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% Divinis namqueDivinis namque
  2. 🔍 31% Quem terra pontus aetheraQuem terra pontus aethera
  3. 🔍 30% Rex SanctorumRex Sanctorum
  4. 🔍 29% Bernardus doctor inclitusBernardus doctor inclitus
  5. 🔍 28% Quem terra pontus aetheraQuem terra pontus aethera
  6. 🔍 28% O rex aeterne DomineO rex aeterne Domine
  7. 🔍 27% Virginis CatharinaeVirginis Catharinae
  8. 🔍 27% Impleta gaudentImpleta gaudent
  9. 🔍 27% Quis... homoQuis... homo
  10. 🔍 26% Agnes beatae virginisAgnes beatae virginis
  11. 🔍 26% Aeterne rerum conditorAeterne rerum conditor
  12. 🔍 26% Sanctorum meritis inclyta gaudiaSanctorum meritis inclyta gaudia
  13. 🔍 26% Tu gloria... o RosaTu gloria... o Rosa
  14. 🔍 25% O gloriosa DominaO gloriosa Domina
  15. 🔍 25% Tu gloria Jerusalem (I)Tu gloria Jerusalem (I)
  16. 🔍 25% Jubilate DeoJubilate Deo
  17. 🔍 25% Tantum ergo (cantus XI)Tantum ergo (cantus XI)
  18. 🔍 25% Solis o VirgoSolis o Virgo
  19. 🔍 25% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  20. 🔍 25% O virgo maximaO virgo maxima
  21. 🔍 25% Solis o VirgoSolis o Virgo
  22. 🔍 25% Beata nobisBeata nobis
  23. 🔍 24% Rex SanctorumRex Sanctorum
  24. 🔍 24% Sanctorum meritisSanctorum meritis
  25. 🔍 24% Virgo gloriosaVirgo gloriosa
  26. 🔍 24% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  27. 🔍 24% Veni Redemptor gentiumVeni Redemptor gentium
  28. 🔍 24% Angularis fundamentumAngularis fundamentum
  29. 🔍 24% Festiva vos archangeliFestiva vos archangeli
  30. 🔍 24% Et ecce voxEt ecce vox
  31. 🔍 24% Solis o VirgoSolis o Virgo
  32. 🔍 24% Aeterne rerum... qui mareAeterne rerum... qui mare
  33. 🔍 23% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  34. 🔍 23% Ante thronum TrinitatisAnte thronum Trinitatis
  35. 🔍 23% In martyris LaurentiiIn martyris Laurentii
  36. 🔍 23% ExsultabundaExsultabunda
  37. 🔍 23% Rerum omniumRerum omnium
  38. 🔍 23% Gloria laudisGloria laudis
  39. 🔍 23% Deus tuorum militumDeus tuorum militum
  40. 🔍 23% Urbis aeterne celebresUrbis aeterne celebres
  41. 🔍 23% Deus tuorum militumDeus tuorum militum
  42. 🔍 23% Assumptus ex equuleoAssumptus ex equuleo
  43. 🔍 23% In benedictioneIn benedictione
  44. 🔍 23% A solis ortusA solis ortus
  45. 🔍 23% Te lucis ante terminum (In Solemnitatibus)Te lucis ante terminum (In Solemnitatibus)
  46. 🔍 23% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  47. 🔍 23% Candor aeternaeCandor aeternae
  48. 🔍 22% Crux benedictaCrux benedicta
  49. 🔍 22% CopiosaeCopiosae
  50. 🔍 22% Aeterna imago altissimiAeterna imago altissimi
  51. 🔍 22% Deus tuorum militumDeus tuorum militum
  52. 🔍 22% Te lucis ante terminum (In Major. Festis per Annum)Te lucis ante terminum (In Major. Festis per Annum)
  53. 🔍 22% Jam lucis orto sidere (In Festo S. Cordis Jesu)Jam lucis orto sidere (In Festo S. Cordis Jesu)
  54. 🔍 22% Jam toto subitusJam toto subitus
  55. 🔍 22% Angularis fundamentumAngularis fundamentum
  56. 🔍 22% Invicte Martyr unicum (Alter tonus)Invicte Martyr unicum (Alter tonus)
  57. 🔍 22% Sacerdotes sanctiSacerdotes sancti
  58. 🔍 22% Non illam cruciansNon illam crucians
  59. 🔍 22% Ego sum pastor bonusEgo sum pastor bonus
  60. 🔍 22% OmnipotentiOmnipotenti
  61. 🔍 22% Grande RaymundiGrande Raymundi
  62. 🔍 22% Alleluia (mode 8)Alleluia (mode 8)
  63. 🔍 22% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  64. 🔍 22% Urbs Ierusalem beataUrbs Ierusalem beata
  65. 🔍 22% Deus tuorum militumDeus tuorum militum