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% ImproperiumImproperium
  2. 🔍 49% Improperium 1Improperium 1
  3. 🔍 46% ImproperiumImproperium
  4. 🔍 44% ImproperiumImproperium
  5. 🔍 40% Adjutor meusAdjutor meus
  6. 🔍 37% Improperium 2Improperium 2
  7. 🔍 29% Adjutor meusAdjutor meus
  8. 🔍 28% Eripe meEripe me
  9. 🔍 28% Decus morumDecus morum
  10. 🔍 26% Repleta estRepleta est
  11. 🔍 26% Hei mihi DomineHei mihi Domine
  12. 🔍 26% Ecce sacerdosEcce sacerdos
  13. 🔍 25% Ad te DomineAd te Domine
  14. 🔍 25% Portas caeliPortas caeli
  15. 🔍 25% Memento meiMemento mei
  16. 🔍 25% Emendemus in meliusEmendemus in melius
  17. 🔍 24% Eripe meEripe me
  18. 🔍 24% ObtuleruntObtulerunt
  19. 🔍 24% AdoramusAdoramus
  20. 🔍 24% Bernardinum qui divinum.Bernardinum qui divinum.
  21. 🔍 24% Potum meumPotum meum
  22. 🔍 24% Repleta estRepleta est
  23. 🔍 24% Ave Maria (Alleluia)Ave Maria (Alleluia)
  24. 🔍 23% Non judicaviNon judicavi
  25. 🔍 23% Qui habitatQui habitat
  26. 🔍 23% Ave Maria (Alleluia)Ave Maria (Alleluia)
  27. 🔍 23% Miserere mei DeusMiserere mei Deus
  28. 🔍 23% ComedetisComedetis
  29. 🔍 22% De necessitatibusDe necessitatibus
  30. 🔍 22% Gloriosus DeusGloriosus Deus
  31. 🔍 22% Deus Deus meusDeus Deus meus
  32. 🔍 22% Ecce sacerdosEcce sacerdos
  33. 🔍 22% De necessitatibus (Tractus)De necessitatibus (Tractus)
  34. 🔍 22% Ego autem cumEgo autem cum
  35. 🔍 22% Attende caelumAttende caelum
  36. 🔍 22% Attende coelumAttende coelum
  37. 🔍 22% MisericorsMisericors
  38. 🔍 22% In Deo speravitIn Deo speravit
  39. 🔍 22% Ave Maria (Tractus)Ave Maria (Tractus)
  40. 🔍 22% SuscepimusSuscepimus
  41. 🔍 22% Misereris omniumMisereris omnium
  42. 🔍 22% EmendemusEmendemus
  43. 🔍 22% Beata nobisBeata nobis
  44. 🔍 22% Vere languoresVere languores
  45. 🔍 22% Eripe meEripe me
  46. 🔍 21% Qui operatus estQui operatus est
  47. 🔍 21% In die resurrectionisIn die resurrectionis
  48. 🔍 21% Deus autemDeus autem
  49. 🔍 21% Domine exaudiDomine exaudi
  50. 🔍 21% Ave MariaAve Maria
  51. 🔍 21% Emitte Spiritum tuumEmitte Spiritum tuum
  52. 🔍 21% Audi filiaAudi filia
  53. 🔍 21% Laetamini cum Jerusalem (All.)Laetamini cum Jerusalem (All.)
  54. 🔍 21% Spiritus SanctusSpiritus Sanctus
  55. 🔍 21% Lauda Mater... laudaLauda Mater... lauda
  56. 🔍 21% Sicut cervusSicut cervus
  57. 🔍 21% Defecit caro meaDefecit caro mea
  58. 🔍 21% Sicut cervusSicut cervus
  59. 🔍 21% Haec dies... Dicant nuncHaec dies... Dicant nunc
  60. 🔍 21% IntraveruntIntraverunt
  61. 🔍 21% Saepe expugnaveruntSaepe expugnaverunt
  62. 🔍 20% Ad te levaviAd te levavi
  63. 🔍 20% Ingrediente DominoIngrediente Domino
  64. 🔍 20% Adjutor meusAdjutor meus
  65. 🔍 20% Tu es Petrus (Tractus)Tu es Petrus (Tractus)