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% Per signum crucisPer signum crucis
  2. 🔍 52% Per signum CrucisPer signum Crucis
  3. 🔍 49% Per signum CrucisPer signum Crucis
  4. 🔍 47% Sub umbra illiusSub umbra illius
  5. 🔍 47% Per signum crucisPer signum crucis
  6. 🔍 47% Per signum CrucisPer signum Crucis
  7. 🔍 47% Sub umbra illiusSub umbra illius
  8. 🔍 46% Ab occultis meisAb occultis meis
  9. 🔍 45% Per signum crucisPer signum crucis
  10. 🔍 44% Per signum CrucisPer signum Crucis
  11. 🔍 43% Per signum CrucisPer signum Crucis
  12. 🔍 39% Per signum CrucisPer signum Crucis
  13. 🔍 38% Ab occultis meisAb occultis meis
  14. 🔍 34% Per signum CrucisPer signum Crucis
  15. 🔍 24% Hoc signum Crucis (In Tempore Paschali)Hoc signum Crucis (In Tempore Paschali)
  16. 🔍 24% Hoc signum crucisHoc signum crucis
  17. 🔍 23% Hoc signum Crucis (T. Paschali)Hoc signum Crucis (T. Paschali)
  18. 🔍 22% Mirabantur omnesMirabantur omnes
  19. 🔍 21% Ab occultis meisAb occultis meis
  20. 🔍 21% Hoc signum CrucisHoc signum Crucis
  21. 🔍 21% Spiritus ubiSpiritus ubi
  22. 🔍 20% DilexistiDilexisti
  23. 🔍 19% Visitavit nosVisitavit nos
  24. 🔍 19% Eduxit DominusEduxit Dominus
  25. 🔍 19% Ex ore infantiumEx ore infantium
  26. 🔍 19% Adoremus CrucisAdoremus Crucis
  27. 🔍 18% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  28. 🔍 18% ReminiscereReminiscere
  29. 🔍 18% Erit quasi signumErit quasi signum
  30. 🔍 18% DilexistiDilexisti
  31. 🔍 18% Hoc signum CrucisHoc signum Crucis
  32. 🔍 18% Exsurge Domine adjuvaExsurge Domine adjuva
  33. 🔍 18% Signum magnumSignum magnum
  34. 🔍 18% Salvator mundiSalvator mundi
  35. 🔍 18% Per lignumPer lignum
  36. 🔍 17% Christus resurgensChristus resurgens
  37. 🔍 17% Domine Deus meusDomine Deus meus
  38. 🔍 17% Spiritus SanctusSpiritus Sanctus
  39. 🔍 17% In sanctitate serviamusIn sanctitate serviamus
  40. 🔍 17% Caritas Dei cum AlleluiaCaritas Dei cum Alleluia
  41. 🔍 17% In caritateIn caritate
  42. 🔍 17% Ecce lignum CrucisEcce lignum Crucis
  43. 🔍 17% Spiritus ubiSpiritus ubi
  44. 🔍 17% Dextera Domini... alleluiaDextera Domini... alleluia
  45. 🔍 17% Hoc signumHoc signum
  46. 🔍 17% Cantate DominoCantate Domino
  47. 🔍 16% Exsurge Domine adjuvaExsurge Domine adjuva
  48. 🔍 16% Nos autem... alleluiaNos autem... alleluia
  49. 🔍 16% Ite IaIte Ia
  50. 🔍 16% Nos autem (all. all.)Nos autem (all. all.)
  51. 🔍 16% Spiritus quiSpiritus qui
  52. 🔍 16% Erit quasi signumErit quasi signum
  53. 🔍 16% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  54. 🔍 16% Dico autem vobisDico autem vobis
  55. 🔍 16% Signum crucisSignum crucis
  56. 🔍 16% ModicumModicum
  57. 🔍 16% Sanctus XVISanctus XVI
  58. 🔍 16% Alleluia ! Fac cum servo tuoAlleluia ! Fac cum servo tuo
  59. 🔍 16% Signum MagnumSignum Magnum
  60. 🔍 16% Signum MagnumSignum Magnum
  61. 🔍 16% Cumque intuerenturCumque intuerentur
  62. 🔍 16% In sanctitate serviamusIn sanctitate serviamus
  63. 🔍 16% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  64. 🔍 16% Nostras deprecationesNostras deprecationes
  65. 🔍 16% Ite XV/XVIIte XV/XVI