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 πŸ” to find similarities to the given chant.

  1. πŸ” 100% Optatus votisOptatus votis
  2. πŸ” 74% Optatus votis omniumOptatus votis omnium
  3. πŸ” 65% Lucis Creator optime (Alius tonus II)Lucis Creator optime (Alius tonus II)
  4. πŸ” 63% Lucis Creator optime (another chant)Lucis Creator optime (another chant)
  5. πŸ” 53% Optatus votis omniumOptatus votis omnium
  6. πŸ” 48% Sanctorum meritisSanctorum meritis
  7. πŸ” 44% Agnes beatae virginisAgnes beatae virginis
  8. πŸ” 42% Veni Creator SpiritusVeni Creator Spiritus
  9. πŸ” 42% Ave maris stellaAve maris stella
  10. πŸ” 41% Iesu Salvator saeculiIesu Salvator saeculi
  11. πŸ” 41% Jam Christus astraJam Christus astra
  12. πŸ” 40% Christum rogemusChristum rogemus
  13. πŸ” 40% Post Petrum primumPost Petrum primum
  14. πŸ” 39% Beata nobis gaudiaBeata nobis gaudia
  15. πŸ” 39% Summi largitor praemiiSummi largitor praemii
  16. πŸ” 38% Quale cum caelumQuale cum caelum
  17. πŸ” 38% Venite exultemus IVenite exultemus I
  18. πŸ” 37% Illuminans AltissimusIlluminans Altissimus
  19. πŸ” 37% Iesu corona virginumIesu corona virginum
  20. πŸ” 37% Credo I (forma ordinaria)Credo I (forma ordinaria)
  21. πŸ” 37% Apostolorum supparemApostolorum supparem
  22. πŸ” 37% Iesu nostra redemptioIesu nostra redemptio
  23. πŸ” 37% Agathae sacraeAgathae sacrae
  24. πŸ” 37% Aeterne Rex altissimeAeterne Rex altissime
  25. πŸ” 36% Credo ICredo I
  26. πŸ” 36% Credo ICredo I
  27. πŸ” 35% Vexilla RegisVexilla Regis
  28. πŸ” 34% Panis solemnisPanis solemnis
  29. πŸ” 34% Credo ICredo I
  30. πŸ” 34% O quam glorificaO quam glorifica
  31. πŸ” 33% Exsultet orbis gaudiisExsultet orbis gaudiis
  32. πŸ” 33% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  33. πŸ” 33% Sacris SolemnisSacris Solemnis
  34. πŸ” 33% Judicii signumJudicii signum
  35. πŸ” 32% Stephani primi martyrisStephani primi martyris
  36. πŸ” 32% Exsultet orbis gaudiisExsultet orbis gaudiis
  37. πŸ” 32% Mysterium EcclesiaeMysterium Ecclesiae
  38. πŸ” 32% Almi prophetaeAlmi prophetae
  39. πŸ” 31% Apostolorum passioApostolorum passio
  40. πŸ” 31% Ad coenamAd coenam
  41. πŸ” 31% Sacris solemniisSacris solemniis
  42. πŸ” 31% Rerum Deus fonsRerum Deus fons
  43. πŸ” 31% Deus tuorum militumDeus tuorum militum
  44. πŸ” 30% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  45. πŸ” 30% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  46. πŸ” 30% Credo VCredo V
  47. πŸ” 30% Deus tuorum militumDeus tuorum militum
  48. πŸ” 30% Exsultet caelum (II)Exsultet caelum (II)
  49. πŸ” 30% Hymnum dicamus DominoHymnum dicamus Domino
  50. πŸ” 30% Tu Trinitatis unitasTu Trinitatis unitas
  51. πŸ” 29% AetΓ©rna imΓ‘goAetΓ©rna imΓ‘go
  52. πŸ” 29% Aeterna imago altissimiAeterna imago altissimi
  53. πŸ” 29% Auctor beate saeculiAuctor beate saeculi
  54. πŸ” 29% En ut superbaEn ut superba
  55. πŸ” 29% O gloriosa DominaO gloriosa Domina
  56. πŸ” 29% Deus tuorum militumDeus tuorum militum
  57. πŸ” 28% Crux fidelisCrux fidelis
  58. πŸ” 28% Salvete Christi vulneraSalvete Christi vulnera
  59. πŸ” 28% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  60. πŸ” 28% Deus tuorum militumDeus tuorum militum
  61. πŸ” 28% O lux beata Trinitas (hiemalis)O lux beata Trinitas (hiemalis)
  62. πŸ” 28% Deus tuorum militumDeus tuorum militum
  63. πŸ” 28% Angelorum escaAngelorum esca
  64. πŸ” 28% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  65. πŸ” 28% Aeterna imago AltissimiAeterna imago Altissimi