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% Gloria VIIGloria VII
  2. 🔍 76% Gloria XIIIGloria XIII
  3. 🔍 70% Gloria XIIGloria XII
  4. 🔍 70% Gloria IIGloria II
  5. 🔍 69% Gloria XVGloria XV
  6. 🔍 68% Gloria XGloria X
  7. 🔍 68% Gloria IIIGloria III
  8. 🔍 65% Gloria XIGloria XI
  9. 🔍 64% Gloria IVGloria IV
  10. 🔍 64% Gloria IGloria I
  11. 🔍 64% Gloria VIGloria VI
  12. 🔍 63% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  13. 🔍 63% Gloria XIIIGloria XIII
  14. 🔍 63% Gloria VGloria V
  15. 🔍 62% Gloria VIGloria VI
  16. 🔍 61% Gloria VGloria V
  17. 🔍 61% Gloria (Missa Votiva BMV)Gloria (Missa Votiva BMV)
  18. 🔍 60% Gloria XV (forma ordinaria)Gloria XV (forma ordinaria)
  19. 🔍 60% Gloria IIGloria II
  20. 🔍 59% Gloria IGloria I
  21. 🔍 59% Gloria Missa RegiaGloria Missa Regia
  22. 🔍 59% Gloria (Missa secundi Toni)Gloria (Missa secundi Toni)
  23. 🔍 58% Gloria Missa RegiaGloria Missa Regia
  24. 🔍 58% Gloria IIIGloria III
  25. 🔍 57% Gloria IGloria I
  26. 🔍 57% Gloria XIVGloria XIV
  27. 🔍 57% Gloria VIIIGloria VIII
  28. 🔍 57% Gloria VGloria V
  29. 🔍 56% Gloria (Missa Regia I)Gloria (Missa Regia I)
  30. 🔍 55% Gloria IXGloria IX
  31. 🔍 55% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  32. 🔍 55% Gloria (Ambrosian)Gloria (Ambrosian)
  33. 🔍 55% Gloria IVGloria IV
  34. 🔍 52% Gloria IIGloria II
  35. 🔍 52% Gloria IIGloria II
  36. 🔍 49% Gloria (ad lib.) III / III BGloria (ad lib.) III / III B
  37. 🔍 48% Gloria XIGloria XI
  38. 🔍 48% Gloria I.Gloria I.
  39. 🔍 45% Miserere mei... secundumMiserere mei... secundum
  40. 🔍 45% Te nostra laetisTe nostra laetis
  41. 🔍 45% Exsultet caelum laudibus (modus 4)Exsultet caelum laudibus (modus 4)
  42. 🔍 44% Gloria (ad lib.) I.Gloria (ad lib.) I.
  43. 🔍 44% Venite exultemus IV GVenite exultemus IV G
  44. 🔍 43% Qui luce splendesQui luce splendes
  45. 🔍 43% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  46. 🔍 43% Te Deum (tonus monasticus)Te Deum (tonus monasticus)
  47. 🔍 43% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  48. 🔍 43% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  49. 🔍 42% Commune vos apostoliCommune vos apostoli
  50. 🔍 42% Qui luce splendesQui luce splendes
  51. 🔍 42% Gloria III (more ambrosiano)Gloria III (more ambrosiano)
  52. 🔍 42% Te DeumTe Deum
  53. 🔍 42% Cohors beata SeraphimCohors beata Seraphim
  54. 🔍 42% Apostolorum passio diemApostolorum passio diem
  55. 🔍 42% O castitatis signiferO castitatis signifer
  56. 🔍 41% Ex more docti mysticoEx more docti mystico
  57. 🔍 41% Martyr Dei qui unicumMartyr Dei qui unicum
  58. 🔍 41% Crucem tuamCrucem tuam
  59. 🔍 41% Relucens inter principesRelucens inter principes
  60. 🔍 41% Martyr Dei, qui unicumMartyr Dei, qui unicum
  61. 🔍 41% O lux beata TrinitasO lux beata Trinitas
  62. 🔍 41% Gloria VGloria V
  63. 🔍 41% Te Deum PatremTe Deum Patrem
  64. 🔍 40% Immensa et unaImmensa et una
  65. 🔍 40% Praeclara qua tu gloriaPraeclara qua tu gloria