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% Candor estCandor est
  2. 🔍 67% SolemnitasSolemnitas
  3. 🔍 55% Levita LaurentiusLevita Laurentius
  4. 🔍 53% Caro meaCaro mea
  5. 🔍 45% Concussum estConcussum est
  6. 🔍 44% Candor estCandor est
  7. 🔍 39% Minuisti eumMinuisti eum
  8. 🔍 38% Candor est lucisCandor est lucis
  9. 🔍 32% Levita LaurentiusLevita Laurentius
  10. 🔍 32% Candor estCandor est
  11. 🔍 30% Caro mea vereCaro mea vere
  12. 🔍 30% Levita LaurentiusLevita Laurentius
  13. 🔍 30% Candor estCandor est
  14. 🔍 30% SolemnitasSolemnitas
  15. 🔍 29% Levita LaurentiusLevita Laurentius
  16. 🔍 27% Laetabitur justus (All.)Laetabitur justus (All.)
  17. 🔍 27% Post dies octoPost dies octo
  18. 🔍 26% Concussum estConcussum est
  19. 🔍 26% Caro mea vereCaro mea vere
  20. 🔍 25% LaetabiturLaetabitur
  21. 🔍 25% SolemnitasSolemnitas
  22. 🔍 25% Candor est lucisCandor est lucis
  23. 🔍 25% In die resurrectionisIn die resurrectionis
  24. 🔍 23% Candor lucis aeternaeCandor lucis aeternae
  25. 🔍 23% Adjuva nosAdjuva nos
  26. 🔍 23% Candor est lucisCandor est lucis
  27. 🔍 22% Benedictus esBenedictus es
  28. 🔍 21% Post dies octoPost dies octo
  29. 🔍 21% Candor est lucis aeternae (Ant.)Candor est lucis aeternae (Ant.)
  30. 🔍 21% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  31. 🔍 21% Per signum CrucisPer signum Crucis
  32. 🔍 21% O nata lux de lumineO nata lux de lumine
  33. 🔍 20% Quia eduxi teQuia eduxi te
  34. 🔍 20% Candor est lucis aeternae (Ant.)Candor est lucis aeternae (Ant.)
  35. 🔍 20% Ad coenamAd coenam
  36. 🔍 20% Crastina dieCrastina die
  37. 🔍 19% Sapientiam ipsorumSapientiam ipsorum
  38. 🔍 19% In die resurrectionisIn die resurrectionis
  39. 🔍 19% Post dies octoPost dies octo
  40. 🔍 19% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  41. 🔍 19% Tu es Petrus (Alleluia)Tu es Petrus (Alleluia)
  42. 🔍 18% Candor est lucisCandor est lucis
  43. 🔍 18% De excelsoDe excelso
  44. 🔍 18% The Reproaches (8)The Reproaches (8)
  45. 🔍 18% MultifarieMultifarie
  46. 🔍 18% Mihi adhaere DeoMihi adhaere Deo
  47. 🔍 18% Benedictus Dominus Patris nostriBenedictus Dominus Patris nostri
  48. 🔍 18% Alleluia confiteminiAlleluia confitemini
  49. 🔍 18% Exsurge DomineExsurge Domine
  50. 🔍 18% Tu es Petrus (Alleluia)Tu es Petrus (Alleluia)
  51. 🔍 18% O rex aeterne DomineO rex aeterne Domine
  52. 🔍 18% Benedictus esBenedictus es
  53. 🔍 17% Salvum fac populumSalvum fac populum
  54. 🔍 17% Surge aquiloSurge aquilo
  55. 🔍 17% Salus et gloria - mode IVSalus et gloria - mode IV
  56. 🔍 17% Exsurgat DeusExsurgat Deus
  57. 🔍 17% ConcepcioConcepcio
  58. 🔍 17% OstendeOstende
  59. 🔍 17% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  60. 🔍 17% Quem quaeritis in praesepioQuem quaeritis in praesepio
  61. 🔍 17% Fundata est domusFundata est domus
  62. 🔍 17% Custodi innocentiamCustodi innocentiam
  63. 🔍 16% Quem quaeritis in praesepioQuem quaeritis in praesepio
  64. 🔍 16% Dominus dixitDominus dixit
  65. 🔍 16% Ipse est directusIpse est directus