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% O morsO mors
  2. 🔍 72% O mors ero morsO mors ero mors
  3. 🔍 69% O morsO mors
  4. 🔍 66% O morsO mors
  5. 🔍 62% O morsO mors
  6. 🔍 40% Fortis est ut morsFortis est ut mors
  7. 🔍 28% A porta inferiA porta inferi
  8. 🔍 26% Super omniaSuper omnia
  9. 🔍 26% Pretiosa in conspectu DominiPretiosa in conspectu Domini
  10. 🔍 26% Plangent eumPlangent eum
  11. 🔍 24% O magnum pietatisO magnum pietatis
  12. 🔍 24% Attendite universiAttendite universi
  13. 🔍 23% Super omniaSuper omnia
  14. 🔍 23% Super omniaSuper omnia
  15. 🔍 22% O magnum pietatisO magnum pietatis
  16. 🔍 22% Super omnia lignaSuper omnia ligna
  17. 🔍 22% Super omniaSuper omnia
  18. 🔍 22% Domine magnusDomine magnus
  19. 🔍 22% O magnumO magnum
  20. 🔍 21% O magnum pietatisO magnum pietatis
  21. 🔍 21% O magnum pietatisO magnum pietatis
  22. 🔍 21% Super omnia ligna (T.P.)Super omnia ligna (T.P.)
  23. 🔍 20% O magnum pietatisO magnum pietatis
  24. 🔍 20% Sanctus AntoninusSanctus Antoninus
  25. 🔍 20% Benedicta tu in mulieribusBenedicta tu in mulieribus
  26. 🔍 19% Deus majestatisDeus majestatis
  27. 🔍 19% Exhortatus esExhortatus es
  28. 🔍 19% Deus tu conversusDeus tu conversus
  29. 🔍 19% Aeterne Rex altissimeAeterne Rex altissime
  30. 🔍 19% Tu DomineTu Domine
  31. 🔍 19% Deus meus es tuDeus meus es tu
  32. 🔍 19% Media nocteMedia nocte
  33. 🔍 19% Domine in caeloDomine in caelo
  34. 🔍 19% Popule meusPopule meus
  35. 🔍 18% Pretiosa in conspectu Domini (versiculus solemnis)Pretiosa in conspectu Domini (versiculus solemnis)
  36. 🔍 18% Transit pauperTransit pauper
  37. 🔍 18% Christus resurgensChristus resurgens
  38. 🔍 18% Tu autem DomineTu autem Domine
  39. 🔍 18% In tuo adventuIn tuo adventu
  40. 🔍 18% Sion noli timereSion noli timere
  41. 🔍 18% Petre amas mePetre amas me
  42. 🔍 18% Ecce ancillaEcce ancilla
  43. 🔍 18% IntueminiIntuemini
  44. 🔍 18% Aeterne RexAeterne Rex
  45. 🔍 18% Christus factus estChristus factus est
  46. 🔍 18% Adhaesit... caroAdhaesit... caro
  47. 🔍 18% Christus resurgensChristus resurgens
  48. 🔍 18% Benedicta tu... RosaBenedicta tu... Rosa
  49. 🔍 18% Gaudebo in populo meoGaudebo in populo meo
  50. 🔍 18% Isti sunt SanctiIsti sunt Sancti
  51. 🔍 18% JudicastiJudicasti
  52. 🔍 18% Tu principatumTu principatum
  53. 🔍 17% O mulierO mulier
  54. 🔍 17% Fecit nosFecit nos
  55. 🔍 17% Propter SionPropter Sion
  56. 🔍 17% BenedixistiBenedixisti
  57. 🔍 17% Ave MariaAve Maria
  58. 🔍 17% Veni Domine et noliVeni Domine et noli
  59. 🔍 17% Tu DomineTu Domine
  60. 🔍 17% Inclina cor meumInclina cor meum
  61. 🔍 17% Me suscepitMe suscepit
  62. 🔍 17% Tuam DomineTuam Domine
  63. 🔍 17% Christus resurgensChristus resurgens
  64. 🔍 17% Angustiae mihiAngustiae mihi
  65. 🔍 17% Clamor meusClamor meus