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% Per signum crucisPer signum crucis
  2. 🔍 69% Per signum CrucisPer signum Crucis
  3. 🔍 66% Hoc signum crucisHoc signum crucis
  4. 🔍 63% Per signum CrucisPer signum Crucis
  5. 🔍 60% Per signum crucisPer signum crucis
  6. 🔍 59% Per signum CrucisPer signum Crucis
  7. 🔍 49% Per signum CrucisPer signum Crucis
  8. 🔍 49% Hoc signum Crucis (T. Paschali)Hoc signum Crucis (T. Paschali)
  9. 🔍 47% Per signum CrucisPer signum Crucis
  10. 🔍 46% Notum fecitNotum fecit
  11. 🔍 45% Puer natus in BethlehemPuer natus in Bethlehem
  12. 🔍 45% Per signum crucisPer signum crucis
  13. 🔍 45% Elevata estElevata est
  14. 🔍 45% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  15. 🔍 45% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  16. 🔍 44% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  17. 🔍 44% Omnes GentesOmnes Gentes
  18. 🔍 44% Magna est gloria... allel.Magna est gloria... allel.
  19. 🔍 44% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  20. 🔍 44% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  21. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  22. 🔍 44% Alleluia (mode 8)Alleluia (mode 8)
  23. 🔍 44% Posuit mePosuit me
  24. 🔍 44% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  25. 🔍 44% Sancta... semper... allel.Sancta... semper... allel.
  26. 🔍 43% A periculisA periculis
  27. 🔍 43% Alleluia Omnes GentesAlleluia Omnes Gentes
  28. 🔍 43% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  29. 🔍 43% Sit nomen DominiSit nomen Domini
  30. 🔍 43% Nostras deprecationesNostras deprecationes
  31. 🔍 43% Adoramus te Christe (Resp Br.)Adoramus te Christe (Resp Br.)
  32. 🔍 43% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  33. 🔍 43% Exsurgat DeusExsurgat Deus
  34. 🔍 42% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  35. 🔍 42% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  36. 🔍 42% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  37. 🔍 42% Exaltabo te... alleluiaExaltabo te... alleluia
  38. 🔍 42% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  39. 🔍 42% Per signum CrucisPer signum Crucis
  40. 🔍 42% Hoc signum Crucis (In Tempore Paschali)Hoc signum Crucis (In Tempore Paschali)
  41. 🔍 42% Christus dilexit nosChristus dilexit nos
  42. 🔍 42% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  43. 🔍 42% Salus et gloria - mode IVSalus et gloria - mode IV
  44. 🔍 42% Justum deduxit... allel.Justum deduxit... allel.
  45. 🔍 42% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  46. 🔍 41% Ora pro nobis... allel.Ora pro nobis... allel.
  47. 🔍 41% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  48. 🔍 41% Omnes de SabaOmnes de Saba
  49. 🔍 41% AlleluiaAlleluia
  50. 🔍 41% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  51. 🔍 41% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  52. 🔍 41% Ego dilecto meoEgo dilecto meo
  53. 🔍 41% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  54. 🔍 41% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  55. 🔍 41% Salus et gloriaSalus et gloria
  56. 🔍 41% Ascendit DeusAscendit Deus
  57. 🔍 41% Redemisti nos Domine (Resp Br)Redemisti nos Domine (Resp Br)
  58. 🔍 41% Benedicamus PatremBenedicamus Patrem
  59. 🔍 40% Gloria et honore... allel.Gloria et honore... allel.
  60. 🔍 40% Spiritus DominiSpiritus Domini
  61. 🔍 40% Ipse invocabit meIpse invocabit me
  62. 🔍 40% Qui me invenerit... allel.Qui me invenerit... allel.
  63. 🔍 40% Alleluia Lapis revolutusAlleluia Lapis revolutus
  64. 🔍 40% Justi autem... allel.Justi autem... allel.
  65. 🔍 40% Anima... liquefactaAnima... liquefacta