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% Constans PiiConstans Pii
  2. 🔍 32% Pii temperentiaPii temperentia
  3. 🔍 27% Pii nomenPii nomen
  4. 🔍 24% Domum tuam... allel.Domum tuam... allel.
  5. 🔍 24% Viderunt te aquaeViderunt te aquae
  6. 🔍 24% Aequa Pii justitiaAequa Pii justitia
  7. 🔍 22% Domum tuamDomum tuam
  8. 🔍 22% Exsultet iam angelica (brevior)Exsultet iam angelica (brevior)
  9. 🔍 22% Praefatio Paschalis IIPraefatio Paschalis II
  10. 🔍 22% Praefatio solemnis de Epiphania DominiPraefatio solemnis de Epiphania Domini
  11. 🔍 21% Exsultet iam angelicaExsultet iam angelica
  12. 🔍 21% Praefatio solemnis de QuadragesimaPraefatio solemnis de Quadragesima
  13. 🔍 21% Praefatio de Dominicis per annum IVPraefatio de Dominicis per annum IV
  14. 🔍 21% Praefatio de D. N. Iesu Christo universorum RegePraefatio de D. N. Iesu Christo universorum Rege
  15. 🔍 21% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  16. 🔍 21% Alleluia confiteminiAlleluia confitemini
  17. 🔍 21% Exsultet jam AngelicaExsultet jam Angelica
  18. 🔍 21% Omnipotens adorandeOmnipotens adorande
  19. 🔍 21% Salus et gloriaSalus et gloria
  20. 🔍 21% Magnificate DominumMagnificate Dominum
  21. 🔍 20% Dominus... occuriteDominus... occurite
  22. 🔍 20% Salus et gloriaSalus et gloria
  23. 🔍 20% Factum est in unaFactum est in una
  24. 🔍 20% Adoramus te Christe (Resp Br.)Adoramus te Christe (Resp Br.)
  25. 🔍 20% Laudate... secundumLaudate... secundum
  26. 🔍 20% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  27. 🔍 20% Domum tuam... qua in terrisDomum tuam... qua in terris
  28. 🔍 20% In Nativitate Domini - Cantus MartyrologiiIn Nativitate Domini - Cantus Martyrologii
  29. 🔍 20% Sapientia... miscuitSapientia... miscuit
  30. 🔍 20% Stetit Angelus... allel.Stetit Angelus... allel.
  31. 🔍 20% Erat virErat vir
  32. 🔍 20% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  33. 🔍 20% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  34. 🔍 20% Beati qui habitant... allel.Beati qui habitant... allel.
  35. 🔍 20% Te virginumTe virginum
  36. 🔍 20% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  37. 🔍 20% Benedictus es DomineBenedictus es Domine
  38. 🔍 20% Elevata estElevata est
  39. 🔍 19% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  40. 🔍 19% Praefatio solemnis de sancto Elia ProphetaPraefatio solemnis de sancto Elia Propheta
  41. 🔍 19% Prex Eucharistica IVPrex Eucharistica IV
  42. 🔍 19% Redemisti nos Domine (Resp Br)Redemisti nos Domine (Resp Br)
  43. 🔍 19% Salus et gloriaSalus et gloria
  44. 🔍 19% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  45. 🔍 19% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  46. 🔍 19% Benedixit Deum caeliBenedixit Deum caeli
  47. 🔍 19% Dedit ei... sapientiamDedit ei... sapientiam
  48. 🔍 19% Praefatio de Dominicis per annum IIPraefatio de Dominicis per annum II
  49. 🔍 19% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  50. 🔍 19% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  51. 🔍 19% Gloria et honore... allel.Gloria et honore... allel.
  52. 🔍 19% Alleluia. Dom. LaudAlleluia. Dom. Laud
  53. 🔍 19% In manus tuas... allel.In manus tuas... allel.
  54. 🔍 19% Deus omnipotensDeus omnipotens
  55. 🔍 19% Exsultet caelum (I)Exsultet caelum (I)
  56. 🔍 19% Exsurgat DeusExsurgat Deus
  57. 🔍 19% Justi autem... allel.Justi autem... allel.
  58. 🔍 19% Anima... liquefactaAnima... liquefacta
  59. 🔍 19% Repleti suntRepleti sunt
  60. 🔍 19% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  61. 🔍 19% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  62. 🔍 19% Fecit OrdiniFecit Ordini
  63. 🔍 19% In manus tuasIn manus tuas
  64. 🔍 19% In humilitateIn humilitate
  65. 🔍 19% Surrexit DominusSurrexit Dominus