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% Propter SionPropter Sion
  2. 🔍 100% Propter SionPropter Sion
  3. 🔍 57% De Sion veniet DominusDe Sion veniet Dominus
  4. 🔍 57% De Sion veniet DominusDe Sion veniet Dominus
  5. 🔍 54% Propter SionPropter Sion
  6. 🔍 52% Propter SionPropter Sion
  7. 🔍 48% De Sion veniet qui regnaturusDe Sion veniet qui regnaturus
  8. 🔍 48% De Sion veniet qui regnaturusDe Sion veniet qui regnaturus
  9. 🔍 45% Sion renovaberisSion renovaberis
  10. 🔍 45% Sion renovaberisSion renovaberis
  11. 🔍 45% Egredietur DominusEgredietur Dominus
  12. 🔍 45% Egredietur DominusEgredietur Dominus
  13. 🔍 45% Spiritus Domini superSpiritus Domini super
  14. 🔍 45% Spiritus Domini superSpiritus Domini super
  15. 🔍 45% Filii SionFilii Sion
  16. 🔍 45% Propter SionPropter Sion
  17. 🔍 45% Propter SionPropter Sion
  18. 🔍 44% Deus a LibanoDeus a Libano
  19. 🔍 44% Deus a LibanoDeus a Libano
  20. 🔍 43% Da mercedem DomineDa mercedem Domine
  21. 🔍 42% Sion noli timereSion noli timere
  22. 🔍 42% Sion noli timereSion noli timere
  23. 🔍 42% Qui post meQui post me
  24. 🔍 42% Qui post meQui post me
  25. 🔍 42% Ego autem ad DominumEgo autem ad Dominum
  26. 🔍 42% Ego autem ad DominumEgo autem ad Dominum
  27. 🔍 42% Dabo in SionDabo in Sion
  28. 🔍 42% Dabo in SionDabo in Sion
  29. 🔍 41% Da mercedem DomineDa mercedem Domine
  30. 🔍 41% Ut cognoscamusUt cognoscamus
  31. 🔍 41% Ut cognoscamusUt cognoscamus
  32. 🔍 41% Domine magnus esDomine magnus es
  33. 🔍 40% Elegit Dominus SionElegit Dominus Sion
  34. 🔍 39% Sabbatum propterSabbatum propter
  35. 🔍 39% Propter nimiamPropter nimiam
  36. 🔍 38% Domine in caeloDomine in caelo
  37. 🔍 38% Ecce veniet Dominus princepsEcce veniet Dominus princeps
  38. 🔍 38% Ecce veniet Dominus princepsEcce veniet Dominus princeps
  39. 🔍 37% Rorate caeliRorate caeli
  40. 🔍 37% Gaude et laetare filia Sion 1Gaude et laetare filia Sion 1
  41. 🔍 37% Gaude et laetare filia Sion 1Gaude et laetare filia Sion 1
  42. 🔍 37% In DominoIn Domino
  43. 🔍 37% Constantes estoteConstantes estote
  44. 🔍 37% Dum venerit FiliusDum venerit Filius
  45. 🔍 37% Dum venerit FiliusDum venerit Filius
  46. 🔍 37% De Sion exibit lexDe Sion exibit lex
  47. 🔍 37% De Sion exibit lexDe Sion exibit lex
  48. 🔍 36% Rorate caeli desuperRorate caeli desuper
  49. 🔍 36% Exsulta filia SionExsulta filia Sion
  50. 🔍 36% Ierusalem respiceIerusalem respice
  51. 🔍 36% Ierusalem respiceIerusalem respice
  52. 🔍 36% Ad te Domine levaviAd te Domine levavi
  53. 🔍 36% LaudaboLaudabo
  54. 🔍 35% Constantes estoteConstantes estote
  55. 🔍 35% Paratus estoParatus esto
  56. 🔍 35% Paratus estoParatus esto
  57. 🔍 34% Adorate DominumAdorate Dominum
  58. 🔍 34% IntueminiIntuemini
  59. 🔍 34% IntueminiIntuemini
  60. 🔍 34% Convertere Domine aliquantulumConvertere Domine aliquantulum
  61. 🔍 34% Cantate Domino ... novum lausCantate Domino ... novum laus
  62. 🔍 34% Propter Sion non taceboPropter Sion non tacebo
  63. 🔍 34% Non haberesNon haberes
  64. 🔍 33% Benedicta tu inBenedicta tu in
  65. 🔍 33% Virgam virtutis ... ex SionVirgam virtutis ... ex Sion