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% Hodie MariaHodie Maria
  2. 🔍 62% Hodie Maria Virgo caelosHodie Maria Virgo caelos
  3. 🔍 56% Hodie Maria VirgoHodie Maria Virgo
  4. 🔍 54% Hodie Maria Virgo caelosHodie Maria Virgo caelos
  5. 🔍 50% Hodie Maria Virgo caelosHodie Maria Virgo caelos
  6. 🔍 36% Assumpta estAssumpta est
  7. 🔍 35% Hodie scietisHodie scietis
  8. 🔍 34% Hodie Maria VirgoHodie Maria Virgo
  9. 🔍 31% Semen estSemen est
  10. 🔍 30% Hodie scietisHodie scietis
  11. 🔍 29% Resonet in laudibusResonet in laudibus
  12. 🔍 28% Hodie caelestiHodie caelesti
  13. 🔍 28% Credo VIICredo VII
  14. 🔍 28% Stephanus vidit caelosStephanus vidit caelos
  15. 🔍 28% Laetare caelum desuperLaetare caelum desuper
  16. 🔍 28% Aeterne Rex altissimeAeterne Rex altissime
  17. 🔍 28% Resonet in laudibusResonet in laudibus
  18. 🔍 28% CopiosaeCopiosae
  19. 🔍 27% Elegit... virumElegit... virum
  20. 🔍 27% Credo in DeumCredo in Deum
  21. 🔍 27% Gaudent in caelisGaudent in caelis
  22. 🔍 27% Hodie gloriosaHodie gloriosa
  23. 🔍 27% O lux et decusO lux et decus
  24. 🔍 27% Hodie nomenHodie nomen
  25. 🔍 27% Aeterne Rex altissimeAeterne Rex altissime
  26. 🔍 26% Salvete Christi vulneraSalvete Christi vulnera
  27. 🔍 26% Nunc Sancte nobis SpiritusNunc Sancte nobis Spiritus
  28. 🔍 26% Cum esset desponsataCum esset desponsata
  29. 🔍 26% Verbum supernum prodiensVerbum supernum prodiens
  30. 🔍 26% ConscenditConscendit
  31. 🔍 26% Completi suntCompleti sunt
  32. 🔍 26% Hodie Maria VirgoHodie Maria Virgo
  33. 🔍 26% Hodie ChristusHodie Christus
  34. 🔍 26% Hostis HerodesHostis Herodes
  35. 🔍 26% Hodie egressa estHodie egressa est
  36. 🔍 26% Fontes aquarumFontes aquarum
  37. 🔍 26% Christus JesusChristus Jesus
  38. 🔍 26% Virginis CatharinaeVirginis Catharinae
  39. 🔍 25% Beata Dei GenitrixBeata Dei Genitrix
  40. 🔍 25% Hodie scietisHodie scietis
  41. 🔍 25% Quem dicuntQuem dicunt
  42. 🔍 25% Beata es MariaBeata es Maria
  43. 🔍 25% Verbum supernumVerbum supernum
  44. 🔍 25% Cum venerit ParaclitusCum venerit Paraclitus
  45. 🔍 25% Ascendit fumusAscendit fumus
  46. 🔍 25% Deus tuorum militumDeus tuorum militum
  47. 🔍 25% Verbum supernum prodiensVerbum supernum prodiens
  48. 🔍 25% Ego sum panis (III)Ego sum panis (III)
  49. 🔍 25% Alma mater EcclesiaAlma mater Ecclesia
  50. 🔍 25% A solis ortusA solis ortus
  51. 🔍 24% Corde et animoCorde et animo
  52. 🔍 24% Ave MariaAve Maria
  53. 🔍 24% Hodie nobis de caeloHodie nobis de caelo
  54. 🔍 24% MemorareMemorare
  55. 🔍 24% Per te LuciaPer te Lucia
  56. 🔍 24% Ave Virgo MariaAve Virgo Maria
  57. 🔍 24% Hodie MariaHodie Maria
  58. 🔍 24% Hodie natus estHodie natus est
  59. 🔍 24% Aquae omnesAquae omnes
  60. 🔍 24% Deus tuorum militumDeus tuorum militum
  61. 🔍 24% Salvete cedri LibaniSalvete cedri Libani
  62. 🔍 24% Christe redemptor omnium conservaChriste redemptor omnium conserva
  63. 🔍 24% Cum autem descendissetCum autem descendisset
  64. 🔍 24% Jesu Redemptor omnium (confes.)Jesu Redemptor omnium (confes.)
  65. 🔍 24% Sancta DeiSancta Dei