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% Hodie gloriosaHodie gloriosa
  2. 🔍 87% Hodie gloriosa caeliHodie gloriosa caeli
  3. 🔍 80% Hodie gloriosaHodie gloriosa
  4. 🔍 72% Hodie gloriosaHodie gloriosa
  5. 🔍 42% Hodie ChristusHodie Christus
  6. 🔍 35% Hostis HerodesHostis Herodes
  7. 🔍 35% Hodie Christus natus estHodie Christus natus est
  8. 🔍 33% Hodie Christus natus estHodie Christus natus est
  9. 🔍 33% A solis ortusA solis ortus
  10. 🔍 32% Quem dicuntQuem dicunt
  11. 🔍 32% Hodie caelestiHodie caelesti
  12. 🔍 32% Vidi aquam (B)Vidi aquam (B)
  13. 🔍 32% Hodie Christus natus estHodie Christus natus est
  14. 🔍 31% Hodie Christus natusHodie Christus natus
  15. 🔍 31% Deus tuorum militumDeus tuorum militum
  16. 🔍 31% Hodie Christus natus estHodie Christus natus est
  17. 🔍 30% Hodie scietisHodie scietis
  18. 🔍 30% Christus JesusChristus Jesus
  19. 🔍 30% Deus tuorum militumDeus tuorum militum
  20. 🔍 30% Deus tuorum militumDeus tuorum militum
  21. 🔍 30% Parvulus filiusParvulus filius
  22. 🔍 30% Deus misereaturDeus misereatur
  23. 🔍 30% Hodie nomenHodie nomen
  24. 🔍 30% Jubilate DeoJubilate Deo
  25. 🔍 30% Deus tuorum militumDeus tuorum militum
  26. 🔍 30% Deus tuorum militumDeus tuorum militum
  27. 🔍 30% Exsultet caelum (III)Exsultet caelum (III)
  28. 🔍 29% Hodie nobis caelorumHodie nobis caelorum
  29. 🔍 29% Exsultet caelum (IV)Exsultet caelum (IV)
  30. 🔍 29% Hodie scietisHodie scietis
  31. 🔍 29% Iste sanctusIste sanctus
  32. 🔍 29% Veni Redemptor gentiumVeni Redemptor gentium
  33. 🔍 28% Salvete Christi vulneraSalvete Christi vulnera
  34. 🔍 28% AccipiteAccipite
  35. 🔍 28% Hostis HerodesHostis Herodes
  36. 🔍 28% Hodie egressa estHodie egressa est
  37. 🔍 28% Hodie scietisHodie scietis
  38. 🔍 28% Victricem manumVictricem manum
  39. 🔍 28% Ad cenamAd cenam
  40. 🔍 28% Aeterne Rex altissimeAeterne Rex altissime
  41. 🔍 28% Rex gloriose Martyrum (Alter tonus)Rex gloriose Martyrum (Alter tonus)
  42. 🔍 28% O sancta mundi dominaO sancta mundi domina
  43. 🔍 28% Exsultet caelum (I)Exsultet caelum (I)
  44. 🔍 28% Jam Christus astra ascenderatJam Christus astra ascenderat
  45. 🔍 28% Laetare caelum desuperLaetare caelum desuper
  46. 🔍 27% Apparuerunt caelestes spiritusApparuerunt caelestes spiritus
  47. 🔍 27% O gloriosa DominaO gloriosa Domina
  48. 🔍 27% Rex gloriose Martyrum (another chant)Rex gloriose Martyrum (another chant)
  49. 🔍 27% Virginis CatharinaeVirginis Catharinae
  50. 🔍 27% Hostis Herodes impieHostis Herodes impie
  51. 🔍 27% Angelus ad pastoresAngelus ad pastores
  52. 🔍 27% Tu gloria... o RosaTu gloria... o Rosa
  53. 🔍 27% Rerum Deus (In Festis BMV)Rerum Deus (In Festis BMV)
  54. 🔍 27% Ad regias Agni dapesAd regias Agni dapes
  55. 🔍 27% Dum Jesus factusDum Jesus factus
  56. 🔍 27% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  57. 🔍 27% Ad cenamAd cenam
  58. 🔍 27% Quem dicunt hominesQuem dicunt homines
  59. 🔍 27% Praeclara custos VirginumPraeclara custos Virginum
  60. 🔍 27% Hodie MariaHodie Maria
  61. 🔍 27% Deus tuorum II Cl.Deus tuorum II Cl.
  62. 🔍 27% Hodie completi suntHodie completi sunt
  63. 🔍 27% Ad regias Agni dapesAd regias Agni dapes
  64. 🔍 27% Deus misereaturDeus misereatur
  65. 🔍 27% O prima Virgo proditaO prima Virgo prodita