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% Bellator armisBellator armis
  2. 🔍 15% Agnes beatae virginisAgnes beatae virginis
  3. 🔍 15% Sanctorum meritisSanctorum meritis
  4. 🔍 15% Amore Christi nobilisAmore Christi nobilis
  5. 🔍 15% Veni Creator SpiritusVeni Creator Spiritus
  6. 🔍 15% Iam surgit hora tertiaIam surgit hora tertia
  7. 🔍 15% Laeti colentes famulumLaeti colentes famulum
  8. 🔍 15% Post Petrum primumPost Petrum primum
  9. 🔍 14% Iesu corona celsiorIesu corona celsior
  10. 🔍 14% Iesu Salvator saeculiIesu Salvator saeculi
  11. 🔍 14% Hymnum dicamus DominoHymnum dicamus Domino
  12. 🔍 14% Veni Redemptor gentiumVeni Redemptor gentium
  13. 🔍 14% Christum rogemusChristum rogemus
  14. 🔍 14% Iesu corona celsiorIesu corona celsior
  15. 🔍 14% Iesu corona celsiorIesu corona celsior
  16. 🔍 14% Iesu corona celsiorIesu corona celsior
  17. 🔍 13% Illuminans AltissimusIlluminans Altissimus
  18. 🔍 13% Optatus votisOptatus votis
  19. 🔍 13% Ave maris stellaAve maris stella
  20. 🔍 13% Jam Christus astraJam Christus astra
  21. 🔍 13% Christe Redemptor omnium ex PatreChriste Redemptor omnium ex Patre
  22. 🔍 13% Angeli in campis cantantAngeli in campis cantant
  23. 🔍 13% Vexilla RegisVexilla Regis
  24. 🔍 13% Christe Redemptor omniumChriste Redemptor omnium
  25. 🔍 13% Iesu nostra redemptioIesu nostra redemptio
  26. 🔍 12% Mysteriorum signiferMysteriorum signifer
  27. 🔍 12% Beata nobis gaudiaBeata nobis gaudia
  28. 🔍 12% Summi largitor praemiiSummi largitor praemii
  29. 🔍 12% Tu Trinitatis UnitasTu Trinitatis Unitas
  30. 🔍 11% Exsultet iam angelicaExsultet iam angelica
  31. 🔍 11% Mysterium EcclesiaeMysterium Ecclesiae
  32. 🔍 11% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  33. 🔍 11% Exsultet jam AngelicaExsultet jam Angelica
  34. 🔍 11% Ad coenamAd coenam
  35. 🔍 11% Agathae sacraeAgathae sacrae
  36. 🔍 11% Apostolorum supparemApostolorum supparem
  37. 🔍 11% Aeterne Rex altissimeAeterne Rex altissime
  38. 🔍 11% Exsultet iam angelicaExsultet iam angelica
  39. 🔍 11% Apostolorum passioApostolorum passio
  40. 🔍 11% Almi prophetaeAlmi prophetae
  41. 🔍 10% O MartineO Martine
  42. 🔍 10% Factum est in unaFactum est in una
  43. 🔍 10% O quam glorificaO quam glorifica
  44. 🔍 10% Praefatio ferialis de Nativitate DominiPraefatio ferialis de Nativitate Domini
  45. 🔍 10% Praefatio ferialis de Ecclesiae DedicationePraefatio ferialis de Ecclesiae Dedicatione
  46. 🔍 10% Gaude SionGaude Sion
  47. 🔍 10% Stephani primi martyrisStephani primi martyris
  48. 🔍 10% Deus tuorum militumDeus tuorum militum
  49. 🔍 10% Adspice in meAdspice in me
  50. 🔍 10% Tu Trinitatis (+rhythmic signs)Tu Trinitatis (+rhythmic signs)
  51. 🔍 10% Legis sacrataeLegis sacratae
  52. 🔍 10% Praefatio solemnis de Ecclesiae DedicationePraefatio solemnis de Ecclesiae Dedicatione
  53. 🔍 10% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  54. 🔍 10% Primo dPrimo d
  55. 🔍 10% Jesu Salvator saeculiJesu Salvator saeculi
  56. 🔍 10% Praefatio solemnis de Nativitate DominiPraefatio solemnis de Nativitate Domini
  57. 🔍 10% Primo dPrimo d
  58. 🔍 10% Hymnus ad Christum RegemHymnus ad Christum Regem
  59. 🔍 10% Quodcumque in orbeQuodcumque in orbe
  60. 🔍 10% Aeterna Christi muneraAeterna Christi munera
  61. 🔍 10% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  62. 🔍 10% Iesu corona virginumIesu corona virginum
  63. 🔍 9% Jam lucis orto (Festis Sermonis, et MM. maj.))Jam lucis orto (Festis Sermonis, et MM. maj.))
  64. 🔍 9% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  65. 🔍 9% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)