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% Virgo potensVirgo potens
  2. 🔍 71% Virgo potens sicut turrisVirgo potens sicut turris
  3. 🔍 65% Virgo potensVirgo potens
  4. 🔍 26% O admirabile commerciumO admirabile commercium
  5. 🔍 25% Regali ex progenieRegali ex progenie
  6. 🔍 24% O admirabile commercium (alleluia)O admirabile commercium (alleluia)
  7. 🔍 23% Quae est ista speciosaQuae est ista speciosa
  8. 🔍 23% Observa filiObserva fili
  9. 🔍 23% Potens esPotens es
  10. 🔍 22% Vexilla RegisVexilla Regis
  11. 🔍 22% Vexilla Regis (Tempus Passionis)Vexilla Regis (Tempus Passionis)
  12. 🔍 22% O quam metuendusO quam metuendus
  13. 🔍 22% Observa filiObserva fili
  14. 🔍 22% Montes GelboeMontes Gelboe
  15. 🔍 22% Inclina cor meumInclina cor meum
  16. 🔍 22% Gaudent in caelisGaudent in caelis
  17. 🔍 21% Adhuc eo loquenteAdhuc eo loquente
  18. 🔍 21% O castitatis signiferO castitatis signifer
  19. 🔍 21% Martyr Dei qui unicumMartyr Dei qui unicum
  20. 🔍 21% Refulsit solRefulsit sol
  21. 🔍 21% Laetabundus (1950 version)Laetabundus (1950 version)
  22. 🔍 21% O beata VirgoO beata Virgo
  23. 🔍 21% LaetabundusLaetabundus
  24. 🔍 20% Inclina cor meumInclina cor meum
  25. 🔍 20% Laetabundus (1985 version)Laetabundus (1985 version)
  26. 🔍 20% Te Redemptoris (BMV Auxilium Christianorum)Te Redemptoris (BMV Auxilium Christianorum)
  27. 🔍 20% Pauperes SionPauperes Sion
  28. 🔍 20% Praesul invictissimusPraesul invictissimus
  29. 🔍 20% Caput tuum ut CarmelusCaput tuum ut Carmelus
  30. 🔍 20% Vexilla Regis prodeuntVexilla Regis prodeunt
  31. 🔍 20% Tu Trinitatis UnitasTu Trinitatis Unitas
  32. 🔍 20% Exsultavit... in DeoExsultavit... in Deo
  33. 🔍 20% Beata es Virgo Maria Dei (Ant)Beata es Virgo Maria Dei (Ant)
  34. 🔍 20% Pater fidei nostraePater fidei nostrae
  35. 🔍 20% Immensa et unaImmensa et una
  36. 🔍 20% Beata es, Virgo Maria, quaeBeata es, Virgo Maria, quae
  37. 🔍 20% Ascendente JesuAscendente Jesu
  38. 🔍 19% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  39. 🔍 19% Caelestis urbs JerusalemCaelestis urbs Jerusalem
  40. 🔍 19% Audit tyrannus anxiusAudit tyrannus anxius
  41. 🔍 19% Exaltata est Virgo MariaExaltata est Virgo Maria
  42. 🔍 19% Angeli eorum... Patris meiAngeli eorum... Patris mei
  43. 🔍 19% Rector potens (In Adventu)Rector potens (In Adventu)
  44. 🔍 19% Rector potens (In Adventu)Rector potens (In Adventu)
  45. 🔍 19% Rector potens (In Tempore Passionis)Rector potens (In Tempore Passionis)
  46. 🔍 19% Venite exultemus IV GVenite exultemus IV G
  47. 🔍 19% Potens esPotens es
  48. 🔍 19% Vexilla Regis (extra Tempus Passionis)Vexilla Regis (extra Tempus Passionis)
  49. 🔍 19% Gaudent in caelisGaudent in caelis
  50. 🔍 19% Te Redemptoris (BMV Reginae Poloniae)Te Redemptoris (BMV Reginae Poloniae)
  51. 🔍 19% Justi epulenturJusti epulentur
  52. 🔍 19% Nativitas gloriosaeNativitas gloriosae
  53. 🔍 18% Non potest arbor bonaNon potest arbor bona
  54. 🔍 18% Rector potens (in Festo Septem Dolorum BMV)Rector potens (in Festo Septem Dolorum BMV)
  55. 🔍 18% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  56. 🔍 18% Invicte Martyr unicumInvicte Martyr unicum
  57. 🔍 18% O lux beata Trinitas (aestivalis)O lux beata Trinitas (aestivalis)
  58. 🔍 18% Lucia VirgoLucia Virgo
  59. 🔍 18% Trahe nos VirgoTrahe nos Virgo
  60. 🔍 18% Martyr Dei, qui unicumMartyr Dei, qui unicum
  61. 🔍 18% Montes GelboeMontes Gelboe
  62. 🔍 18% Invicte MartyrInvicte Martyr
  63. 🔍 18% Virgo verboVirgo verbo
  64. 🔍 18% Rector potens verax Deus (In Quadragesima)Rector potens verax Deus (In Quadragesima)
  65. 🔍 18% Rex exaltaturRex exaltatur