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% Postula a mePostula a me
  2. 🔍 54% Laetentur caeliLaetentur caeli
  3. 🔍 49% Venite filiiVenite filii
  4. 🔍 46% Tulerunt JesumTulerunt Jesum
  5. 🔍 45% Tulerunt JesumTulerunt Jesum
  6. 🔍 38% Postula a mePostula a me
  7. 🔍 37% Laetentur caeliLaetentur caeli
  8. 🔍 33% Tui sunt caeliTui sunt caeli
  9. 🔍 30% Calix benedictionisCalix benedictionis
  10. 🔍 28% ConfessioConfessio
  11. 🔍 28% Postula a mePostula a me
  12. 🔍 28% Sacerdotes DominiSacerdotes Domini
  13. 🔍 26% Laetentur caeliLaetentur caeli
  14. 🔍 26% In voluntateIn voluntate
  15. 🔍 26% Postula a mePostula a me
  16. 🔍 26% Omnis terraOmnis terra
  17. 🔍 26% Justus ut palmaJustus ut palma
  18. 🔍 26% In medioIn medio
  19. 🔍 26% RevelabiturRevelabitur
  20. 🔍 25% Intret in conspectuIntret in conspectu
  21. 🔍 25% Justus ut palmaJustus ut palma
  22. 🔍 25% SanctusSanctus
  23. 🔍 25% SedebitSedebit
  24. 🔍 25% Justus ut palmaJustus ut palma
  25. 🔍 25% AfferenturAfferentur
  26. 🔍 25% Confirma hocConfirma hoc
  27. 🔍 24% Lauda JerusalemLauda Jerusalem
  28. 🔍 24% BenedixistiBenedixisti
  29. 🔍 24% In medioIn medio
  30. 🔍 24% DolorosaDolorosa
  31. 🔍 24% Omnes collaudantOmnes collaudant
  32. 🔍 24% Alleluia (ad offertorium mode 3)Alleluia (ad offertorium mode 3)
  33. 🔍 24% Beata gensBeata gens
  34. 🔍 24% In Nomine Jesu 1In Nomine Jesu 1
  35. 🔍 23% Reges TharsisReges Tharsis
  36. 🔍 23% Judica meJudica me
  37. 🔍 23% Dicit DominusDicit Dominus
  38. 🔍 23% Confirma hocConfirma hoc
  39. 🔍 23% Dominus fortitudoDominus fortitudo
  40. 🔍 23% Adorna thalamumAdorna thalamum
  41. 🔍 23% Terribilis estTerribilis est
  42. 🔍 23% De fructu operumDe fructu operum
  43. 🔍 23% Terra tremuitTerra tremuit
  44. 🔍 22% Justorum animaeJustorum animae
  45. 🔍 22% Lumen gentiumLumen gentium
  46. 🔍 22% Ave Rex nosterAve Rex noster
  47. 🔍 22% Ab ortu solisAb ortu solis
  48. 🔍 22% Te gloriosusTe gloriosus
  49. 🔍 22% Semel juraviSemel juravi
  50. 🔍 22% Beata visceraBeata viscera
  51. 🔍 22% Da pacemDa pacem
  52. 🔍 22% Domini est terraDomini est terra
  53. 🔍 22% Timebunt gentesTimebunt gentes
  54. 🔍 22% Omnes de SabaOmnes de Saba
  55. 🔍 22% Emitte SpiritumEmitte Spiritum
  56. 🔍 22% Credo IIICredo III
  57. 🔍 22% Loquebar ... S. John BaptistLoquebar ... S. John Baptist
  58. 🔍 22% Emitte Spiritum tuumEmitte Spiritum tuum
  59. 🔍 22% Et valde mane (cum cantico Benedictus)Et valde mane (cum cantico Benedictus)
  60. 🔍 21% Benedicimus DeumBenedicimus Deum
  61. 🔍 21% Dum venerit ParaclitusDum venerit Paraclitus
  62. 🔍 21% Loquebar Ps. LaudateLoquebar Ps. Laudate
  63. 🔍 21% SanctusSanctus
  64. 🔍 21% Pueri Hebraeorum 2Pueri Hebraeorum 2
  65. 🔍 21% In splendoribusIn splendoribus