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% Ab occultis meisAb occultis meis
  2. 🔍 77% Requiem (Resp.)Requiem (Resp.)
  3. 🔍 75% Domine refugiumDomine refugium
  4. 🔍 74% Justus ut palmaJustus ut palma
  5. 🔍 73% Exsultabunt sanctiExsultabunt sancti
  6. 🔍 72% In sole posuitIn sole posuit
  7. 🔍 71% Excita DomineExcita Domine
  8. 🔍 71% A summo caeloA summo caelo
  9. 🔍 71% Nimis honorati suntNimis honorati sunt
  10. 🔍 69% In omnem terramIn omnem terram
  11. 🔍 68% Tollite portasTollite portas
  12. 🔍 67% Uxor tuaUxor tua
  13. 🔍 67% Ostende nobisOstende nobis
  14. 🔍 65% Exalent eumExalent eum
  15. 🔍 64% DispersitDispersit
  16. 🔍 64% Ne avertasNe avertas
  17. 🔍 62% Haec dies... BenedictusHaec dies... Benedictus
  18. 🔍 59% Haec dies... DexteraHaec dies... Dextera
  19. 🔍 59% Tecum principiumTecum principium
  20. 🔍 57% Hodie scietisHodie scietis
  21. 🔍 56% Domine Deus virtutumDomine Deus virtutum
  22. 🔍 51% Haec dies... ConfiteminiHaec dies... Confitemini
  23. 🔍 49% Haec dies... Dicant nuncHaec dies... Dicant nunc
  24. 🔍 45% Haec dies... Dicat nuncHaec dies... Dicat nunc
  25. 🔍 44% Exsultabit cor meumExsultabit cor meum
  26. 🔍 43% Ab occultis meisAb occultis meis
  27. 🔍 42% Haec dies... BenedictusHaec dies... Benedictus
  28. 🔍 41% RequiemRequiem
  29. 🔍 40% Nimis honorati sunt (Grad.)Nimis honorati sunt (Grad.)
  30. 🔍 40% Haec dies... DexteraHaec dies... Dextera
  31. 🔍 40% Haec diesHaec dies
  32. 🔍 39% Angelis suisAngelis suis
  33. 🔍 39% Haec dies... Dicant nuncHaec dies... Dicant nunc
  34. 🔍 38% Justus ut palmaJustus ut palma
  35. 🔍 37% Misit DominusMisit Dominus
  36. 🔍 37% Tollite portasTollite portas
  37. 🔍 37% Inveni DavidInveni David
  38. 🔍 37% Ab occultis meisAb occultis meis
  39. 🔍 37% Angelis suisAngelis suis
  40. 🔍 37% Domine refugiumDomine refugium
  41. 🔍 37% Speciosus... EructavitSpeciosus... Eructavit
  42. 🔍 37% In omnem terramIn omnem terram
  43. 🔍 36% Ab occultis meisAb occultis meis
  44. 🔍 36% Disposui testamentumDisposui testamentum
  45. 🔍 36% Vidimus stellamVidimus stellam
  46. 🔍 35% Hi suntHi sunt
  47. 🔍 35% Ab occultis meisAb occultis meis
  48. 🔍 35% Benedicta es tu (Grad)Benedicta es tu (Grad)
  49. 🔍 34% Haec dies... ConfiteminiHaec dies... Confitemini
  50. 🔍 34% Dies sanctificatusDies sanctificatus
  51. 🔍 34% Haec dies... Dicant nuncHaec dies... Dicant nunc
  52. 🔍 34% Hic est discipulusHic est discipulus
  53. 🔍 34% Pacifice loquebanturPacifice loquebantur
  54. 🔍 34% Ab occultis meisAb occultis meis
  55. 🔍 34% Video caelosVideo caelos
  56. 🔍 34% Exsurge... fer opemExsurge... fer opem
  57. 🔍 34% Bonum est confiteriBonum est confiteri
  58. 🔍 33% Nimis honorati suntNimis honorati sunt
  59. 🔍 33% Haec dies... LapidemHaec dies... Lapidem
  60. 🔍 33% Hodie scietisHodie scietis
  61. 🔍 32% Oratio meaOratio mea
  62. 🔍 32% Sancti tuiSancti tui
  63. 🔍 32% Nihil inquinatum (Grad)Nihil inquinatum (Grad)
  64. 🔍 32% Haec dies... Dicat nuncHaec dies... Dicat nunc
  65. 🔍 32% Vindica DomineVindica Domine