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% Signum magnumSignum magnum
  2. 🔍 59% Probasti DomineProbasti Domine
  3. 🔍 58% Da nobis DeusDa nobis Deus
  4. 🔍 56% In virtute tuaIn virtute tua
  5. 🔍 56% Juravit DominusJuravit Dominus
  6. 🔍 55% In virtute tua (St Louis)In virtute tua (St Louis)
  7. 🔍 54% Signum MagnumSignum Magnum
  8. 🔍 54% Signum MagnumSignum Magnum
  9. 🔍 52% Probasti Domine (Intr.)Probasti Domine (Intr.)
  10. 🔍 51% Puer natus estPuer natus est
  11. 🔍 51% In virtute tuaIn virtute tua
  12. 🔍 50% Erit quasi signumErit quasi signum
  13. 🔍 47% Puer natus estPuer natus est
  14. 🔍 46% Populus SionPopulus Sion
  15. 🔍 45% Erit quasi signumErit quasi signum
  16. 🔍 44% Adjutor et protectorAdjutor et protector
  17. 🔍 44% Oculus DeiOculus Dei
  18. 🔍 43% Venite benedictiVenite benedicti
  19. 🔍 43% Puer natus estPuer natus est
  20. 🔍 41% Viri GalilaeiViri Galilaei
  21. 🔍 40% Eduxit DominusEduxit Dominus
  22. 🔍 39% Puer natus estPuer natus est
  23. 🔍 37% JuravitJuravit
  24. 🔍 37% Oculi meiOculi mei
  25. 🔍 36% Venite benedictiVenite benedicti
  26. 🔍 36% Signum MagnumSignum Magnum
  27. 🔍 35% In virtute tuaIn virtute tua
  28. 🔍 35% Viri GalilaeiViri Galilaei
  29. 🔍 35% Eduxit DominusEduxit Dominus
  30. 🔍 35% Viri GalilaeiViri Galilaei
  31. 🔍 34% Ne derelinquas meNe derelinquas me
  32. 🔍 34% Populus SionPopulus Sion
  33. 🔍 34% Exsultet gaudioExsultet gaudio
  34. 🔍 34% Signum magnumSignum magnum
  35. 🔍 34% Respice DomineRespice Domine
  36. 🔍 33% Audivit DominusAudivit Dominus
  37. 🔍 33% Ne derelinquas meNe derelinquas me
  38. 🔍 33% Oculi meiOculi mei
  39. 🔍 32% Respice DomineRespice Domine
  40. 🔍 32% Laudate DominumLaudate Dominum
  41. 🔍 31% Signum magnumSignum magnum
  42. 🔍 31% Exspecta DominumExspecta Dominum
  43. 🔍 31% Exaudi nosExaudi nos
  44. 🔍 30% Audivit DominusAudivit Dominus
  45. 🔍 30% Exaudi nos DomineExaudi nos Domine
  46. 🔍 30% Cantemus DominoCantemus Domino
  47. 🔍 30% Effusum estEffusum est
  48. 🔍 29% Juravit DominusJuravit Dominus
  49. 🔍 29% Invocabit meInvocabit me
  50. 🔍 29% Vidi aquamVidi aquam
  51. 🔍 29% Benedicite gentesBenedicite gentes
  52. 🔍 29% Benedicite gentesBenedicite gentes
  53. 🔍 29% Mulier amicta soleMulier amicta sole
  54. 🔍 29% Exaudi nos DomineExaudi nos Domine
  55. 🔍 29% Mulier amicta soleMulier amicta sole
  56. 🔍 28% Miserere mihi... ad teMiserere mihi... ad te
  57. 🔍 28% Vidi aquam (ad libitum)Vidi aquam (ad libitum)
  58. 🔍 28% Dilectio DeiDilectio Dei
  59. 🔍 28% Afferte DominoAfferte Domino
  60. 🔍 28% Exspecta DominumExspecta Dominum
  61. 🔍 28% Tolle puerumTolle puerum
  62. 🔍 28% Gloria Patri VIIGloria Patri VII
  63. 🔍 27% Puer natus estPuer natus est
  64. 🔍 27% Adjutor et protectorAdjutor et protector
  65. 🔍 27% Praefatio solemnior de Epiphania DominiPraefatio solemnior de Epiphania Domini