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 IVSanctus IV
  2. 🔍 70% Sanctus IISanctus II
  3. 🔍 70% Sanctus (Missa pro defunctis)Sanctus (Missa pro defunctis)
  4. 🔍 68% Sanctus III (more ambrosiano)Sanctus III (more ambrosiano)
  5. 🔍 68% Sanctus ISanctus I
  6. 🔍 65% Sanctus XIIISanctus XIII
  7. 🔍 62% Sanctus VSanctus V
  8. 🔍 61% Sanctus XISanctus XI
  9. 🔍 61% Sanctus VIIISanctus VIII
  10. 🔍 56% Sanctus (Missa Regia I)Sanctus (Missa Regia I)
  11. 🔍 56% Sanctus XI (forma ordinaria)Sanctus XI (forma ordinaria)
  12. 🔍 53% Sanctus XIVSanctus XIV
  13. 🔍 52% Sanctus XIIISanctus XIII
  14. 🔍 52% Sanctus (Missa secundi Toni)Sanctus (Missa secundi Toni)
  15. 🔍 48% Sanctus (Missa Votiva BMV)Sanctus (Missa Votiva BMV)
  16. 🔍 48% Sanctus IIISanctus III
  17. 🔍 48% Sanctus (ad lib.) I.Sanctus (ad lib.) I.
  18. 🔍 47% Sanctus XVISanctus XVI
  19. 🔍 47% Sanctus III.Sanctus III.
  20. 🔍 47% Sanctus Missa RegiaSanctus Missa Regia
  21. 🔍 46% Sanctus XVSanctus XV
  22. 🔍 46% Sanctus I.Sanctus I.
  23. 🔍 45% Sanctus (ad lib.) III.Sanctus (ad lib.) III.
  24. 🔍 45% Sanctus Missa RegiaSanctus Missa Regia
  25. 🔍 44% Hosanna filio DavidHosanna filio David
  26. 🔍 44% Sanctus XSanctus X
  27. 🔍 43% Sanctus IX (forma ordinaria)Sanctus IX (forma ordinaria)
  28. 🔍 43% Hosanna in excelsisHosanna in excelsis
  29. 🔍 42% Sanctus (ad lib.) II.Sanctus (ad lib.) II.
  30. 🔍 42% Sanctus IV.Sanctus IV.
  31. 🔍 42% Sanctus XVIIISanctus XVIII
  32. 🔍 42% Sanctus VISanctus VI
  33. 🔍 41% Sanctus VSanctus V
  34. 🔍 41% Sanctus II.Sanctus II.
  35. 🔍 41% Sanctus XIISanctus XII
  36. 🔍 40% Turba multaTurba multa
  37. 🔍 40% Sanctus XISanctus XI
  38. 🔍 39% Sanctus IVSanctus IV
  39. 🔍 39% Sanctus ISanctus I
  40. 🔍 38% Sanctus ISanctus I
  41. 🔍 37% Sanctus XISanctus XI
  42. 🔍 37% Sanctus VSanctus V
  43. 🔍 37% Hosanna filio DavidHosanna filio David
  44. 🔍 36% Sanctus IISanctus II
  45. 🔍 35% Sanctus IISanctus II
  46. 🔍 35% Sanctus XIXSanctus XIX
  47. 🔍 35% Sanctus IIISanctus III
  48. 🔍 35% Turba multaTurba multa
  49. 🔍 34% Sanctus IXSanctus IX
  50. 🔍 33% Sanctus VIISanctus VII
  51. 🔍 33% Sanctus VSanctus V
  52. 🔍 33% Turba multaTurba multa
  53. 🔍 33% Hosanna filio DavidHosanna filio David
  54. 🔍 33% Hosanna filio DavidHosanna filio David
  55. 🔍 32% Pueri Hebraeorum vestimentaPueri Hebraeorum vestimenta
  56. 🔍 31% Turba multaTurba multa
  57. 🔍 31% Hymnus Te DeumHymnus Te Deum
  58. 🔍 30% Sanctus VIIISanctus VIII
  59. 🔍 30% Turba multaTurba multa
  60. 🔍 29% Te DeumTe Deum
  61. 🔍 29% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  62. 🔍 29% Te DeumTe Deum
  63. 🔍 28% Te DeumTe Deum
  64. 🔍 28% Gloria XIIIGloria XIII
  65. 🔍 28% Gloria VGloria V