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% Ad sancti Petri tumulumAd sancti Petri tumulum
  2. 🔍 34% De tumbaDe tumba
  3. 🔍 25% Ascendit DeusAscendit Deus
  4. 🔍 24% Exsultet mentisExsultet mentis
  5. 🔍 22% Motu sensuMotu sensu
  6. 🔍 22% Sacerdotes sanctiSacerdotes sancti
  7. 🔍 22% Ascendit DeusAscendit Deus
  8. 🔍 22% O martyr egregieO martyr egregie
  9. 🔍 21% Ascendit ChristusAscendit Christus
  10. 🔍 21% Ascendit fumus... allel.Ascendit fumus... allel.
  11. 🔍 21% Ascendit DeusAscendit Deus
  12. 🔍 21% Jesu Redemptor omnium (Nat.)Jesu Redemptor omnium (Nat.)
  13. 🔍 21% Jesu Redemptor omnium (T. Nativitatis)Jesu Redemptor omnium (T. Nativitatis)
  14. 🔍 21% In caelesti hierarchiaIn caelesti hierarchia
  15. 🔍 20% Ave stellaAve stella
  16. 🔍 20% Lux de luceLux de luce
  17. 🔍 20% Sancti et justiSancti et justi
  18. 🔍 20% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  19. 🔍 20% Iste est qui pro legeIste est qui pro lege
  20. 🔍 20% Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)Jesu Redemptor omnium (Pont.) (Pro S. Silvestro)
  21. 🔍 20% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  22. 🔍 20% Jesu Salvator saeculiJesu Salvator saeculi
  23. 🔍 20% Deus tuorum militum (Pro S. Stephano)Deus tuorum militum (Pro S. Stephano)
  24. 🔍 20% Deus tuorum militum (St. Stephen)Deus tuorum militum (St. Stephen)
  25. 🔍 19% Alleluia. Dom. LaudAlleluia. Dom. Laud
  26. 🔍 19% Virginis proles (III)Virginis proles (III)
  27. 🔍 19% Alleluia laudate DominumAlleluia laudate Dominum
  28. 🔍 19% Exsultet orbis gaudiis (Pro S. Joanne Evang.)Exsultet orbis gaudiis (Pro S. Joanne Evang.)
  29. 🔍 19% Et ecce terraemotusEt ecce terraemotus
  30. 🔍 19% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  31. 🔍 19% Exsultet orbis gaudiis (St. John Evangelist)Exsultet orbis gaudiis (St. John Evangelist)
  32. 🔍 19% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  33. 🔍 19% Invicte Martyr unicum (Pro S. Stephano)Invicte Martyr unicum (Pro S. Stephano)
  34. 🔍 18% Salvete flores MartyrumSalvete flores Martyrum
  35. 🔍 18% Sacerdotes sanctiSacerdotes sancti
  36. 🔍 18% Jesu corona caelitumJesu corona caelitum
  37. 🔍 18% Ecce Dominus venietEcce Dominus veniet
  38. 🔍 18% Lux perpetuaLux perpetua
  39. 🔍 18% Usque modoUsque modo
  40. 🔍 18% Angelus autem DominiAngelus autem Domini
  41. 🔍 18% Iste confessor (III)Iste confessor (III)
  42. 🔍 18% AngularisAngularis
  43. 🔍 18% Angelus autem DominiAngelus autem Domini
  44. 🔍 18% Audit tyrannus anxiusAudit tyrannus anxius
  45. 🔍 18% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  46. 🔍 18% O crux splendidiorO crux splendidior
  47. 🔍 18% Salvete flores MartyrumSalvete flores Martyrum
  48. 🔍 18% Alleluia confiteminiAlleluia confitemini
  49. 🔍 18% Aequa Pii justitiaAequa Pii justitia
  50. 🔍 18% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  51. 🔍 18% Sancti et justiSancti et justi
  52. 🔍 18% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  53. 🔍 18% Ascendente JesuAscendente Jesu
  54. 🔍 18% Mente jucundaMente jucunda
  55. 🔍 18% Ascendit fumusAscendit fumus
  56. 🔍 18% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  57. 🔍 17% Benedicamus Domino (In Primis Octavae Paschae)Benedicamus Domino (In Primis Octavae Paschae)
  58. 🔍 17% Ascendit DeusAscendit Deus
  59. 🔍 17% Jesu dulcis memoria (Nat)Jesu dulcis memoria (Nat)
  60. 🔍 17% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  61. 🔍 17% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  62. 🔍 17% Oculis ac manibusOculis ac manibus
  63. 🔍 17% AscendoAscendo
  64. 🔍 17% Domum tuam... allel.Domum tuam... allel.
  65. 🔍 17% Ave Regina CaelorumAve Regina Caelorum