 🔍 53% DeriventurDeriventur
  9. 🔍 51% A summo coeloA summo coelo
  10. 🔍 51% Qui ambulatQui ambulat
  11. 🔍 49% Angelis suisAngelis suis
  12. 🔍 49% Tecum principiumTecum principium
  13. 🔍 48% Ostende nobisOstende nobis
  14. 🔍 46% Requiem (Grad.)Requiem (Grad.)
  15. 🔍 45% Domine Deus virtutumDomine Deus virtutum
  16. 🔍 45% Tollite portasTollite portas
  17. 🔍 45% Ne avertasNe avertas
  18. 🔍 45% Excita DomineExcita Domine
  19. 🔍 43% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  20. 🔍 42% Hodie scietisHodie scietis
  21. 🔍 40% Exsultabit cor meumExsultabit cor meum
  22. 🔍 39% Haec dies... BenedictusHaec dies... Benedictus
  23. 🔍 38% Ab occultis meisAb occultis meis
  24. 🔍 38% In sole posuitIn sole posuit
  25. 🔍 37% Justus ut palmaJustus ut palma
  26. 🔍 36% Haec dies... Dicant nuncHaec dies... Dicant nunc
  27. 🔍 36% ExsultabitExsultabit
  28. 🔍 36% EruditusEruditus
  29. 🔍 35% RequiemRequiem
  30. 🔍 35% Sacrificent DominoSacrificent Domino
  31. 🔍 35% Nihil inquinatum (Grad)Nihil inquinatum (Grad)
  32. 🔍 35% Domine refugiumDomine refugium
  33. 🔍 35% A summo caeloA summo caelo
  34. 🔍 35% DispersitDispersit
  35. 🔍 35% In omnem terram (Grad.)In omnem terram (Grad.)
  36. 🔍 35% Tollite portasTollite portas
  37. 🔍 34% Excita DomineExcita Domine
  38. 🔍 34% Uxor tuaUxor tua
  39. 🔍 34% DispersitDispersit
  40. 🔍 34% DeriventurDeriventur
  41. 🔍 33% Requiem (Resp.)Requiem (Resp.)
  42. 🔍 33% Haec dies... DexteraHaec dies... Dextera
  43. 🔍 33% Liberabit pauperemLiberabit pauperem
  44. 🔍 33% Hodie scietisHodie scietis
  45. 🔍 33% In sole posuitIn sole posuit
  46. 🔍 33% Tecum principiumTecum principium
  47. 🔍 33% Hodie scietisHodie scietis
  48. 🔍 33% Ne avertasNe avertas
  49. 🔍 32% Qui ambulatQui ambulat
  50. 🔍 32% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  51. 🔍 31% DispersitDispersit
  52. 🔍 31% Exalent eumExalent eum
  53. 🔍 30% Angelis suisAngelis suis
  54. 🔍 30% Haec dies... DexteraHaec dies... Dextera
  55. 🔍 30% Ostende nobisOstende nobis
  56. 🔍 30% RequiemRequiem
  57. 🔍 30% Haec dies... BenedictusHaec dies... Benedictus
  58. 🔍 30% Haec dies... LapidemHaec dies... Lapidem
  59. 🔍 30% Tecum principiumTecum principium
  60. 🔍 29% Domine Deus virtutumDomine Deus virtutum
  61. 🔍 29% Domine refugiumDomine refugium
  62. 🔍 29% Domine Deus virtutumDomine Deus virtutum
  63. 🔍 29% Hodie scietisHodie scietis
  64. 🔍 29% Uxor Tua (Spanish)Uxor Tua (Spanish)
  65. 🔍 29% Uxor tuaUxor tua