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% Hagios o TheosHagios o Theos
  2. 🔍 54% Hagios o TheosHagios o Theos
  3. 🔍 39% The Reproaches (2)The Reproaches (2)
  4. 🔍 32% The Reproaches (4)The Reproaches (4)
  5. 🔍 30% The Reproaches (3)The Reproaches (3)
  6. 🔍 28% The Reproaches (5)The Reproaches (5)
  7. 🔍 26% Alleluia. (T.P. ad Completorium)Alleluia. (T.P. ad Completorium)
  8. 🔍 25% Sanctus DeusSanctus Deus
  9. 🔍 23% The Reproaches (6)The Reproaches (6)
  10. 🔍 22% Exsultabunt DominoExsultabunt Domino
  11. 🔍 22% Ite XV/XVIIte XV/XVI
  12. 🔍 21% Ite XIVIte XIV
  13. 🔍 20% Popule meusPopule meus
  14. 🔍 20% Popule meus quidPopule meus quid
  15. 🔍 19% Litania 02 Pater de caelisLitania 02 Pater de caelis
  16. 🔍 19% Deus adjuvat meDeus adjuvat me
  17. 🔍 17% Misericordia tuaMisericordia tua
  18. 🔍 17% The Reproaches (7)The Reproaches (7)
  19. 🔍 17% Tu gloria JerusalemTu gloria Jerusalem
  20. 🔍 17% Venite filiiVenite filii
  21. 🔍 17% Alleluia. (Sund. P. T. at Vespers)Alleluia. (Sund. P. T. at Vespers)
  22. 🔍 17% Benedictus esBenedictus es
  23. 🔍 17% Benedicta es tuBenedicta es tu
  24. 🔍 17% Benedico... FiliumBenedico... Filium
  25. 🔍 16% Miserere mihiMiserere mihi
  26. 🔍 16% Recordare VirgoRecordare Virgo
  27. 🔍 16% Tu DomineTu Domine
  28. 🔍 16% Deus autem nosterDeus autem noster
  29. 🔍 16% Joannes autemJoannes autem
  30. 🔍 16% Adjutor meusAdjutor meus
  31. 🔍 16% Qui timet DominumQui timet Dominum
  32. 🔍 16% Sanctus XVIIISanctus XVIII
  33. 🔍 16% Deus meus misericordiaDeus meus misericordia
  34. 🔍 16% Ego propter teEgo propter te
  35. 🔍 15% Ecce quam bonumEcce quam bonum
  36. 🔍 15% RequiescantRequiescant
  37. 🔍 15% Alleluia (ad communionem mode 3)Alleluia (ad communionem mode 3)
  38. 🔍 15% Intret oratioIntret oratio
  39. 🔍 15% Salvum me facSalvum me fac
  40. 🔍 15% Ecce quam bonumEcce quam bonum
  41. 🔍 15% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  42. 🔍 15% Alleluia. (Thursday P. T. at Vespers)Alleluia. (Thursday P. T. at Vespers)
  43. 🔍 15% Dixit Dominus DominoDixit Dominus Domino
  44. 🔍 15% Alleluia (ad communionem mode 4)Alleluia (ad communionem mode 4)
  45. 🔍 15% Excita DomineExcita Domine
  46. 🔍 15% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  47. 🔍 15% Juvenes et virg. (Office of the Dead)Juvenes et virg. (Office of the Dead)
  48. 🔍 15% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  49. 🔍 15% Unus militumUnus militum
  50. 🔍 15% Alleluia (ad communionem mode 6)Alleluia (ad communionem mode 6)
  51. 🔍 15% Alleluia. (Sund. P. T. at Prime)Alleluia. (Sund. P. T. at Prime)
  52. 🔍 15% Alleluia (ad communionem mode 1)Alleluia (ad communionem mode 1)
  53. 🔍 15% Illuminatio meaIlluminatio mea
  54. 🔍 15% Suavis DominusSuavis Dominus
  55. 🔍 15% Alleluia. (Saturday P. T. at Vespers)Alleluia. (Saturday P. T. at Vespers)
  56. 🔍 15% Alleluia. (Friday P. T. at Vespers)Alleluia. (Friday P. T. at Vespers)
  57. 🔍 15% Nimis honorati suntNimis honorati sunt
  58. 🔍 15% Alleluia. (Sund. P. T. at Terce)Alleluia. (Sund. P. T. at Terce)
  59. 🔍 15% Benedicite Dominum omnes electiBenedicite Dominum omnes electi
  60. 🔍 15% Exsultate justiExsultate justi
  61. 🔍 15% Nimis honorati suntNimis honorati sunt
  62. 🔍 15% Respexit meRespexit me
  63. 🔍 15% Alleluia. (Tuesday P. T. at Vespers)Alleluia. (Tuesday P. T. at Vespers)
  64. 🔍 15% Intret oratio meaIntret oratio mea
  65. 🔍 14% Alleluia (ad communionem mode 8)Alleluia (ad communionem mode 8)