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% Tantum ergo SacramentumTantum ergo Sacramentum
  2. 🔍 68% Tantum ergoTantum ergo
  3. 🔍 67% Tantum ergoTantum ergo
  4. 🔍 67% Tantum ergo XITantum ergo XI
  5. 🔍 67% Tantum ergo VIIITantum ergo VIII
  6. 🔍 67% Tantum ergo (cantus V)Tantum ergo (cantus V)
  7. 🔍 66% Tantum ergo VITantum ergo VI
  8. 🔍 66% Tantum ergo. IITantum ergo. II
  9. 🔍 65% Tantum ergoTantum ergo
  10. 🔍 65% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  11. 🔍 64% Tantum ergo ITantum ergo I
  12. 🔍 64% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  13. 🔍 64% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  14. 🔍 63% Tantum ergo VTantum ergo V
  15. 🔍 63% Tantum ergo.Tantum ergo.
  16. 🔍 63% Tantum ergo VIITantum ergo VII
  17. 🔍 62% Tantum ergo IXTantum ergo IX
  18. 🔍 62% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  19. 🔍 62% Tantum ergoTantum ergo
  20. 🔍 61% Tantum ergo XIIITantum ergo XIII
  21. 🔍 61% Pange lingua... CorporisPange lingua... Corporis
  22. 🔍 60% Pange lingua... CorporisPange lingua... Corporis
  23. 🔍 60% Tantum ergo XIITantum ergo XII
  24. 🔍 60% Tantum ergo.Tantum ergo.
  25. 🔍 59% Pange lingua... CorporisPange lingua... Corporis
  26. 🔍 59% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  27. 🔍 59% Tantum ergoTantum ergo
  28. 🔍 58% Tantum ergo II (Italian)Tantum ergo II (Italian)
  29. 🔍 58% Tantum ergo IIITantum ergo III
  30. 🔍 56% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  31. 🔍 56% Tantum ergo XVTantum ergo XV
  32. 🔍 56% Tantum ergo 14 (Pothier)Tantum ergo 14 (Pothier)
  33. 🔍 55% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  34. 🔍 54% Tantum ergo.Tantum ergo.
  35. 🔍 54% Tantum ergo (modern chant)Tantum ergo (modern chant)
  36. 🔍 54% Tantum ergo IVTantum ergo IV
  37. 🔍 53% Tantum ergoTantum ergo
  38. 🔍 52% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  39. 🔍 47% Tantum ergo. MozarabTantum ergo. Mozarab
  40. 🔍 44% Tantum ergo XTantum ergo X
  41. 🔍 38% Pange lingua... CorporisPange lingua... Corporis
  42. 🔍 36% Pange lingua... CorporisPange lingua... Corporis
  43. 🔍 36% Tantum ergo XIVTantum ergo XIV
  44. 🔍 28% Catharinae collaudemusCatharinae collaudemus
  45. 🔍 27% Aurora caelum (Alter Tonus)Aurora caelum (Alter Tonus)
  46. 🔍 27% Magne Pater AugustineMagne Pater Augustine
  47. 🔍 27% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  48. 🔍 26% Hic est diesHic est dies
  49. 🔍 26% Firmamentum est DominusFirmamentum est Dominus
  50. 🔍 25% Pange lingua... proeliumPange lingua... proelium
  51. 🔍 25% O mysterium!O mysterium!
  52. 🔍 25% Lauda SionLauda Sion
  53. 🔍 24% Lauda SionLauda Sion
  54. 🔍 24% Angularis fundamentumAngularis fundamentum
  55. 🔍 24% Angularis fundamentumAngularis fundamentum
  56. 🔍 24% Jesu Redemptor omnium (Com. Con. Pont.)Jesu Redemptor omnium (Com. Con. Pont.)
  57. 🔍 23% Hymnus ad Christum RegemHymnus ad Christum Regem
  58. 🔍 23% Quodcumque vinclisQuodcumque vinclis
  59. 🔍 22% Jesu Redemptor omnium (In Ascensione)Jesu Redemptor omnium (In Ascensione)
  60. 🔍 22% Caelitum JosephCaelitum Joseph
  61. 🔍 22% Legis sacrataeLegis sacratae
  62. 🔍 22% Praefatio ferialis de S. BenedictoPraefatio ferialis de S. Benedicto
  63. 🔍 22% Praefatio ferialis de nuptiisPraefatio ferialis de nuptiis
  64. 🔍 22% Felix per omnesFelix per omnes
  65. 🔍 22% Benedicta semperBenedicta semper