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% Quasi arcusQuasi arcus
  2. 🔍 42% Quasi arcusQuasi arcus
  3. 🔍 38% Quasi stellaQuasi stella
  4. 🔍 33% Quasi stellaQuasi stella
  5. 🔍 29% Quae est ista quae progrediturQuae est ista quae progreditur
  6. 🔍 27% Quasi unumQuasi unum
  7. 🔍 26% Arcus fortiumArcus fortium
  8. 🔍 25% Sacerdos magnusSacerdos magnus
  9. 🔍 24% Quasi stella... quasi solQuasi stella... quasi sol
  10. 🔍 23% Sacerdos magnusSacerdos magnus
  11. 🔍 23% Legis sacrataeLegis sacratae
  12. 🔍 22% Ego quasi storaxEgo quasi storax
  13. 🔍 22% Erit quasi signumErit quasi signum
  14. 🔍 22% Hi sunt qui veneruntHi sunt qui venerunt
  15. 🔍 21% Jesu decus angelicumJesu decus angelicum
  16. 🔍 21% Quasi tubaQuasi tuba
  17. 🔍 21% ExsurgeExsurge
  18. 🔍 21% ExsurgeExsurge
  19. 🔍 20% Intret in conspectuIntret in conspectu
  20. 🔍 20% Unus militumUnus militum
  21. 🔍 20% Unus militumUnus militum
  22. 🔍 20% Quasi tubaQuasi tuba
  23. 🔍 20% Nativitatem hodiernamNativitatem hodiernam
  24. 🔍 20% Immensa et unaImmensa et una
  25. 🔍 20% Custodes hominumCustodes hominum
  26. 🔍 20% ExsurgeExsurge
  27. 🔍 20% Exaudiat te DominusExaudiat te Dominus
  28. 🔍 20% VisionemVisionem
  29. 🔍 20% Solemnitatem hodiernamSolemnitatem hodiernam
  30. 🔍 20% Surrexit GregoriusSurrexit Gregorius
  31. 🔍 20% Sacerdos magnusSacerdos magnus
  32. 🔍 20% Non invenientes JesumNon invenientes Jesum
  33. 🔍 20% Haec dicit DominusHaec dicit Dominus
  34. 🔍 20% Petrus beatusPetrus beatus
  35. 🔍 20% Obaudite meObaudite me
  36. 🔍 19% Viderunt eam filiae Sion vernantemViderunt eam filiae Sion vernantem
  37. 🔍 19% Qua Christus hora sitiitQua Christus hora sitiit
  38. 🔍 19% Erit quasi signumErit quasi signum
  39. 🔍 19% Agathes laetissimaAgathes laetissima
  40. 🔍 19% Viderunt eam filiae Sion vernantemViderunt eam filiae Sion vernantem
  41. 🔍 19% Caecilia famula tuaCaecilia famula tua
  42. 🔍 19% Venite exultemus IV GVenite exultemus IV G
  43. 🔍 19% Inclinavit se JesusInclinavit se Jesus
  44. 🔍 19% Quasi meridianusQuasi meridianus
  45. 🔍 19% Post triduumPost triduum
  46. 🔍 19% Post triduumPost triduum
  47. 🔍 19% Quid retribuamQuid retribuam
  48. 🔍 19% Laetare caelum desuperLaetare caelum desuper
  49. 🔍 18% Qua Christus hora sitiitQua Christus hora sitiit
  50. 🔍 18% Ipsi vero in vanumIpsi vero in vanum
  51. 🔍 18% Clamaverunt ad DominumClamaverunt ad Dominum
  52. 🔍 18% Adjutor in tribulationibus DeusAdjutor in tribulationibus Deus
  53. 🔍 18% Venite exsultemus IV**Venite exsultemus IV**
  54. 🔍 18% Ego DominusEgo Dominus
  55. 🔍 18% Jesu dulcis memoria!Jesu dulcis memoria!
  56. 🔍 18% Amen dico... quia plorabitisAmen dico... quia plorabitis
  57. 🔍 18% Ne in furoreNe in furore
  58. 🔍 18% Ut audivitUt audivit
  59. 🔍 18% Ex quo facta est vox (Adv.)Ex quo facta est vox (Adv.)
  60. 🔍 18% Salus populiSalus populi
  61. 🔍 18% Quasi oliva pullulansQuasi oliva pullulans
  62. 🔍 18% Quasi oliva pullulansQuasi oliva pullulans
  63. 🔍 18% Qua ChristusQua Christus
  64. 🔍 18% Egredimini (S. Rita)Egredimini (S. Rita)
  65. 🔍 18% In ecclesiisIn ecclesiis