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: 2025-12-19. 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% Laetabitur justusLaetabitur justus
  2. 🔍 53% Laetabitur (I)Laetabitur (I)
  3. 🔍 40% Laetabitur (II)Laetabitur (II)
  4. 🔍 38% Laetabitur justus (Intr.)Laetabitur justus (Intr.)
  5. 🔍 34% In sanctitate serviamusIn sanctitate serviamus
  6. 🔍 34% Laetabitur justusLaetabitur justus
  7. 🔍 33% Laetabitur justusLaetabitur justus
  8. 🔍 33% In Domino justificabiturIn Domino justificabitur
  9. 🔍 31% Justus DominusJustus Dominus
  10. 🔍 30% Jubilate DeoJubilate Deo
  11. 🔍 29% Laetatus sumLaetatus sum
  12. 🔍 29% Simeon justusSimeon justus
  13. 🔍 29% Omnes inimici meiOmnes inimici mei
  14. 🔍 29% Justus germinabit (T. Pasch.)Justus germinabit (T. Pasch.)
  15. 🔍 29% Justus germinabitJustus germinabit
  16. 🔍 29% Justus germinabit (T. Pasch.)Justus germinabit (T. Pasch.)
  17. 🔍 28% Omnis spiritusOmnis spiritus
  18. 🔍 28% Laetabitur justusLaetabitur justus
  19. 🔍 28% Justus ut palmaJustus ut palma
  20. 🔍 28% Domine in virtuteDomine in virtute
  21. 🔍 28% Bonum est sperareBonum est sperare
  22. 🔍 28% Jubilate in conspectuJubilate in conspectu
  23. 🔍 28% Domine in caeloDomine in caelo
  24. 🔍 28% In tua justitiaIn tua justitia
  25. 🔍 28% Qui persequebantur justumQui persequebantur justum
  26. 🔍 28% Laetabitur justusLaetabitur justus
  27. 🔍 27% Clamavi et DominusClamavi et Dominus
  28. 🔍 27% InvocabimusInvocabimus
  29. 🔍 27% Laetabitur justus (Com.)Laetabitur justus (Com.)
  30. 🔍 27% Laetamini cum JerusalemLaetamini cum Jerusalem
  31. 🔍 27% Sit nomen Domini... inSit nomen Domini... in
  32. 🔍 26% Adjutorium nostrumAdjutorium nostrum
  33. 🔍 26% Domine ostendeDomine ostende
  34. 🔍 26% Dixit Dominus DominoDixit Dominus Domino
  35. 🔍 26% Deus meus in te confidoDeus meus in te confido
  36. 🔍 26% Ecce vir OriensEcce vir Oriens
  37. 🔍 26% Ecce vir OriensEcce vir Oriens
  38. 🔍 26% Cantate Domino et benediciteCantate Domino et benedicite
  39. 🔍 26% Sit nomen DominiSit nomen Domini
  40. 🔍 26% Justus germinabitJustus germinabit
  41. 🔍 26% Nolite timereNolite timere
  42. 🔍 26% Benedictus Dominus DeusBenedictus Dominus Deus
  43. 🔍 25% Sanctorum velut aquilaeSanctorum velut aquilae
  44. 🔍 25% Domine labia meaDomine labia mea
  45. 🔍 25% Exaltate DominumExaltate Dominum
  46. 🔍 25% Elegit DominusElegit Dominus
  47. 🔍 25% Dominus legiferDominus legifer
  48. 🔍 25% Omnis spiritusOmnis spiritus
  49. 🔍 25% Juravit DominusJuravit Dominus
  50. 🔍 25% Simeon justusSimeon justus
  51. 🔍 25% Adjutorium nostrumAdjutorium nostrum
  52. 🔍 25% In Deo speraviIn Deo speravi
  53. 🔍 25% Deus misereaturDeus misereatur
  54. 🔍 25% Clamavi et DominusClamavi et Dominus
  55. 🔍 25% Justus ut palma... allel.Justus ut palma... allel.
  56. 🔍 25% Simeon justus et timoratusSimeon justus et timoratus
  57. 🔍 24% Si iniquitates (Ant)Si iniquitates (Ant)
  58. 🔍 24% Dixit Dominus DominoDixit Dominus Domino
  59. 🔍 24% Exsultavit spiritusExsultavit spiritus
  60. 🔍 24% Inclinavit DominusInclinavit Dominus
  61. 🔍 24% Domine refugiumDomine refugium
  62. 🔍 24% Exortum est (Christmas)Exortum est (Christmas)
  63. 🔍 24% In tribulatione invocaviIn tribulatione invocavi
  64. 🔍 24% Ascendit DeusAscendit Deus
  65. 🔍 24% Ecce sacerdos magnusEcce sacerdos magnus