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% Adjutor et protectorAdjutor et protector
  2. 🔍 58% Puer natus estPuer natus est
  3. 🔍 51% Populus SionPopulus Sion
  4. 🔍 50% Puer natus estPuer natus est
  5. 🔍 48% Da nobis DeusDa nobis Deus
  6. 🔍 48% In virtute tua (St Louis)In virtute tua (St Louis)
  7. 🔍 48% Populus SionPopulus Sion
  8. 🔍 47% Eduxit DominusEduxit Dominus
  9. 🔍 47% In virtute tuaIn virtute tua
  10. 🔍 46% Puer natus estPuer natus est
  11. 🔍 46% Oculus DeiOculus Dei
  12. 🔍 45% Juravit DominusJuravit Dominus
  13. 🔍 44% Viri GalilaeiViri Galilaei
  14. 🔍 44% Adjutor et protectorAdjutor et protector
  15. 🔍 44% Signum magnumSignum magnum
  16. 🔍 44% Probasti DomineProbasti Domine
  17. 🔍 44% Erit quasi signumErit quasi signum
  18. 🔍 44% Eduxit DominusEduxit Dominus
  19. 🔍 43% Venite benedictiVenite benedicti
  20. 🔍 43% In virtute tuaIn virtute tua
  21. 🔍 42% Audivit DominusAudivit Dominus
  22. 🔍 41% Probasti Domine (Intr.)Probasti Domine (Intr.)
  23. 🔍 41% Erit quasi signumErit quasi signum
  24. 🔍 41% Ne derelinquas meNe derelinquas me
  25. 🔍 40% Viri GalilaeiViri Galilaei
  26. 🔍 39% Puer Natus EstPuer Natus Est
  27. 🔍 39% Ne derelinquas meNe derelinquas me
  28. 🔍 39% Respice DomineRespice Domine
  29. 🔍 38% Vidi aquam (ad libitum)Vidi aquam (ad libitum)
  30. 🔍 38% Venite benedictiVenite benedicti
  31. 🔍 38% Audivit DominusAudivit Dominus
  32. 🔍 37% Puer natus estPuer natus est
  33. 🔍 37% Respice DomineRespice Domine
  34. 🔍 36% Adjutor et protectorAdjutor et protector
  35. 🔍 35% Oculi meiOculi mei
  36. 🔍 35% Viri GalilaeiViri Galilaei
  37. 🔍 35% Oculi meiOculi mei
  38. 🔍 35% Exsultet gaudioExsultet gaudio
  39. 🔍 35% Exaudi nosExaudi nos
  40. 🔍 35% Exaudi nos DomineExaudi nos Domine
  41. 🔍 33% Exaudi nos DomineExaudi nos Domine
  42. 🔍 32% Gloria Patri VIIGloria Patri VII
  43. 🔍 31% Exspecta DominumExspecta Dominum
  44. 🔍 31% Laudate DominumLaudate Dominum
  45. 🔍 30% Afferte DominoAfferte Domino
  46. 🔍 30% Gloria Patri VIIGloria Patri VII
  47. 🔍 29% ConfitebunturConfitebuntur
  48. 🔍 29% Exspecta DominumExspecta Dominum
  49. 🔍 29% Angelus Domini apparuit (Intr.)Angelus Domini apparuit (Intr.)
  50. 🔍 28% Mihi absitMihi absit
  51. 🔍 28% ConfitebunturConfitebuntur
  52. 🔍 28% Cogitationes Cordis cum AlleluiaCogitationes Cordis cum Alleluia
  53. 🔍 27% Benedicite gentesBenedicite gentes
  54. 🔍 27% Benedicite gentesBenedicite gentes
  55. 🔍 27% JuravitJuravit
  56. 🔍 27% Ex ore infantiumEx ore infantium
  57. 🔍 27% Benedicite gentesBenedicite gentes
  58. 🔍 27% Eduxit DominusEduxit Dominus
  59. 🔍 26% Exsultet gaudioExsultet gaudio
  60. 🔍 26% Cantemus DominoCantemus Domino
  61. 🔍 26% Laetabitur justus (Intr.)Laetabitur justus (Intr.)
  62. 🔍 26% Dominus dixitDominus dixit
  63. 🔍 26% Mihi adhaere DeoMihi adhaere Deo
  64. 🔍 26% Ne Derelinquas MeNe Derelinquas Me
  65. 🔍 26% Cibavit eos... alleluiaCibavit eos... alleluia