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% O DioO Dio
  2. 🔍 56% OO
  3. 🔍 19% Ave Maria (Salutatio Angelica)Ave Maria (Salutatio Angelica)
  4. 🔍 18%
  5. 🔍 18%
  6. 🔍 18%
  7. 🔍 18%
  8. 🔍 18%
  9. 🔍 18%
  10. 🔍 18%
  11. 🔍 18%
  12. 🔍 18%
  13. 🔍 18%
  14. 🔍 10%
  15. 🔍 10%
  16. 🔍 10%
  17. 🔍 10%
  18. 🔍 10%
  19. 🔍 5%
  20. 🔍 4%
  21. 🔍 4% Lux aeternaLux aeterna
  22. 🔍 3% justumjustum
  23. 🔍 3% beatabeata
  24. 🔍 3% beatabeata
  25. 🔍 3% beatabeata
  26. 🔍 3% beatabeata
  27. 🔍 3% Laetatus sum in hisLaetatus sum in his
  28. 🔍 3% Tu es DeusTu es Deus
  29. 🔍 3% Jubilate DeoJubilate Deo
  30. 🔍 3% beata es virgobeata es virgo
  31. 🔍 3% iustus ut palmaiustus ut palma
  32. 🔍 3%
  33. 🔍 2% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  34. 🔍 2% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  35. 🔍 2% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  36. 🔍 2% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  37. 🔍 2% Alleluia (ant. mode I)Alleluia (ant. mode I)
  38. 🔍 2% Alleluia alleluiaAlleluia alleluia
  39. 🔍 2% Et invocabimusEt invocabimus
  40. 🔍 2% Tu DomineTu Domine
  41. 🔍 2% Laetamini justiLaetamini justi
  42. 🔍 2% Domine nomen tuumDomine nomen tuum
  43. 🔍 2% Inclinavit DominusInclinavit Dominus
  44. 🔍 2% Exaltate DominumExaltate Dominum
  45. 🔍 2% Benedictus DominusBenedictus Dominus
  46. 🔍 2% Benedixisti DomineBenedixisti Domine
  47. 🔍 2%
  48. 🔍 2% Tu DomineTu Domine
  49. 🔍 2% Benedictus DominusBenedictus Dominus
  50. 🔍 2% justum ut pamajustum ut pama
  51. 🔍 2% Domine in virtuteDomine in virtute
  52. 🔍 2% Alleluia (mode 8)Alleluia (mode 8)
  53. 🔍 2% Magnus DominusMagnus Dominus
  54. 🔍 2% Magnus DominusMagnus Dominus
  55. 🔍 2% Bendixisti DomineBendixisti Domine
  56. 🔍 2% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  57. 🔍 2% Domine in virtuteDomine in virtute
  58. 🔍 2% Benedictus DominusBenedictus Dominus
  59. 🔍 2% Audite haecAudite haec
  60. 🔍 2% Ne derelinquasNe derelinquas
  61. 🔍 2% Factus estFactus est
  62. 🔍 2% Lumen ad revelationem (c4 clef)Lumen ad revelationem (c4 clef)
  63. 🔍 2% Deus deorumDeus deorum
  64. 🔍 2% Miserere mei DeusMiserere mei Deus
  65. 🔍 2% Oculi meiOculi mei