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% In me gratiaIn me gratia
  2. 🔍 62% In me gratiaIn me gratia
  3. 🔍 54% Diffusa est (Off.)Diffusa est (Off.)
  4. 🔍 52% Diligis justitiamDiligis justitiam
  5. 🔍 37% In me gratiaIn me gratia
  6. 🔍 33% Diffusa est (Off.)Diffusa est (Off.)
  7. 🔍 30% Improperium... et dederuntImproperium... et dederunt
  8. 🔍 30% Mirabilis DeusMirabilis Deus
  9. 🔍 29% Improperium... et dederuntImproperium... et dederunt
  10. 🔍 28% Diffusa estDiffusa est
  11. 🔍 27% Si ambulaveroSi ambulavero
  12. 🔍 26% Confessio (Intr.)Confessio (Intr.)
  13. 🔍 26% Diffusa estDiffusa est
  14. 🔍 26% ExsultavitExsultavit
  15. 🔍 25% ImproperiumImproperium
  16. 🔍 25% Emitte SpiritumEmitte Spiritum
  17. 🔍 24% O Domine... et filiusO Domine... et filius
  18. 🔍 24% Ad te levaviAd te levavi
  19. 🔍 24% O Domine... ego servusO Domine... ego servus
  20. 🔍 24% Benedicite DominumBenedicite Dominum
  21. 🔍 23% Emitte SpiritumEmitte Spiritum
  22. 🔍 23% Ad te levaviAd te levavi
  23. 🔍 23% ConfessioConfessio
  24. 🔍 23% CustodivitCustodivit
  25. 🔍 23% CognoviCognovi
  26. 🔍 23% Gaudens gaudebo... quasiGaudens gaudebo... quasi
  27. 🔍 22% DispersitDispersit
  28. 🔍 22% Deus vitam meamDeus vitam meam
  29. 🔍 22% Dum clamaremDum clamarem
  30. 🔍 22% Dum sanctificatusDum sanctificatus
  31. 🔍 22% Factus es spes meaFactus es spes mea
  32. 🔍 22% Exsultabo in JerusalemExsultabo in Jerusalem
  33. 🔍 22% Improperium... et dederuntImproperium... et dederunt
  34. 🔍 22% In me gratiaIn me gratia
  35. 🔍 22% Confitebor Domino sine AlleluiaConfitebor Domino sine Alleluia
  36. 🔍 22% Ecce oculiEcce oculi
  37. 🔍 22% Mirabilis DeusMirabilis Deus
  38. 🔍 22% Omnis gloriaOmnis gloria
  39. 🔍 22% BenedixeruntBenedixerunt
  40. 🔍 22% Jam non dicamJam non dicam
  41. 🔍 22% DispersitDispersit
  42. 🔍 22% Gaudens gaudebo... quasiGaudens gaudebo... quasi
  43. 🔍 22% Dedit illiDedit illi
  44. 🔍 22% Ego autem in... gaudeboEgo autem in... gaudebo
  45. 🔍 22% Adducam eosAdducam eos
  46. 🔍 22% Exsultabo in JerusalemExsultabo in Jerusalem
  47. 🔍 21% Nunc ergoNunc ergo
  48. 🔍 21% Confitebor tibi... DeusConfitebor tibi... Deus
  49. 🔍 21% Omnia quae fecistiOmnia quae fecisti
  50. 🔍 21% Improperium... simul contristareturImproperium... simul contristaretur
  51. 🔍 21% ExsultavitExsultavit
  52. 🔍 21% In me gratiaIn me gratia
  53. 🔍 21% Ego autem in Domino gaudeboEgo autem in Domino gaudebo
  54. 🔍 21% Lex veritatisLex veritatis
  55. 🔍 21% CognoviCognovi
  56. 🔍 21% Immittet AngelusImmittet Angelus
  57. 🔍 21% Emitte SpiritumEmitte Spiritum
  58. 🔍 21% SanctificavitSanctificavit
  59. 🔍 21% Dum sanctificatusDum sanctificatus
  60. 🔍 21% Iubilate Deo universaIubilate Deo universa
  61. 🔍 21% Salus populiSalus populi
  62. 🔍 21% Repleatur osRepleatur os
  63. 🔍 21% Aeterne Rex altissimeAeterne Rex altissime
  64. 🔍 21% Satiavit DominusSatiavit Dominus
  65. 🔍 21% Confitebor Domino cum AlleluiaConfitebor Domino cum Alleluia