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% Prope est jam Dominus (in Feriis)Prope est jam Dominus (in Feriis)
  2. 🔍 41% Prope est jam Dominus (in Dominicis)Prope est jam Dominus (in Dominicis)
  3. 🔍 31% Regem venturum Dominum (in Feriis)Regem venturum Dominum (in Feriis)
  4. 🔍 30% Prope est iam Dominus (In feriis)Prope est iam Dominus (In feriis)
  5. 🔍 27% Prope est iam DominusPrope est iam Dominus
  6. 🔍 26% Laudemus Deum nostrum (singularis)Laudemus Deum nostrum (singularis)
  7. 🔍 26% Dominum Deum nostrumDominum Deum nostrum
  8. 🔍 25% In nomine JesuIn nomine Jesu
  9. 🔍 25% Populus DominiPopulus Domini
  10. 🔍 24% Regem Martyrum Dominum (simpl.)Regem Martyrum Dominum (simpl.)
  11. 🔍 23% Regem Virginum Dominum (simpl.)Regem Virginum Dominum (simpl.)
  12. 🔍 23% O quam pulchra estO quam pulchra est
  13. 🔍 22% Prope est iam DominusPrope est iam Dominus
  14. 🔍 22% Regem Virginum Dominum (maj.)Regem Virginum Dominum (maj.)
  15. 🔍 21% Factus sum sicut homoFactus sum sicut homo
  16. 🔍 21% Angelus Gabriel nuntiavitAngelus Gabriel nuntiavit
  17. 🔍 21% Beatus vir qui in lege ... voluntasBeatus vir qui in lege ... voluntas
  18. 🔍 21% Regem Apostolorum (min.)Regem Apostolorum (min.)
  19. 🔍 21% Domine iste SanctusDomine iste Sanctus
  20. 🔍 21% Inimici mei dixeruntInimici mei dixerunt
  21. 🔍 21% Cantate Deo psalmum diciteCantate Deo psalmum dicite
  22. 🔍 21% Regem Apostolorum (simpl.)Regem Apostolorum (simpl.)
  23. 🔍 21% Admirabile nomen JesuAdmirabile nomen Jesu
  24. 🔍 21% Regem magnum DominumRegem magnum Dominum
  25. 🔍 21% Deum magnum DominumDeum magnum Dominum
  26. 🔍 21% Lumina fel sanatLumina fel sanat
  27. 🔍 21% Specie tuaSpecie tua
  28. 🔍 21% Regem Martyrum Dominum (max.)Regem Martyrum Dominum (max.)
  29. 🔍 21% Deus vitam meam annuntiaviDeus vitam meam annuntiavi
  30. 🔍 20% Peperit filium suumPeperit filium suum
  31. 🔍 20% Coepit contristariCoepit contristari
  32. 🔍 20% Posui adjutoriumPosui adjutorium
  33. 🔍 20% Inventae Crucis festaInventae Crucis festa
  34. 🔍 20% Regem Virginum Dominum (min.)Regem Virginum Dominum (min.)
  35. 🔍 20% Regem cui omnia vivunt (3 Lect.)Regem cui omnia vivunt (3 Lect.)
  36. 🔍 20% Domine Dominus nosterDomine Dominus noster
  37. 🔍 20% Ave MariaAve Maria
  38. 🔍 20% Solemnitatem RosariiSolemnitatem Rosarii
  39. 🔍 20% Missus est GabrielMissus est Gabriel
  40. 🔍 20% Ascendit JosephAscendit Joseph
  41. 🔍 20% Regem Confessorum Dominum (min.)Regem Confessorum Dominum (min.)
  42. 🔍 20% Requirentes JesumRequirentes Jesum
  43. 🔍 20% Regem Confessorum Dominum (simpl.)Regem Confessorum Dominum (simpl.)
  44. 🔍 20% Venite exsultemus (mode 6a simplex)Venite exsultemus (mode 6a simplex)
  45. 🔍 20% Prope est iam Dominus (In dominica)Prope est iam Dominus (In dominica)
  46. 🔍 20% Benedixit te Dominus in virtuteBenedixit te Dominus in virtute
  47. 🔍 20% Regem cuiRegem cui
  48. 🔍 19% Egressus Tobias invenitEgressus Tobias invenit
  49. 🔍 19% Dominus possedit teDominus possedit te
  50. 🔍 19% Jubilemus DeoJubilemus Deo
  51. 🔍 19% Ave Maria (maj.)Ave Maria (maj.)
  52. 🔍 19% Dixit autem Angelus apprehendeDixit autem Angelus apprehende
  53. 🔍 19% Regem Archangelorum DominumRegem Archangelorum Dominum
  54. 🔍 19% Exaudiat te DominusExaudiat te Dominus
  55. 🔍 19% Angelus Raphael seipsumAngelus Raphael seipsum
  56. 🔍 19% Christum Dei Filium qui putariChristum Dei Filium qui putari
  57. 🔍 19% Magnus Dominus... in civitateMagnus Dominus... in civitate
  58. 🔍 19% Intravit MariaIntravit Maria
  59. 🔍 19% Apprehendit PilatusApprehendit Pilatus
  60. 🔍 19% Qui operatus estQui operatus est
  61. 🔍 19% Quam admirabileQuam admirabile
  62. 🔍 18% Regem Apostolorum (TP)Regem Apostolorum (TP)
  63. 🔍 18% InvocantemInvocantem
  64. 🔍 18% Locutus est GabrielLocutus est Gabriel
  65. 🔍 18% Dolores gloriosaeDolores gloriosae