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% Sub umbra illiusSub umbra illius
  2. 🔍 96% Sub umbra illiusSub umbra illius
  3. 🔍 55% Sub umbra illiusSub umbra illius
  4. 🔍 47% Per signum crucisPer signum crucis
  5. 🔍 41% Per signum CrucisPer signum Crucis
  6. 🔍 40% Sub umbraSub umbra
  7. 🔍 39% Ab occultis meisAb occultis meis
  8. 🔍 38% Ab occultis meisAb occultis meis
  9. 🔍 30% Per signum CrucisPer signum Crucis
  10. 🔍 25% Ab occultis meisAb occultis meis
  11. 🔍 23% DilexistiDilexisti
  12. 🔍 22% In virtute tua (St Louis)In virtute tua (St Louis)
  13. 🔍 22% Sub tuum praesidiumSub tuum praesidium
  14. 🔍 21% In virtute tuaIn virtute tua
  15. 🔍 21% Ne derelinquas meNe derelinquas me
  16. 🔍 21% DilexistiDilexisti
  17. 🔍 21% Te Deum (Solemn tone)Te Deum (Solemn tone)
  18. 🔍 21% Te Deum (tonus solemnis)Te Deum (tonus solemnis)
  19. 🔍 21% Da nobis DeusDa nobis Deus
  20. 🔍 21% Spiritus ubiSpiritus ubi
  21. 🔍 21% Eduxit DominusEduxit Dominus
  22. 🔍 20% Respice DomineRespice Domine
  23. 🔍 20% In virtute tuaIn virtute tua
  24. 🔍 20% Te Deum laudamus (tonus solemnis)Te Deum laudamus (tonus solemnis)
  25. 🔍 19% Viri GalilaeiViri Galilaei
  26. 🔍 19% Viri GalilaeiViri Galilaei
  27. 🔍 19% JuravitJuravit
  28. 🔍 19% Respice DomineRespice Domine
  29. 🔍 19% In virtute tuaIn virtute tua
  30. 🔍 19% Audivit DominusAudivit Dominus
  31. 🔍 18% Quem quaeritis in praesepioQuem quaeritis in praesepio
  32. 🔍 18% Quem quaeritis in praesepioQuem quaeritis in praesepio
  33. 🔍 18% Te DeumTe Deum
  34. 🔍 18% O beata MaterO beata Mater
  35. 🔍 18% DilexistiDilexisti
  36. 🔍 18% Alleluia ! Fac cum servo tuoAlleluia ! Fac cum servo tuo
  37. 🔍 18% Te DeumTe Deum
  38. 🔍 18% Erit quasi signumErit quasi signum
  39. 🔍 18% Te DeumTe Deum
  40. 🔍 18% Factus est repenteFactus est repente
  41. 🔍 18% Benedicta tu in mulieribusBenedicta tu in mulieribus
  42. 🔍 17% Ne derelinquas meNe derelinquas me
  43. 🔍 17% Sub tuum praesidiumSub tuum praesidium
  44. 🔍 17% Juravit DominusJuravit Dominus
  45. 🔍 17% Probasti Domine (Intr.)Probasti Domine (Intr.)
  46. 🔍 17% ConfitebunturConfitebuntur
  47. 🔍 17% ConfitebunturConfitebuntur
  48. 🔍 17% Signum magnumSignum magnum
  49. 🔍 17% Oculus DeiOculus Dei
  50. 🔍 17% Exsultate DeoExsultate Deo
  51. 🔍 17% Eduxit DominusEduxit Dominus
  52. 🔍 17% Puer natus estPuer natus est
  53. 🔍 17% Miserere mihiMiserere mihi
  54. 🔍 17% Viri GalilaeiViri Galilaei
  55. 🔍 17% Ne derelinquas meNe derelinquas me
  56. 🔍 17% InfantulusInfantulus
  57. 🔍 17% Populus SionPopulus Sion
  58. 🔍 17% Erit quasi signumErit quasi signum
  59. 🔍 17% Adjutor et protectorAdjutor et protector
  60. 🔍 17% Laeva ejusLaeva ejus
  61. 🔍 17% Exsultet gaudioExsultet gaudio
  62. 🔍 17% Exsultat gaudioExsultat gaudio
  63. 🔍 17% Recessit pastor nosterRecessit pastor noster
  64. 🔍 17% Venite benedictiVenite benedicti
  65. 🔍 17% Justorum animae (Com.)Justorum animae (Com.)