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 14 (Pothier)Tantum ergo 14 (Pothier)
  2. 🔍 78% Tantum ergo 10 (Pothier)Tantum ergo 10 (Pothier)
  3. 🔍 73% Tantum ergo 15 (Pothier)Tantum ergo 15 (Pothier)
  4. 🔍 63% Tantum ergo VIIITantum ergo VIII
  5. 🔍 62% Tantum ergo (cantus V)Tantum ergo (cantus V)
  6. 🔍 61% Tantum ergo VITantum ergo VI
  7. 🔍 60% Tantum ergo. IITantum ergo. II
  8. 🔍 60% Tantum ergo VTantum ergo V
  9. 🔍 58% Tantum ergo XITantum ergo XI
  10. 🔍 58% Tantum ergo (cantus XIII)Tantum ergo (cantus XIII)
  11. 🔍 58% Tantum ergoTantum ergo
  12. 🔍 58% Tantum ergo XIIITantum ergo XIII
  13. 🔍 58% Tantum ergo (cantus XII)Tantum ergo (cantus XII)
  14. 🔍 58% Tantum ergoTantum ergo
  15. 🔍 58% Tantum ergo.Tantum ergo.
  16. 🔍 57% Tantum ergo (cantus IX)Tantum ergo (cantus IX)
  17. 🔍 57% Tantum ergo.Tantum ergo.
  18. 🔍 56% Tantum ergoTantum ergo
  19. 🔍 56% Tantum ergo ITantum ergo I
  20. 🔍 56% Tantum ergo SacramentumTantum ergo Sacramentum
  21. 🔍 55% Tantum ergo (cantus VIII)Tantum ergo (cantus VIII)
  22. 🔍 54% Tantum ergoTantum ergo
  23. 🔍 54% Tantum ergo XIITantum ergo XII
  24. 🔍 54% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  25. 🔍 54% Tantum ergo IXTantum ergo IX
  26. 🔍 52% Tantum ergo VIITantum ergo VII
  27. 🔍 51% Tantum ergoTantum ergo
  28. 🔍 51% Tantum ergoTantum ergo
  29. 🔍 51% Tantum ergo II (Italian)Tantum ergo II (Italian)
  30. 🔍 50% Tantum ergo IIITantum ergo III
  31. 🔍 49% Tantum ergo XVTantum ergo XV
  32. 🔍 48% Tantum ergo IVTantum ergo IV
  33. 🔍 47% Tantum ergo (Spanish chant)Tantum ergo (Spanish chant)
  34. 🔍 46% Tantum ergo (modern chant)Tantum ergo (modern chant)
  35. 🔍 46% Tantum ergo.Tantum ergo.
  36. 🔍 43% Tantum ergo. MozarabTantum ergo. Mozarab
  37. 🔍 40% Tantum ergo XTantum ergo X
  38. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  39. 🔍 39% Pange lingua... CorporisPange lingua... Corporis
  40. 🔍 37% Pange lingua... CorporisPange lingua... Corporis
  41. 🔍 35% Pange lingua... CorporisPange lingua... Corporis
  42. 🔍 34% Tantum ergo XIVTantum ergo XIV
  43. 🔍 33% Pange lingua... CorporisPange lingua... Corporis
  44. 🔍 28% Precemur omnes cernuiPrecemur omnes cernui
  45. 🔍 27% Firmamentum est DominusFirmamentum est Dominus
  46. 🔍 27% O castitatis signiferO castitatis signifer
  47. 🔍 26% Legis sacrataeLegis sacratae
  48. 🔍 26% Ex more docti mysticoEx more docti mystico
  49. 🔍 25% Ales diei nuntius (aestivalis)Ales diei nuntius (aestivalis)
  50. 🔍 25% In medio EcclesiaeIn medio Ecclesiae
  51. 🔍 25% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  52. 🔍 25% Praefatio solemnis de nuptiisPraefatio solemnis de nuptiis
  53. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  54. 🔍 25% Quodcumque vinclisQuodcumque vinclis
  55. 🔍 25% Salvete Christi vulneraSalvete Christi vulnera
  56. 🔍 25% Felix per omnesFelix per omnes
  57. 🔍 24% Splendor paternaeSplendor paternae
  58. 🔍 24% Praefatio solemnior de nuptiisPraefatio solemnior de nuptiis
  59. 🔍 24% Sanctorum meritisSanctorum meritis
  60. 🔍 24% Pange lingua... Corporis (alter tonus)Pange lingua... Corporis (alter tonus)
  61. 🔍 24% Praefatio solemnior de sancto Joanne BaptistaPraefatio solemnior de sancto Joanne Baptista
  62. 🔍 24% Summae Deus (in festo SS. Trinitatis)Summae Deus (in festo SS. Trinitatis)
  63. 🔍 24% Paraclitus autemParaclitus autem
  64. 🔍 24% Splendor paternae gloriaeSplendor paternae gloriae
  65. 🔍 24% Praefatio solemnior de S. BenedictoPraefatio solemnior de S. Benedicto