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% Populus DominiPopulus Domini
  2. 🔍 57% Dominum Deum nostrumDominum Deum nostrum
  3. 🔍 53% Populus DominiPopulus Domini
  4. 🔍 53% Adoremus Dominum qui fecitAdoremus Dominum qui fecit
  5. 🔍 44% Regem magnumRegem magnum
  6. 🔍 42% Dominum qui fecit nosDominum qui fecit nos
  7. 🔍 40% Beatus populusBeatus populus
  8. 🔍 36% Venite exsultemusVenite exsultemus
  9. 🔍 35% Populus meus aitPopulus meus ait
  10. 🔍 33% Populus DominiPopulus Domini
  11. 🔍 33% Populus DominiPopulus Domini
  12. 🔍 32% In domum DominiIn domum Domini
  13. 🔍 31% Alleluia audiviAlleluia audivi
  14. 🔍 30% Redemptionem ... alleluiaRedemptionem ... alleluia
  15. 🔍 30% Deum verumDeum verum
  16. 🔍 30% Ave MariaAve Maria
  17. 🔍 30% In lege DominiIn lege Domini
  18. 🔍 29% Ecce ancilla DominiEcce ancilla Domini
  19. 🔍 29% De necessitatibusDe necessitatibus
  20. 🔍 29% Veritas DominiVeritas Domini
  21. 🔍 29% Dextera DominiDextera Domini
  22. 🔍 29% Domini est terraDomini est terra
  23. 🔍 29%
  24. 🔍 29% Praeceptum DominiPraeceptum Domini
  25. 🔍 29% Laudate nomen DominiLaudate nomen Domini
  26. 🔍 29% Sit nomen DominiSit nomen Domini
  27. 🔍 28% Alleluia Christum ascendentemAlleluia Christum ascendentem
  28. 🔍 28% Stella nobisStella nobis
  29. 🔍 27% Ave MariaAve Maria
  30. 🔍 27% Christum Dei Filium qui suoChristum Dei Filium qui suo
  31. 🔍 27%
  32. 🔍 27% Exaltare DomineExaltare Domine
  33. 🔍 27% Alleluia audiviAlleluia audivi
  34. 🔍 27% Agnum Dei quem laetusAgnum Dei quem laetus
  35. 🔍 27% A summo caeloA summo caelo
  36. 🔍 27% Spiritus Domini superSpiritus Domini super
  37. 🔍 27% Spiritus Domini superSpiritus Domini super
  38. 🔍 27% Domine clamaviDomine clamavi
  39. 🔍 27% Venient ad teVenient ad te
  40. 🔍 26% Omnes gentesOmnes gentes
  41. 🔍 26% Spiritus Domini replevitSpiritus Domini replevit
  42. 🔍 26% Beatus populusBeatus populus
  43. 🔍 26% Rector potens (dom.)Rector potens (dom.)
  44. 🔍 26% Ego autem ad DominumEgo autem ad Dominum
  45. 🔍 26% Ego autem ad DominumEgo autem ad Dominum
  46. 🔍 26% Ecce nomen Domini venitEcce nomen Domini venit
  47. 🔍 26% Ecce nomen Domini venitEcce nomen Domini venit
  48. 🔍 26% Rector potens verax Deus (In Feriis per annum)Rector potens verax Deus (In Feriis per annum)
  49. 🔍 25% Te qui in SpirituTe qui in Spiritu
  50. 🔍 25% Iterum videbo vos (Mode 6f)Iterum videbo vos (Mode 6f)
  51. 🔍 25% Nunc Sancte (dom.)Nunc Sancte (dom.)
  52. 🔍 25% Qui emittitQui emittit
  53. 🔍 25% Venit Maria nuntiansVenit Maria nuntians
  54. 🔍 25% Stella apparuitStella apparuit
  55. 🔍 25% Ecce dedi te inEcce dedi te in
  56. 🔍 25% Angelus Domini nuntiavitAngelus Domini nuntiavit
  57. 🔍 25% Angelus autem DominiAngelus autem Domini
  58. 🔍 25% Rerum Deus tenax (dom.)Rerum Deus tenax (dom.)
  59. 🔍 25% Scientiarum DominoScientiarum Domino
  60. 🔍 25% In principioIn principio
  61. 🔍 25% Veniet dies DominiVeniet dies Domini
  62. 🔍 25% Venite ad me omnes (mode 4)Venite ad me omnes (mode 4)
  63. 🔍 25% Quaerite DominumQuaerite Dominum
  64. 🔍 25% Quaerite DominumQuaerite Dominum
  65. 🔍 25% Haec dies simpl.Haec dies simpl.