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% FranciscusFranciscus
  2. 🔍 67% Franciscus virFranciscus vir
  3. 🔍 28% Sanctus FranciscusSanctus Franciscus
  4. 🔍 25% Tecum principiumTecum principium
  5. 🔍 24% O doctor optimeO doctor optime
  6. 🔍 23% ExsultabundaExsultabunda
  7. 🔍 23% Ecce jamEcce jam
  8. 🔍 22% Iste confessor (II)Iste confessor (II)
  9. 🔍 22% Angelus Domini astititAngelus Domini astitit
  10. 🔍 22% Jam toto subitusJam toto subitus
  11. 🔍 22% Dies DominiDies Domini
  12. 🔍 22% Aeterne RexAeterne Rex
  13. 🔍 21% Sancti Angeli CustodesSancti Angeli Custodes
  14. 🔍 21% Erat virErat vir
  15. 🔍 21% Ave MariaAve Maria
  16. 🔍 21% Diem novae laudisDiem novae laudis
  17. 🔍 21% Intuens in caelumIntuens in caelum
  18. 🔍 21% Ibat JesusIbat Jesus
  19. 🔍 21% Sancti SpiritusSancti Spiritus
  20. 🔍 21% Simile est... hominiSimile est... homini
  21. 🔍 21% Te saeculorum PrincipemTe saeculorum Principem
  22. 🔍 21% Misso HerodesMisso Herodes
  23. 🔍 21% Adest... beatusAdest... beatus
  24. 🔍 21% Jesu Fili summi PatrisJesu Fili summi Patris
  25. 🔍 20% Praesulis exsultansPraesulis exsultans
  26. 🔍 20% Splendor paternae gloriae (in Aestate)Splendor paternae gloriae (in Aestate)
  27. 🔍 20% Exsultet jam AngelicaExsultet jam Angelica
  28. 🔍 20% Hodie completi suntHodie completi sunt
  29. 🔍 20% Jam toto subitusJam toto subitus
  30. 🔍 20% Virginis CatharinaeVirginis Catharinae
  31. 🔍 20% Transeunte DominoTranseunte Domino
  32. 🔍 20% Te Deum PatremTe Deum Patrem
  33. 🔍 20% Caecus sedebatCaecus sedebat
  34. 🔍 20% Leva JerusalemLeva Jerusalem
  35. 🔍 20% Traditor autemTraditor autem
  36. 🔍 20% Quid faciamQuid faciam
  37. 🔍 20% Sacris SolemnisSacris Solemnis
  38. 🔍 20% Omnis expertemOmnis expertem
  39. 🔍 20% Iste sanctusIste sanctus
  40. 🔍 20% Ecce jamEcce jam
  41. 🔍 20% Herodes enimHerodes enim
  42. 🔍 20% Beata nobisBeata nobis
  43. 🔍 20% Ecce veniet desideratusEcce veniet desideratus
  44. 🔍 20% Gaude Mater EcclesiaGaude Mater Ecclesia
  45. 🔍 20% Et posueruntEt posuerunt
  46. 🔍 20% Recedite a meRecedite a me
  47. 🔍 20% In regenerationeIn regeneratione
  48. 🔍 20% Ecce ego JoannesEcce ego Joannes
  49. 🔍 19% A solis ortusA solis ortus
  50. 🔍 19% Tu ChristeTu Christe
  51. 🔍 19% Roma Petro GlorieturRoma Petro Glorietur
  52. 🔍 19% Splendor paternaeSplendor paternae
  53. 🔍 19% Immortali laudeImmortali laude
  54. 🔍 19% Sapientia... miscuitSapientia... miscuit
  55. 🔍 19% Carmen triumCarmen trium
  56. 🔍 19% Panis solemnisPanis solemnis
  57. 🔍 19% Ut Antonini gloriamUt Antonini gloriam
  58. 🔍 19% Credo ICredo I
  59. 🔍 19% Ante luciferum genitusAnte luciferum genitus
  60. 🔍 19% Veni Redemptor gentiumVeni Redemptor gentium
  61. 🔍 19% Beata nobis gaudiaBeata nobis gaudia
  62. 🔍 19% Virginis proles (II)Virginis proles (II)
  63. 🔍 19% Beata nobis gaudiaBeata nobis gaudia
  64. 🔍 19% Rex gloriose MartyrumRex gloriose Martyrum
  65. 🔍 19% Dum auroraDum aurora