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% Erat virErat vir
  2. 🔍 26% Praeco novusPraeco novus
  3. 🔍 25% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  4. 🔍 25% Te virginumTe virginum
  5. 🔍 24% Ave Virgo optimaAve Virgo optima
  6. 🔍 24% In hoc cognoviIn hoc cognovi
  7. 🔍 24% Adest... beatusAdest... beatus
  8. 🔍 24% Carmen triumCarmen trium
  9. 🔍 23% Descendit Jesus (I)Descendit Jesus (I)
  10. 🔍 23% Erat autemErat autem
  11. 🔍 23% Jesu decusJesu decus
  12. 🔍 22% Salus et gloriaSalus et gloria
  13. 🔍 22% Salus et gloriaSalus et gloria
  14. 🔍 22% Cum vocatus fuerisCum vocatus fueris
  15. 🔍 22% Non perpercistiNon perpercisti
  16. 🔍 22% Alleluia confiteminiAlleluia confitemini
  17. 🔍 22% Ora pro nobis... allel.Ora pro nobis... allel.
  18. 🔍 22% Dux fideiDux fidei
  19. 🔍 21% In Nativitate Domini - Cantus MartyrologiiIn Nativitate Domini - Cantus Martyrologii
  20. 🔍 21% FranciscusFranciscus
  21. 🔍 21% Salus et gloriaSalus et gloria
  22. 🔍 21% Sancta... semper... allel.Sancta... semper... allel.
  23. 🔍 21% Erat vir Domini Benedictus (tonus 4e*)Erat vir Domini Benedictus (tonus 4e*)
  24. 🔍 21% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  25. 🔍 21% Diem novae laudisDiem novae laudis
  26. 🔍 21% Adest dies laetitiaeAdest dies laetitiae
  27. 🔍 21% Deus omnipotensDeus omnipotens
  28. 🔍 21% Misericordia DominiMisericordia Domini
  29. 🔍 21% Magnificate DominumMagnificate Dominum
  30. 🔍 21% Reddite ergoReddite ergo
  31. 🔍 21% Virgo MaterVirgo Mater
  32. 🔍 21% Verbo DominiVerbo Domini
  33. 🔍 21% Sancta Maria... allel.Sancta Maria... allel.
  34. 🔍 21% In natali DominiIn natali Domini
  35. 🔍 21% Factum est in unaFactum est in una
  36. 🔍 21% Quomodo fiet istudQuomodo fiet istud
  37. 🔍 21% Gaude Mater EcclesiaGaude Mater Ecclesia
  38. 🔍 21% Exsurgat DeusExsurgat Deus
  39. 🔍 21% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  40. 🔍 21% Praefatio Paschalis IIPraefatio Paschalis II
  41. 🔍 21% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  42. 🔍 21% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  43. 🔍 21% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  44. 🔍 21% Deus tuorum I Cl.Deus tuorum I Cl.
  45. 🔍 21% Beata MargaritaBeata Margarita
  46. 🔍 20% Propter nos egenusPropter nos egenus
  47. 🔍 20% Per signum crucisPer signum crucis
  48. 🔍 20% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  49. 🔍 20% Adoramus te Christe (Resp Br.)Adoramus te Christe (Resp Br.)
  50. 🔍 20% Senex puerumSenex puerum
  51. 🔍 20% Statuit eaStatuit ea
  52. 🔍 20% Angelorum escaAngelorum esca
  53. 🔍 20% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  54. 🔍 20% Omnis terraOmnis terra
  55. 🔍 20% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  56. 🔍 20% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  57. 🔍 20% Alleluia (ant. mode I)Alleluia (ant. mode I)
  58. 🔍 20% Aurora soli praeviaAurora soli praevia
  59. 🔍 20% Alleluia faciem tuamAlleluia faciem tuam
  60. 🔍 20% Benedicamus PatremBenedicamus Patrem
  61. 🔍 20% MirabilemMirabilem
  62. 🔍 20% Laudate Dominum omnes gentes (Psalmus 116)Laudate Dominum omnes gentes (Psalmus 116)
  63. 🔍 20% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  64. 🔍 20% Salus et gloriaSalus et gloria
  65. 🔍 20% Domine puer meusDomine puer meus