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% Ostende nobisOstende nobis
  2. 🔍 55% Excita DomineExcita Domine
  3. 🔍 54% Exsultabunt sanctiExsultabunt sancti
  4. 🔍 52% Ab occultis meisAb occultis meis
  5. 🔍 51% In sole posuitIn sole posuit
  6. 🔍 51% Domine Deus virtutumDomine Deus virtutum
  7. 🔍 50% Justus ut palmaJustus ut palma
  8. 🔍 49% Uxor tuaUxor tua
  9. 🔍 49% Ostende nobisOstende nobis
  10. 🔍 49% In omnem terramIn omnem terram
  11. 🔍 48% DispersitDispersit
  12. 🔍 48% RequiemRequiem
  13. 🔍 47% Tollite portasTollite portas
  14. 🔍 47% Tecum principiumTecum principium
  15. 🔍 46% Angelis suisAngelis suis
  16. 🔍 46% Ne avertasNe avertas
  17. 🔍 45% A summo coeloA summo coelo
  18. 🔍 41% Ostende nobisOstende nobis
  19. 🔍 39% Haec dies... DexteraHaec dies... Dextera
  20. 🔍 39% Hodie scietisHodie scietis
  21. 🔍 39% DeriventurDeriventur
  22. 🔍 37% Haec dies... BenedictusHaec dies... Benedictus
  23. 🔍 36% EruditusEruditus
  24. 🔍 36% Justus ut palmaJustus ut palma
  25. 🔍 35% Qui ambulatQui ambulat
  26. 🔍 35% Haec dies... Dicant nuncHaec dies... Dicant nunc
  27. 🔍 35% ExsultabitExsultabit
  28. 🔍 34% In omnem terram (Grad.)In omnem terram (Grad.)
  29. 🔍 34% Exsultabit cor meumExsultabit cor meum
  30. 🔍 34% Ostende nobis DomineOstende nobis Domine
  31. 🔍 33% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  32. 🔍 33% Sacrificent DominoSacrificent Domino
  33. 🔍 33% Domine refugiumDomine refugium
  34. 🔍 32% Ab occultis meisAb occultis meis
  35. 🔍 32% Excita DomineExcita Domine
  36. 🔍 31% Haec dies... BenedictusHaec dies... Benedictus
  37. 🔍 31% Ostende nobisOstende nobis
  38. 🔍 31% A summo caeloA summo caelo
  39. 🔍 31% Ostende nobis DomineOstende nobis Domine
  40. 🔍 31% Haec dies... DexteraHaec dies... Dextera
  41. 🔍 31% Benedic... et renovabiturBenedic... et renovabitur
  42. 🔍 31% DispersitDispersit
  43. 🔍 31% Tollite portasTollite portas
  44. 🔍 31% Tecum principiumTecum principium
  45. 🔍 31% Ne avertasNe avertas
  46. 🔍 31% Uxor tuaUxor tua
  47. 🔍 30% Domine Deus virtutumDomine Deus virtutum
  48. 🔍 30% Benedic... et renovabiturBenedic... et renovabitur
  49. 🔍 30% Haec dies... Dicant nuncHaec dies... Dicant nunc
  50. 🔍 30% Qui ambulatQui ambulat
  51. 🔍 30% DeriventurDeriventur
  52. 🔍 30% Liberabit pauperemLiberabit pauperem
  53. 🔍 30% Haec dies... Dicat nuncHaec dies... Dicat nunc
  54. 🔍 30% Haec dies... ConfiteminiHaec dies... Confitemini
  55. 🔍 30% Requiem (Grad.)Requiem (Grad.)
  56. 🔍 30% In sole posuitIn sole posuit
  57. 🔍 30% Nihil inquinatum (Grad)Nihil inquinatum (Grad)
  58. 🔍 29% Sacerdotes ejusSacerdotes ejus
  59. 🔍 29% RequiemRequiem
  60. 🔍 29% Haec dies... LapidemHaec dies... Lapidem
  61. 🔍 29% Ostende nobisOstende nobis
  62. 🔍 29% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  63. 🔍 28% DispersitDispersit
  64. 🔍 28% Hodie scietisHodie scietis
  65. 🔍 28% Exsultabunt sancti (Grad.)Exsultabunt sancti (Grad.)