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% Expugna impugnantesExpugna impugnantes
  2. 🔍 75% Expugna impugnantesExpugna impugnantes
  3. 🔍 58% Expugna impugnantesExpugna impugnantes
  4. 🔍 42% Expugna DomineExpugna Domine
  5. 🔍 35% Oculi meiOculi mei
  6. 🔍 33% In tua justitiaIn tua justitia
  7. 🔍 32% Revela DominoRevela Domino
  8. 🔍 31% Dominus defensorDominus defensor
  9. 🔍 30% Adorate DominumAdorate Dominum
  10. 🔍 29% Ne in ira tuaNe in ira tua
  11. 🔍 29% Domine in virtute tuaDomine in virtute tua
  12. 🔍 28% Rectos decetRectos decet
  13. 🔍 26% Annuntiate populisAnnuntiate populis
  14. 🔍 26% Dominus regit meDominus regit me
  15. 🔍 25% Ecce ancilla DominiEcce ancilla Domini
  16. 🔍 25% Dominum qui fecitDominum qui fecit
  17. 🔍 25% Adoremus Dominum qui fecitAdoremus Dominum qui fecit
  18. 🔍 24% Transeunte DominoTranseunte Domino
  19. 🔍 24% Jubilemus DeoJubilemus Deo
  20. 🔍 24% Beatam me dicentBeatam me dicent
  21. 🔍 24% Faciamus hicFaciamus hic
  22. 🔍 24% Expugna DomineExpugna Domine
  23. 🔍 24% Semen ceciditSemen cecidit
  24. 🔍 24% In manu tuaIn manu tua
  25. 🔍 24% Adoremus Dominum QuoniamAdoremus Dominum Quoniam
  26. 🔍 24% Cum immundus spiritusCum immundus spiritus
  27. 🔍 23% Venite ExultemusVenite Exultemus
  28. 🔍 23% Dominum Deum nostrumDominum Deum nostrum
  29. 🔍 23% Ecce veniet Propheta magnusEcce veniet Propheta magnus
  30. 🔍 23% Missus est GabrielMissus est Gabriel
  31. 🔍 23% Dominus legifer nosterDominus legifer noster
  32. 🔍 23% Benedicam DominumBenedicam Dominum
  33. 🔍 22% Non in Solo PaneNon in Solo Pane
  34. 🔍 22% Alleluia alleluia alleluiaAlleluia alleluia alleluia
  35. 🔍 21% Multi enim sunt vocatiMulti enim sunt vocati
  36. 🔍 21% Ecce jam venitEcce jam venit
  37. 🔍 20% Venite ad meVenite ad me
  38. 🔍 20% Judica DomineJudica Domine
  39. 🔍 19% Judica DomineJudica Domine
  40. 🔍 19% Judica DomineJudica Domine
  41. 🔍 15% Benedicamus Domino (I classis in II Vesperis)Benedicamus Domino (I classis in II Vesperis)
  42. 🔍 14% Pueri... tollentesPueri... tollentes
  43. 🔍 14% Pueri... tollentesPueri... tollentes
  44. 🔍 13% Benedicamus Domino (I classis in I Vesperis)Benedicamus Domino (I classis in I Vesperis)
  45. 🔍 13% Ego autemEgo autem
  46. 🔍 13% Ego autemEgo autem
  47. 🔍 13% Populus meus, aitPopulus meus, ait
  48. 🔍 12% Exsultavit... in DeoExsultavit... in Deo
  49. 🔍 12% Judica DomineJudica Domine
  50. 🔍 12% Ego autemEgo autem
  51. 🔍 12% Pueri Hebraeorum portantesPueri Hebraeorum portantes
  52. 🔍 12% Saepe expungaverunt meSaepe expungaverunt me
  53. 🔍 12% Deus... qui perfecitDeus... qui perfecit
  54. 🔍 12% Stephanus autem plenusStephanus autem plenus
  55. 🔍 12% Magna operaMagna opera
  56. 🔍 12% Tres pueriTres pueri
  57. 🔍 12% Nolite me considerareNolite me considerare
  58. 🔍 11% Stephanus autemStephanus autem
  59. 🔍 11% Tres pueriTres pueri
  60. 🔍 11% Nolite me considerareNolite me considerare
  61. 🔍 11% Saepe expungaverunt meSaepe expungaverunt me
  62. 🔍 11% Intrantes magiIntrantes magi
  63. 🔍 11% Nolite me considerareNolite me considerare
  64. 🔍 11% Populus meus aitPopulus meus ait
  65. 🔍 11% Fecit OrdiniFecit Ordini