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% Optimam partemOptimam partem
  2. 🔍 72% Optimam partemOptimam partem
  3. 🔍 72% Optimam partem... BronislavaOptimam partem... Bronislava
  4. 🔍 52% Dico autem vobisDico autem vobis
  5. 🔍 44% Optimam partemOptimam partem
  6. 🔍 42% Dico autem vobisDico autem vobis
  7. 🔍 42% Optimam partemOptimam partem
  8. 🔍 39% Gloriosa dicta... MariaGloriosa dicta... Maria
  9. 🔍 35% Dico autemDico autem
  10. 🔍 29% Gloriosa dicta... MariaGloriosa dicta... Maria
  11. 🔍 28% Valde mirabilisValde mirabilis
  12. 🔍 28% Dico autem vobisDico autem vobis
  13. 🔍 23% Valde mirabilisValde mirabilis
  14. 🔍 22% Potum meumPotum meum
  15. 🔍 22% Quae est ista quae progrediturQuae est ista quae progreditur
  16. 🔍 22% Ego dilecto. InveniEgo dilecto. Inveni
  17. 🔍 21% Gloriosa dicta... MariaGloriosa dicta... Maria
  18. 🔍 21% ObtuleruntObtulerunt
  19. 🔍 20% Confiteantur... quiaConfiteantur... quia
  20. 🔍 19% Semel juraviSemel juravi
  21. 🔍 19% Beata visceraBeata viscera
  22. 🔍 19% Elegit eam DeusElegit eam Deus
  23. 🔍 19% Emendemus in meliusEmendemus in melius
  24. 🔍 19% Tu es Petrus (Communio)Tu es Petrus (Communio)
  25. 🔍 19% Elegit eam DeusElegit eam Deus
  26. 🔍 19% Potum meumPotum meum
  27. 🔍 19% Spiritus SanctusSpiritus Sanctus
  28. 🔍 19% Gloriosa Dicta SuntGloriosa Dicta Sunt
  29. 🔍 19% Lux aeternaLux aeterna
  30. 🔍 18% Lauda Mater... laudaLauda Mater... lauda
  31. 🔍 18% ChristusChristus
  32. 🔍 18% EmendemusEmendemus
  33. 🔍 18% DiffusaDiffusa
  34. 🔍 18% ExsultavitExsultavit
  35. 🔍 18% Confiteantur... quiaConfiteantur... quia
  36. 🔍 18% VigilateVigilate
  37. 🔍 18% Mirabantur omnesMirabantur omnes
  38. 🔍 17% ConfundanturConfundantur
  39. 🔍 17% Elegit eumElegit eum
  40. 🔍 17% Non judicaviNon judicavi
  41. 🔍 17% Requiem (Intr.)Requiem (Intr.)
  42. 🔍 17% Suscepimus DeusSuscepimus Deus
  43. 🔍 17% Ecce quomodoEcce quomodo
  44. 🔍 17% Diffusa est (Com.)Diffusa est (Com.)
  45. 🔍 17% StabantStabant
  46. 🔍 17% Christo confixus sumChristo confixus sum
  47. 🔍 17% Diffusa est (Com.)Diffusa est (Com.)
  48. 🔍 17% Gloria VIIGloria VII
  49. 🔍 17% Felices sensusFelices sensus
  50. 🔍 17% Laus Deo PatriLaus Deo Patri
  51. 🔍 17% Requiem (Intr.)Requiem (Intr.)
  52. 🔍 17% Tu Domine servabisTu Domine servabis
  53. 🔍 17% Florete... et dateFlorete... et date
  54. 🔍 17% ModicumModicum
  55. 🔍 17% Propter fratres meosPropter fratres meos
  56. 🔍 17% Christo confixusChristo confixus
  57. 🔍 17% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  58. 🔍 17% Omnis gloriaOmnis gloria
  59. 🔍 17% Iacob autemIacob autem
  60. 🔍 17% Ego autem cumEgo autem cum
  61. 🔍 17% Confiteantur DominoConfiteantur Domino
  62. 🔍 17% ResponsumResponsum
  63. 🔍 16% In te DomineIn te Domine
  64. 🔍 16% Ego sum resurrectioEgo sum resurrectio
  65. 🔍 16% Ego dilectoEgo dilecto