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%
  2. 🔍 100%
  3. 🔍 100%
  4. 🔍 100%
  5. 🔍 100%
  6. 🔍 100%
  7. 🔍 100%
  8. 🔍 100%
  9. 🔍 100%
  10. 🔍 100%
  11. 🔍 56%
  12. 🔍 56%
  13. 🔍 56%
  14. 🔍 56%
  15. 🔍 56%
  16. 🔍 27%
  17. 🔍 21%
  18. 🔍 20% Lux aeternaLux aeterna
  19. 🔍 18% O DioO Dio
  20. 🔍 17% justumjustum
  21. 🔍 15% beatabeata
  22. 🔍 15% beatabeata
  23. 🔍 15% beatabeata
  24. 🔍 15% beatabeata
  25. 🔍 15% Laetatus sum in hisLaetatus sum in his
  26. 🔍 14% Tu es DeusTu es Deus
  27. 🔍 14% Jubilate DeoJubilate Deo
  28. 🔍 14% beata es virgobeata es virgo
  29. 🔍 14% iustus ut palmaiustus ut palma
  30. 🔍 14%
  31. 🔍 13% Alleluia (ant. mode 8)Alleluia (ant. mode 8)
  32. 🔍 13% Alleluia (ant. mode 6)Alleluia (ant. mode 6)
  33. 🔍 13% Alleluia (ant. mode 4)Alleluia (ant. mode 4)
  34. 🔍 13% Alleluia (ant. mode 3)Alleluia (ant. mode 3)
  35. 🔍 13% Alleluia (ant. mode I)Alleluia (ant. mode I)
  36. 🔍 13% Alleluia alleluiaAlleluia alleluia
  37. 🔍 13% Et invocabimusEt invocabimus
  38. 🔍 13% Tu DomineTu Domine
  39. 🔍 13% Laetamini justiLaetamini justi
  40. 🔍 13% Domine nomen tuumDomine nomen tuum
  41. 🔍 13% Inclinavit DominusInclinavit Dominus
  42. 🔍 12% Exaltate DominumExaltate Dominum
  43. 🔍 12% Benedictus DominusBenedictus Dominus
  44. 🔍 12% Benedixisti DomineBenedixisti Domine
  45. 🔍 12%
  46. 🔍 12% Tu DomineTu Domine
  47. 🔍 12% Benedictus DominusBenedictus Dominus
  48. 🔍 12% justum ut pamajustum ut pama
  49. 🔍 12% Domine in virtuteDomine in virtute
  50. 🔍 12% Alleluia (mode 8)Alleluia (mode 8)
  51. 🔍 12% Magnus DominusMagnus Dominus
  52. 🔍 12% Magnus DominusMagnus Dominus
  53. 🔍 11% Bendixisti DomineBendixisti Domine
  54. 🔍 11% Alleluia alleluia (Dom. ad Laudes)Alleluia alleluia (Dom. ad Laudes)
  55. 🔍 11% Domine in virtuteDomine in virtute
  56. 🔍 11% Benedictus DominusBenedictus Dominus
  57. 🔍 11% Audite haecAudite haec
  58. 🔍 11% Ne derelinquasNe derelinquas
  59. 🔍 11% Factus estFactus est
  60. 🔍 11% Lumen ad revelationem (c4 clef)Lumen ad revelationem (c4 clef)
  61. 🔍 11% Deus deorumDeus deorum
  62. 🔍 11% Miserere mei DeusMiserere mei Deus
  63. 🔍 11% Oculi meiOculi mei
  64. 🔍 11% In ecclesiisIn ecclesiis
  65. 🔍 11% Clamor meusClamor meus