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% Quis dabitQuis dabit
  2. 🔍 88% Quis dabitQuis dabit
  3. 🔍 58% Quis dabitQuis dabit
  4. 🔍 26% Dominus dabitDominus dabit
  5. 🔍 26% In virtute tuaIn virtute tua
  6. 🔍 25% In virtute tua (St Louis)In virtute tua (St Louis)
  7. 🔍 24% Dominus dabitDominus dabit
  8. 🔍 24% In virtute tuaIn virtute tua
  9. 🔍 23% Puer natus estPuer natus est
  10. 🔍 23% Dominus dabitDominus dabit
  11. 🔍 23% Mense septimoMense septimo
  12. 🔍 23% Anima... exsultabitAnima... exsultabit
  13. 🔍 23% Ipsum elegit DominusIpsum elegit Dominus
  14. 🔍 22% Dabit illi DominusDabit illi Dominus
  15. 🔍 22% Laetabitur justusLaetabitur justus
  16. 🔍 21% BeneplacitumBeneplacitum
  17. 🔍 21% Benedicite gentesBenedicite gentes
  18. 🔍 21% Exaltabo teExaltabo te
  19. 🔍 21% Puer natus estPuer natus est
  20. 🔍 21% Si quis mihiSi quis mihi
  21. 🔍 20% Sacerdotes ejusSacerdotes ejus
  22. 🔍 20% Laudate DominumLaudate Dominum
  23. 🔍 20% Laetamini cum JerusalemLaetamini cum Jerusalem
  24. 🔍 20% In te speraviIn te speravi
  25. 🔍 20% Deus in loco sanctoDeus in loco sancto
  26. 🔍 20% Adjuvabit eamAdjuvabit eam
  27. 🔍 20% Populus SionPopulus Sion
  28. 🔍 20% Domine quis habitabitDomine quis habitabit
  29. 🔍 20% Laetabitur justus (Intr.)Laetabitur justus (Intr.)
  30. 🔍 20% Majorem caritatemMajorem caritatem
  31. 🔍 20% Puer natus estPuer natus est
  32. 🔍 19% Si quis mihi ministraveritSi quis mihi ministraverit
  33. 🔍 19% Sacerdotes SionSacerdotes Sion
  34. 🔍 19% Tribulationes cordisTribulationes cordis
  35. 🔍 19% Egredietur virgaEgredietur virga
  36. 🔍 19% Benedicite gentesBenedicite gentes
  37. 🔍 19% Eduxit DominusEduxit Dominus
  38. 🔍 19% Dominus fortitudoDominus fortitudo
  39. 🔍 19% Scapulis suisScapulis suis
  40. 🔍 19% Exsultavit... in DominoExsultavit... in Domino
  41. 🔍 19% Erit quasi signumErit quasi signum
  42. 🔍 19% RevelabiturRevelabitur
  43. 🔍 19% Laetamini cum Jerusalem (Ant.)Laetamini cum Jerusalem (Ant.)
  44. 🔍 19% Laetare JerusalemLaetare Jerusalem
  45. 🔍 19% Anima nostraAnima nostra
  46. 🔍 19% Oculus DeiOculus Dei
  47. 🔍 19% Cum invocarem teCum invocarem te
  48. 🔍 19% Respice DomineRespice Domine
  49. 🔍 19% Ne derelinquas meNe derelinquas me
  50. 🔍 19% Sacerdotes ejus (Intr.)Sacerdotes ejus (Intr.)
  51. 🔍 19% Adjutor et protectorAdjutor et protector
  52. 🔍 19% Dominus illuminatioDominus illuminatio
  53. 🔍 19% LaetabimurLaetabimur
  54. 🔍 18% Dominus dabitDominus dabit
  55. 🔍 18% Qui habitatQui habitat
  56. 🔍 18% Dabit illi DominusDabit illi Dominus
  57. 🔍 18% Miserere (Ps 50)Miserere (Ps 50)
  58. 🔍 18% Populus SionPopulus Sion
  59. 🔍 18% Dominus dabitDominus dabit
  60. 🔍 18% Si quis putatSi quis putat
  61. 🔍 18% Dabit eiDabit ei
  62. 🔍 18% Si iniquitates (Ant)Si iniquitates (Ant)
  63. 🔍 18% Deus Deus meusDeus Deus meus
  64. 🔍 18% Domine quis habitabitDomine quis habitabit
  65. 🔍 18% Dabit illi DominusDabit illi Dominus