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