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% Levita LaurentiusLevita Laurentius
  2. 🔍 68% Candor estCandor est
  3. 🔍 49% Levita LaurentiusLevita Laurentius
  4. 🔍 43% ConcepcioConcepcio
  5. 🔍 42% Caro meaCaro mea
  6. 🔍 40% Caro meaCaro mea
  7. 🔍 40% Optimam partemOptimam partem
  8. 🔍 36% Caro mea vereCaro mea vere
  9. 🔍 36% Levita LaurentiusLevita Laurentius
  10. 🔍 34% Nativitas gloriosae VirginisNativitas gloriosae Virginis
  11. 🔍 32% Candor estCandor est
  12. 🔍 32% LaetabiturLaetabitur
  13. 🔍 31% SolemnitasSolemnitas
  14. 🔍 26% Magnus DominusMagnus Dominus
  15. 🔍 24% In die resurrectionisIn die resurrectionis
  16. 🔍 24% Magnus DominusMagnus Dominus
  17. 🔍 23% Post dies octoPost dies octo
  18. 🔍 23% Per signum CrucisPer signum Crucis
  19. 🔍 22% Post dies octoPost dies octo
  20. 🔍 21% Concussum estConcussum est
  21. 🔍 21% Tibi gloriaTibi gloria
  22. 🔍 21% MultifarieMultifarie
  23. 🔍 21% Magnus DominusMagnus Dominus
  24. 🔍 20% Quinque prudentesQuinque prudentes
  25. 🔍 20% Candor estCandor est
  26. 🔍 20% In omnem terramIn omnem terram
  27. 🔍 20% Crastina dieCrastina die
  28. 🔍 20% Quoniam Deus magnusQuoniam Deus magnus
  29. 🔍 20% Dum venerit ParaclitusDum venerit Paraclitus
  30. 🔍 20% Levita LaurentiusLevita Laurentius
  31. 🔍 19% Benedictus DominusBenedictus Dominus
  32. 🔍 19% MultifarieMultifarie
  33. 🔍 19% Dominus regnavit exsultetDominus regnavit exsultet
  34. 🔍 19% The Reproaches (8)The Reproaches (8)
  35. 🔍 19% DolorosaDolorosa
  36. 🔍 19% Dominus dixitDominus dixit
  37. 🔍 19% Candor estCandor est
  38. 🔍 19% Alleluia (ad introitum mode 8)Alleluia (ad introitum mode 8)
  39. 🔍 19% Spiritus SanctusSpiritus Sanctus
  40. 🔍 19% Quinque prudentesQuinque prudentes
  41. 🔍 19% Felices sensusFelices sensus
  42. 🔍 18% ProtegeProtege
  43. 🔍 18% Minuisti eumMinuisti eum
  44. 🔍 18% Tu puerTu puer
  45. 🔍 18% Candor est lucisCandor est lucis
  46. 🔍 18% Juravit DominusJuravit Dominus
  47. 🔍 18% Video caelosVideo caelos
  48. 🔍 18% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  49. 🔍 18% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  50. 🔍 18% Adjutor et protectorAdjutor et protector
  51. 🔍 18% Tollite portasTollite portas
  52. 🔍 18% ObtuleruntObtulerunt
  53. 🔍 17% Dominus in SinaDominus in Sina
  54. 🔍 17% DilexistiDilexisti
  55. 🔍 17% Beata gensBeata gens
  56. 🔍 17% Stabat sancta MariaStabat sancta Maria
  57. 🔍 17% SolemnitasSolemnitas
  58. 🔍 17% Laetatus sumLaetatus sum
  59. 🔍 17% OstendeOstende
  60. 🔍 17% Lumen gentiumLumen gentium
  61. 🔍 17% Ave Rex nosterAve Rex noster
  62. 🔍 17% Misericordia DominiMisericordia Domini
  63. 🔍 17% ConfitebunturConfitebuntur
  64. 🔍 17% Tu es PetrusTu es Petrus
  65. 🔍 17% Vidimus stellamVidimus stellam