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 IGloria I
  2. 🔍 71% Gloria VIGloria VI
  3. 🔍 64% Gloria IIGloria II
  4. 🔍 64% Gloria XIIIGloria XIII
  5. 🔍 64% Gloria XVGloria XV
  6. 🔍 63% Gloria IGloria I
  7. 🔍 63% Gloria IVGloria IV
  8. 🔍 62% Gloria XIIGloria XII
  9. 🔍 62% Gloria XIIIGloria XIII
  10. 🔍 60% Gloria XV (forma ordinaria)Gloria XV (forma ordinaria)
  11. 🔍 60% Gloria IIGloria II
  12. 🔍 59% Gloria VIIGloria VII
  13. 🔍 59% Gloria (Missa Votiva BMV)Gloria (Missa Votiva BMV)
  14. 🔍 58% Gloria VGloria V
  15. 🔍 58% Gloria XGloria X
  16. 🔍 57% Gloria (Missa secundi Toni)Gloria (Missa secundi Toni)
  17. 🔍 56% Gloria VGloria V
  18. 🔍 56% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  19. 🔍 56% Gloria (Missa Regia I)Gloria (Missa Regia I)
  20. 🔍 55% Gloria IVGloria IV
  21. 🔍 54% Gloria IIIGloria III
  22. 🔍 53% Gloria Missa RegiaGloria Missa Regia
  23. 🔍 52% Gloria Missa RegiaGloria Missa Regia
  24. 🔍 51% Gloria XIGloria XI
  25. 🔍 50% Gloria VGloria V
  26. 🔍 50% Gloria IIIGloria III
  27. 🔍 50% Gloria XI (forma ordinaria)Gloria XI (forma ordinaria)
  28. 🔍 49% Gloria VIIIGloria VIII
  29. 🔍 49% Gloria VIGloria VI
  30. 🔍 49% Gloria (Ambrosian)Gloria (Ambrosian)
  31. 🔍 48% Gloria XIVGloria XIV
  32. 🔍 48% Gloria IXGloria IX
  33. 🔍 46% Festum celebre martyrisFestum celebre martyris
  34. 🔍 45% Gloria IGloria I
  35. 🔍 44% Candor aeternaeCandor aeternae
  36. 🔍 44% Gloria XIGloria XI
  37. 🔍 44% Gloria IIGloria II
  38. 🔍 43% In martyris LaurentiiIn martyris Laurentii
  39. 🔍 42% Gloria IIGloria II
  40. 🔍 42% Miserere et parceMiserere et parce
  41. 🔍 42% Iam ChristusIam Christus
  42. 🔍 42% O rex aeterne DomineO rex aeterne Domine
  43. 🔍 41% Jam Christus astraJam Christus astra
  44. 🔍 41% Agnus Dei XI (forma ordinaria)Agnus Dei XI (forma ordinaria)
  45. 🔍 40% Gloria III (more ambrosiano)Gloria III (more ambrosiano)
  46. 🔍 40% Litaniae CordisLitaniae Cordis
  47. 🔍 40% Te Deum PatremTe Deum Patrem
  48. 🔍 40% Gloria (ad lib.) I.Gloria (ad lib.) I.
  49. 🔍 39% Ex more docti mysticoEx more docti mystico
  50. 🔍 39% Ecce jam noctisEcce jam noctis
  51. 🔍 39% Gloria I.Gloria I.
  52. 🔍 39% Te Deum (Simple tone)Te Deum (Simple tone)
  53. 🔍 38% En martyris LaurentiiEn martyris Laurentii
  54. 🔍 38% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  55. 🔍 38% Hymnus Te DeumHymnus Te Deum
  56. 🔍 38% Dum tuas festoDum tuas festo
  57. 🔍 38% Te Deum (sec. mor. Rom)Te Deum (sec. mor. Rom)
  58. 🔍 37% Ante thronum TrinitatisAnte thronum Trinitatis
  59. 🔍 37% Agnus IAgnus I
  60. 🔍 37% Te DeumTe Deum
  61. 🔍 37% Te DeumTe Deum
  62. 🔍 37% Miserere mei... secundumMiserere mei... secundum
  63. 🔍 37% Te nostra laetisTe nostra laetis
  64. 🔍 37% Haec est diesHaec est dies
  65. 🔍 37% Agnus Dei XIAgnus Dei XI