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% Sanctus IX (forma ordinaria)Sanctus IX (forma ordinaria)
  2. 🔍 76% Sanctus IXSanctus IX
  3. 🔍 54% Sanctus ISanctus I
  4. 🔍 50% Sanctus (Missa secundi Toni)Sanctus (Missa secundi Toni)
  5. 🔍 49% Sanctus VSanctus V
  6. 🔍 49% Sanctus IXSanctus IX
  7. 🔍 48% Sanctus XIVSanctus XIV
  8. 🔍 48% Sanctus XIIISanctus XIII
  9. 🔍 46% Sanctus IIISanctus III
  10. 🔍 45% Sanctus (Missa Votiva BMV)Sanctus (Missa Votiva BMV)
  11. 🔍 45% Sanctus (ad lib.) III.Sanctus (ad lib.) III.
  12. 🔍 44% Sanctus XVSanctus XV
  13. 🔍 44% Sanctus Missa RegiaSanctus Missa Regia
  14. 🔍 43% Sanctus IVSanctus IV
  15. 🔍 43% Sanctus IV.Sanctus IV.
  16. 🔍 43% Sanctus (ad lib.) I.Sanctus (ad lib.) I.
  17. 🔍 42% Sanctus (ad lib.) II.Sanctus (ad lib.) II.
  18. 🔍 42% Sanctus Missa RegiaSanctus Missa Regia
  19. 🔍 42% Sanctus XVISanctus XVI
  20. 🔍 41% Sanctus XI (forma ordinaria)Sanctus XI (forma ordinaria)
  21. 🔍 41% Sanctus XSanctus X
  22. 🔍 41% Sanctus XIIISanctus XIII
  23. 🔍 40% Sanctus I.Sanctus I.
  24. 🔍 40% Sanctus (Missa pro defunctis)Sanctus (Missa pro defunctis)
  25. 🔍 39% Sanctus XISanctus XI
  26. 🔍 39% Sanctus IISanctus II
  27. 🔍 39% Sanctus VSanctus V
  28. 🔍 39% Sanctus III.Sanctus III.
  29. 🔍 37% Sanctus VISanctus VI
  30. 🔍 37% Sanctus XVIIISanctus XVIII
  31. 🔍 37% Sanctus IISanctus II
  32. 🔍 37% Sanctus II.Sanctus II.
  33. 🔍 36% Sanctus VSanctus V
  34. 🔍 36% Sanctus XIISanctus XII
  35. 🔍 36% Sanctus IVSanctus IV
  36. 🔍 36% Sanctus ISanctus I
  37. 🔍 35% Sanctus VSanctus V
  38. 🔍 35% Sanctus III (more ambrosiano)Sanctus III (more ambrosiano)
  39. 🔍 35% Sanctus XISanctus XI
  40. 🔍 35% Sanctus ISanctus I
  41. 🔍 34% Sanctus (Missa Regia I)Sanctus (Missa Regia I)
  42. 🔍 34% Sanctus IIISanctus III
  43. 🔍 34% Sanctus XISanctus XI
  44. 🔍 33% Sanctus IISanctus II
  45. 🔍 33% Sanctus VIISanctus VII
  46. 🔍 29% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  47. 🔍 28% Sanctus VIIISanctus VIII
  48. 🔍 28% Turba multaTurba multa
  49. 🔍 28% Sanctus XIVSanctus XIV
  50. 🔍 28% Hosanna filio DavidHosanna filio David
  51. 🔍 27% Sanctus VIIISanctus VIII
  52. 🔍 27% Sanctus XVIISanctus XVII
  53. 🔍 27% Turba multaTurba multa
  54. 🔍 26% Hosanna filio DavidHosanna filio David
  55. 🔍 25% Hosanna filio DavidHosanna filio David
  56. 🔍 25% Hosanna filio DavidHosanna filio David
  57. 🔍 24% Hosanna in excelsisHosanna in excelsis
  58. 🔍 24% Turba multaTurba multa
  59. 🔍 24% Turba multaTurba multa
  60. 🔍 23% Gloria XV (forma ordinaria)Gloria XV (forma ordinaria)
  61. 🔍 23% Cum appropinquaretCum appropinquaret
  62. 🔍 22% Ad Virginem Dei MatremAd Virginem Dei Matrem
  63. 🔍 22% Gloria XIIIGloria XIII
  64. 🔍 22% Sanctus SanctusSanctus Sanctus
  65. 🔍 22% Gloria VIIIGloria VIII