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% Laudes clarasLaudes claras
  2. 🔍 42% Doctori gentium!Doctori gentium!
  3. 🔍 38% Roma Petro GlorieturRoma Petro Glorietur
  4. 🔍 37% Hodiernae lux dieiHodiernae lux diei
  5. 🔍 37% De profundis tenebrarum!De profundis tenebrarum!
  6. 🔍 36% Te DeumTe Deum
  7. 🔍 36% Lignum vitae quaerimus!Lignum vitae quaerimus!
  8. 🔍 36% Te Deum laudamus (tonus simplex)Te Deum laudamus (tonus simplex)
  9. 🔍 36% Te DeumTe Deum
  10. 🔍 36% Hymnus Te DeumHymnus Te Deum
  11. 🔍 35% Sanctitatis nova signaSanctitatis nova signa
  12. 🔍 35% Sanctitatis nova signaSanctitatis nova signa
  13. 🔍 35% De profundis exclamantesDe profundis exclamantes
  14. 🔍 35% Exsultet iam angelicaExsultet iam angelica
  15. 🔍 35% Exsultet caelum (I)Exsultet caelum (I)
  16. 🔍 35% Lauda SionLauda Sion
  17. 🔍 34% Lauda SionLauda Sion
  18. 🔍 34% Puer Nobis NasciturPuer Nobis Nascitur
  19. 🔍 34% Jesu salus mortaliumJesu salus mortalium
  20. 🔍 33% Defensor alme HispaniaeDefensor alme Hispaniae
  21. 🔍 33% Gloria IX (forma ordinaria)Gloria IX (forma ordinaria)
  22. 🔍 33% Passio DNJC secundum MarcumPassio DNJC secundum Marcum
  23. 🔍 33% Martinae celebriMartinae celebri
  24. 🔍 33% Gloria VGloria V
  25. 🔍 33% Ave Regis AngelorumAve Regis Angelorum
  26. 🔍 33% Te beata sponsa ChristiTe beata sponsa Christi
  27. 🔍 33% Te Deum (Simple tone)Te Deum (Simple tone)
  28. 🔍 33% In Francisci filioIn Francisci filio
  29. 🔍 33% Laudes Crucis AttollamusLaudes Crucis Attollamus
  30. 🔍 32% Salve dies dierumSalve dies dierum
  31. 🔍 32% Salve dies dierum gloriaSalve dies dierum gloria
  32. 🔍 32% Noe vero cumNoe vero cum
  33. 🔍 32% Passio Domini nostri Jesu Christi secundum Marcum - ANNO BPassio Domini nostri Jesu Christi secundum Marcum - ANNO B
  34. 🔍 32% Passio DNJC secundum LucamPassio DNJC secundum Lucam
  35. 🔍 32% Exsultet jam AngelicaExsultet jam Angelica
  36. 🔍 32% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  37. 🔍 31% Sursum sonetSursum sonet
  38. 🔍 31% Festum MariaeFestum Mariae
  39. 🔍 31% O Maria mater piaO Maria mater pia
  40. 🔍 31% Passio Domini nostri Jesu Christi secundum Lucam - ANNO CPassio Domini nostri Jesu Christi secundum Lucam - ANNO C
  41. 🔍 31% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  42. 🔍 31% Voce jucunditatisVoce jucunditatis
  43. 🔍 31% Non illam cruciansNon illam crucians
  44. 🔍 31% Hymnus Te DeumHymnus Te Deum
  45. 🔍 31% O vos aethereiO vos aetherei
  46. 🔍 30% Ave Virgo nobilisAve Virgo nobilis
  47. 🔍 30% Non fraus magnanimumNon fraus magnanimum
  48. 🔍 30% Venite exultemus VIIVenite exultemus VII
  49. 🔍 30% Sacra jam splendentSacra jam splendent
  50. 🔍 30% Tu natale solum protegeTu natale solum protege
  51. 🔍 30% Passio DNJC secundum MatthaeumPassio DNJC secundum Matthaeum
  52. 🔍 30% Credo VIICredo VII
  53. 🔍 30% O lux et decusO lux et decus
  54. 🔍 30% Vitae novae praevia!Vitae novae praevia!
  55. 🔍 30% Venite exultemus IIIVenite exultemus III
  56. 🔍 30% Te Matrem laudamusTe Matrem laudamus
  57. 🔍 30% Ave lumenAve lumen
  58. 🔍 29% Jerusalem et SionJerusalem et Sion
  59. 🔍 29% Passio Domini nostri Jesu Christi secundum Matthaeum - ANNO APassio Domini nostri Jesu Christi secundum Matthaeum - ANNO A
  60. 🔍 29% Praefatio solemnior de sancto Joanne BaptistaPraefatio solemnior de sancto Joanne Baptista
  61. 🔍 29% Jerusalem et SionJerusalem et Sion
  62. 🔍 29% Jerusalem et SionJerusalem et Sion
  63. 🔍 29% Custodes hominumCustodes hominum
  64. 🔍 29% Te lucis ante terminum (in Festis I classis)Te lucis ante terminum (in Festis I classis)
  65. 🔍 29% BenedictusBenedictus