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 MariaHodie Maria
  2. 🔍 40% Fac nosFac nos
  3. 🔍 28% Fac nos innocuamFac nos innocuam
  4. 🔍 24% Bene fundata estBene fundata est
  5. 🔍 23% Assumpta estAssumpta est
  6. 🔍 23% ModicumModicum
  7. 🔍 22% Vicerunt draconemVicerunt draconem
  8. 🔍 22% Scitote quoniamScitote quoniam
  9. 🔍 22% Hodie MariaHodie Maria
  10. 🔍 21% Protege DomineProtege Domine
  11. 🔍 21% Isti sunt qui veneruntIsti sunt qui venerunt
  12. 🔍 20% Angelus Domini descenditAngelus Domini descendit
  13. 🔍 20% Angelus Domini descenditAngelus Domini descendit
  14. 🔍 20% Scitote quoniamScitote quoniam
  15. 🔍 20% DolorosaDolorosa
  16. 🔍 19% Regnavit DominusRegnavit Dominus
  17. 🔍 19% Ab ortu solisAb ortu solis
  18. 🔍 19% Gaudeamus ... AssumptionGaudeamus ... Assumption
  19. 🔍 19% Gaudeamus ... ConceptionGaudeamus ... Conception
  20. 🔍 19% Gaudeamus... Sanctorum omniumGaudeamus... Sanctorum omnium
  21. 🔍 18% Benedicta et venerabilisBenedicta et venerabilis
  22. 🔍 18% Beata visceraBeata viscera
  23. 🔍 18% Ad te levaviAd te levavi
  24. 🔍 18% Salve sancta ParensSalve sancta Parens
  25. 🔍 18% Te gloriosusTe gloriosus
  26. 🔍 18% Juravit DominusJuravit Dominus
  27. 🔍 18% Gaudeamus ... ThomasGaudeamus ... Thomas
  28. 🔍 18% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  29. 🔍 18% Sancte MichaelSancte Michael
  30. 🔍 18% Spiritus DominiSpiritus Domini
  31. 🔍 17% ProtegeProtege
  32. 🔍 17% Gaudeamus ... AgathaGaudeamus ... Agatha
  33. 🔍 17% DispersitDispersit
  34. 🔍 17% Adorna thalamumAdorna thalamum
  35. 🔍 17% Ab ortu solisAb ortu solis
  36. 🔍 17% Gaudeamus ... AnnaGaudeamus ... Anna
  37. 🔍 17% Beatus es SimonBeatus es Simon
  38. 🔍 17% Afferentur ... post eamAfferentur ... post eam
  39. 🔍 17% Gaudeamus ... Mary MagdalenGaudeamus ... Mary Magdalen
  40. 🔍 17% Dilexit AndreamDilexit Andream
  41. 🔍 17% Accipite jucunditatemAccipite jucunditatem
  42. 🔍 16% Justus ut palmaJustus ut palma
  43. 🔍 16% Benedicite DominoBenedicite Domino
  44. 🔍 16% Gaudete justiGaudete justi
  45. 🔍 16% ExclamaveruntExclamaverunt
  46. 🔍 16% Ab ortu solisAb ortu solis
  47. 🔍 16% Viri GalilaeiViri Galilaei
  48. 🔍 16% Senex puerumSenex puerum
  49. 🔍 16% FranciscusFranciscus
  50. 🔍 16% Gaudete justiGaudete justi
  51. 🔍 16% Hic EdmundusHic Edmundus
  52. 🔍 16% Nimis honorati suntNimis honorati sunt
  53. 🔍 16% Christo confixusChristo confixus
  54. 🔍 16% Psallite DominoPsallite Domino
  55. 🔍 16% Aqua sapientiaeAqua sapientiae
  56. 🔍 16% Ave Maria ... et benedictusAve Maria ... et benedictus
  57. 🔍 16% Laudate pueriLaudate pueri
  58. 🔍 16% Vir eratVir erat
  59. 🔍 16% Sanctus IIISanctus III
  60. 🔍 16% Posuisti DominePosuisti Domine
  61. 🔍 16% Misericordia DominiMisericordia Domini
  62. 🔍 15% Christus unamChristus unam
  63. 🔍 15% Haec dies... ConfiteminiHaec dies... Confitemini
  64. 🔍 15% Salve MaterSalve Mater
  65. 🔍 15% Ultimo festivitatisUltimo festivitatis