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: 2025-12-20. 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. 🔍 67% Signum MagnumSignum Magnum
  3. 🔍 67% Signum MagnumSignum Magnum
  4. 🔍 36% Signum magnumSignum magnum
  5. 🔍 31% In virtute tuaIn virtute tua
  6. 🔍 26% Effusum estEffusum est
  7. 🔍 26% In virtute tuaIn virtute tua
  8. 🔍 24% Signum magnumSignum magnum
  9. 🔍 24% Puer natus estPuer natus est
  10. 🔍 23% In virtute tua (St Louis)In virtute tua (St Louis)
  11. 🔍 23% Puer natus estPuer natus est
  12. 🔍 23% Da nobis DeusDa nobis Deus
  13. 🔍 23% In virtute tuaIn virtute tua
  14. 🔍 22% Mulier amicta soleMulier amicta sole
  15. 🔍 22% Puer natus estPuer natus est
  16. 🔍 22% Puer natus estPuer natus est
  17. 🔍 22% Probasti Domine (Intr.)Probasti Domine (Intr.)
  18. 🔍 22% JuravitJuravit
  19. 🔍 21% Erit quasi signumErit quasi signum
  20. 🔍 21% Signum magnumSignum magnum
  21. 🔍 21% Audi benigne Conditor Audi benigne Conditor
  22. 🔍 21% Audi Benigne ConditorAudi Benigne Conditor
  23. 🔍 20% Erit quasi signumErit quasi signum
  24. 🔍 20% LaetenturLaetentur
  25. 🔍 20% Mulier amicta soleMulier amicta sole
  26. 🔍 20% Audi benigne conditorAudi benigne conditor
  27. 🔍 20% Vidi aquamVidi aquam
  28. 🔍 20% Te DeumTe Deum
  29. 🔍 20% Vidi aquamVidi aquam
  30. 🔍 20% Eram quasi AgnusEram quasi Agnus
  31. 🔍 20% Te DeumTe Deum
  32. 🔍 20% Isti sunt duae olivaeIsti sunt duae olivae
  33. 🔍 20% Venite benedictiVenite benedicti
  34. 🔍 20% Laudate DominumLaudate Dominum
  35. 🔍 20% Te DeumTe Deum
  36. 🔍 19% Venite exsultemus (mode 7a solemnis)Venite exsultemus (mode 7a solemnis)
  37. 🔍 19% Miserere mihi... ad teMiserere mihi... ad te
  38. 🔍 19% Audi benigne ConditorAudi benigne Conditor
  39. 🔍 19% Missus est... AngelusMissus est... Angelus
  40. 🔍 19% Puer natus estPuer natus est
  41. 🔍 19% Viri GalilaeiViri Galilaei
  42. 🔍 19% Te Matrem laudamusTe Matrem laudamus
  43. 🔍 19% Gloria IIIGloria III
  44. 🔍 19% Gloria VGloria V
  45. 🔍 19% Gloria XIGloria XI
  46. 🔍 19% Hic est dies praeclarus (Resp.)Hic est dies praeclarus (Resp.)
  47. 🔍 18% Celsa potestasCelsa potestas
  48. 🔍 18% Mulier amicta soleMulier amicta sole
  49. 🔍 18% Felix per omnesFelix per omnes
  50. 🔍 18% Eduxit DominusEduxit Dominus
  51. 🔍 18% Te DeumTe Deum
  52. 🔍 18% O beata MaterO beata Mater
  53. 🔍 18% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  54. 🔍 18% Eduxit DominusEduxit Dominus
  55. 🔍 18% O lux beata CaelitumO lux beata Caelitum
  56. 🔍 18% O lux beata CaelitumO lux beata Caelitum
  57. 🔍 18% Mulier amicta soleMulier amicta sole
  58. 🔍 18% Aeterne sol qui lumineAeterne sol qui lumine
  59. 🔍 18% Dilectio DeiDilectio Dei
  60. 🔍 18% Dilectio DeiDilectio Dei
  61. 🔍 18% Probasti DomineProbasti Domine
  62. 🔍 18% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  63. 🔍 18% Invocabit meInvocabit me
  64. 🔍 18% Beati estisBeati estis
  65. 🔍 18% O lux beata CaelitumO lux beata Caelitum