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% Sanctus IV.Sanctus IV.
  2. 🔍 54% Sanctus I.Sanctus I.
  3. 🔍 48% Sanctus III.Sanctus III.
  4. 🔍 46% Sanctus ISanctus I
  5. 🔍 46% Sanctus (Missa secundi Toni)Sanctus (Missa secundi Toni)
  6. 🔍 46% Sanctus XIIISanctus XIII
  7. 🔍 44% Sanctus II.Sanctus II.
  8. 🔍 43% Sanctus IX (forma ordinaria)Sanctus IX (forma ordinaria)
  9. 🔍 42% Sanctus IIISanctus III
  10. 🔍 42% Sanctus IVSanctus IV
  11. 🔍 42% Sanctus VSanctus V
  12. 🔍 41% Sanctus XVSanctus XV
  13. 🔍 41% Sanctus XIVSanctus XIV
  14. 🔍 40% Sanctus (ad lib.) III.Sanctus (ad lib.) III.
  15. 🔍 40% Sanctus Missa RegiaSanctus Missa Regia
  16. 🔍 40% Sanctus (Missa Votiva BMV)Sanctus (Missa Votiva BMV)
  17. 🔍 40% Sanctus XVISanctus XVI
  18. 🔍 40% Sanctus (ad lib.) I.Sanctus (ad lib.) I.
  19. 🔍 40% Sanctus (Missa pro defunctis)Sanctus (Missa pro defunctis)
  20. 🔍 39% Sanctus (ad lib.) II.Sanctus (ad lib.) II.
  21. 🔍 39% Sanctus Missa RegiaSanctus Missa Regia
  22. 🔍 39% Sanctus IXSanctus IX
  23. 🔍 38% Sanctus XISanctus XI
  24. 🔍 37% Sanctus IVSanctus IV
  25. 🔍 37% Sanctus XSanctus X
  26. 🔍 36% Sanctus XISanctus XI
  27. 🔍 36% Sanctus (Missa Regia I)Sanctus (Missa Regia I)
  28. 🔍 36% Sanctus XIIISanctus XIII
  29. 🔍 36% Sanctus ISanctus I
  30. 🔍 35% Sanctus XI (forma ordinaria)Sanctus XI (forma ordinaria)
  31. 🔍 35% Sanctus IISanctus II
  32. 🔍 35% Sanctus VISanctus VI
  33. 🔍 35% Sanctus VIISanctus VII
  34. 🔍 35% Sanctus III (more ambrosiano)Sanctus III (more ambrosiano)
  35. 🔍 34% Agnus II.Agnus II.
  36. 🔍 34% Sanctus XISanctus XI
  37. 🔍 34% Sanctus XIISanctus XII
  38. 🔍 33% Sanctus VSanctus V
  39. 🔍 33% Sanctus IISanctus II
  40. 🔍 33% Sanctus XVIIISanctus XVIII
  41. 🔍 33% Sanctus ISanctus I
  42. 🔍 31% Sanctus IIISanctus III
  43. 🔍 30% Sanctus VSanctus V
  44. 🔍 30% Sanctus VSanctus V
  45. 🔍 30% Sanctus XIXSanctus XIX
  46. 🔍 29% Agnus I.Agnus I.
  47. 🔍 29% Sanctus IISanctus II
  48. 🔍 28% Hosanna filio DavidHosanna filio David
  49. 🔍 28% Hosanna filio DavidHosanna filio David
  50. 🔍 27% Turba multaTurba multa
  51. 🔍 27% Sanctus VIIISanctus VIII
  52. 🔍 27% Turba multaTurba multa
  53. 🔍 27% Hosanna filio DavidHosanna filio David
  54. 🔍 26% Mysterium EcclesiaeMysterium Ecclesiae
  55. 🔍 26% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  56. 🔍 26% Hosanna filio DavidHosanna filio David
  57. 🔍 25% Turba multaTurba multa
  58. 🔍 25% Hosanna in excelsisHosanna in excelsis
  59. 🔍 25% Sanctus VIIISanctus VIII
  60. 🔍 24% Turba multaTurba multa
  61. 🔍 24% Gloria I.Gloria I.
  62. 🔍 24% Gloria VGloria V
  63. 🔍 24% Sanctus XIVSanctus XIV
  64. 🔍 24% Doctori gentium!Doctori gentium!
  65. 🔍 23% Sanctus XVIISanctus XVII