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. 🔍 61% ConcepcioConcepcio
  3. 🔍 45% Candor estCandor est
  4. 🔍 44% Caro meaCaro mea
  5. 🔍 40% Levita LaurentiusLevita Laurentius
  6. 🔍 34% Optimam partemOptimam partem
  7. 🔍 25% Caro mea vereCaro mea vere
  8. 🔍 25% LaetabiturLaetabitur
  9. 🔍 23% Post dies octoPost dies octo
  10. 🔍 21% Levita LaurentiusLevita Laurentius
  11. 🔍 21% Magnus DominusMagnus Dominus
  12. 🔍 19% Caro meaCaro mea
  13. 🔍 19% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  14. 🔍 19% Tibi gloriaTibi gloria
  15. 🔍 18% Levita LaurentiusLevita Laurentius
  16. 🔍 17% Benedictus DominusBenedictus Dominus
  17. 🔍 17% Magnus DominusMagnus Dominus
  18. 🔍 17% In die resurrectionisIn die resurrectionis
  19. 🔍 17% Aqua sapientiaeAqua sapientiae
  20. 🔍 17% Spiritus DominiSpiritus Domini
  21. 🔍 16% Joseph fili DavidJoseph fili David
  22. 🔍 16% SolemnitasSolemnitas
  23. 🔍 16% Juravit DominusJuravit Dominus
  24. 🔍 16% Adjutor et protectorAdjutor et protector
  25. 🔍 16% Omnes de SabaOmnes de Saba
  26. 🔍 16% Magnus DominusMagnus Dominus
  27. 🔍 16% Non vos me elegistisNon vos me elegistis
  28. 🔍 15% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  29. 🔍 15% Puer natus estPuer natus est
  30. 🔍 15% Spiritus DominiSpiritus Domini
  31. 🔍 15% Quoniam Deus magnusQuoniam Deus magnus
  32. 🔍 15% Candor estCandor est
  33. 🔍 15% Vultum tuumVultum tuum
  34. 🔍 15% Spiritus quiSpiritus qui
  35. 🔍 15% Ecce virgoEcce virgo
  36. 🔍 15% Haec dies... Dicant nuncHaec dies... Dicant nunc
  37. 🔍 15% Amen dico vobisAmen dico vobis
  38. 🔍 15% StatuitStatuit
  39. 🔍 14% Oculi meiOculi mei
  40. 🔍 14% LoquebarLoquebar
  41. 🔍 14% DominabiturDominabitur
  42. 🔍 14% MultifarieMultifarie
  43. 🔍 14% DispersitDispersit
  44. 🔍 14% Diffusa estDiffusa est
  45. 🔍 14% Qui habitatQui habitat
  46. 🔍 14% Sancti tui ... benedicentSancti tui ... benedicent
  47. 🔍 14% Pascha nostrumPascha nostrum
  48. 🔍 14% Beata visceraBeata viscera
  49. 🔍 14% Benedicam DominumBenedicam Dominum
  50. 🔍 14% Potestas ejusPotestas ejus
  51. 🔍 14% Dicit DominusDicit Dominus
  52. 🔍 14% De excelsoDe excelso
  53. 🔍 14% Specie tuaSpecie tua
  54. 🔍 14% Haec dies... Dicat nuncHaec dies... Dicat nunc
  55. 🔍 14% Ave MariaAve Maria
  56. 🔍 14% Haec dies... ConfiteminiHaec dies... Confitemini
  57. 🔍 14% Post dies octoPost dies octo
  58. 🔍 13% Concussum estConcussum est
  59. 🔍 13% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  60. 🔍 13% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  61. 🔍 13% Gaudeamus ... Mary MagdalenGaudeamus ... Mary Magdalen
  62. 🔍 13% Loquebar Ps. LaudateLoquebar Ps. Laudate
  63. 🔍 13% Tollite portasTollite portas
  64. 🔍 13% Gloriosa dicta... MariaGloriosa dicta... Maria
  65. 🔍 13% Audi filia 2Audi filia 2