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% Justus ut palma... allel.Justus ut palma... allel.
  2. 🔍 80% Justus ut palmaJustus ut palma
  3. 🔍 51% Justus ut palmaJustus ut palma
  4. 🔍 50% Iustus ut palmaIustus ut palma
  5. 🔍 47% Justi autem... allel.Justi autem... allel.
  6. 🔍 46% Laetamini in Domino... allel.Laetamini in Domino... allel.
  7. 🔍 44% Beati qui habitant... allel.Beati qui habitant... allel.
  8. 🔍 43% Justus germinabit (T. Pasch.)Justus germinabit (T. Pasch.)
  9. 🔍 43% Justus germinabit (T. Pasch.)Justus germinabit (T. Pasch.)
  10. 🔍 43% Qui me invenerit... allel.Qui me invenerit... allel.
  11. 🔍 43% Ora pro nobis... allel.Ora pro nobis... allel.
  12. 🔍 42% Puer natus in BethlehemPuer natus in Bethlehem
  13. 🔍 42% Domum tuam... allel.Domum tuam... allel.
  14. 🔍 42% Justum deduxit... allel.Justum deduxit... allel.
  15. 🔍 42% Ascendit DeusAscendit Deus
  16. 🔍 42% Magna est gloria... allel.Magna est gloria... allel.
  17. 🔍 42% Sancta... semper... allel.Sancta... semper... allel.
  18. 🔍 41% Misericordia tuaMisericordia tua
  19. 🔍 41% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  20. 🔍 41% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  21. 🔍 41% Anima... liquefactaAnima... liquefacta
  22. 🔍 41% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  23. 🔍 41% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  24. 🔍 41% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  25. 🔍 41% Ascendit fumus... allel.Ascendit fumus... allel.
  26. 🔍 41% Gloria et honore... allel.Gloria et honore... allel.
  27. 🔍 41% Justus ut palmaJustus ut palma
  28. 🔍 40% Alleluia (mode 8)Alleluia (mode 8)
  29. 🔍 40% Alleluia (mode 8)Alleluia (mode 8)
  30. 🔍 40% Ego Mater... allel.Ego Mater... allel.
  31. 🔍 40% Amavit eum... allelAmavit eum... allel
  32. 🔍 40% Notum fecitNotum fecit
  33. 🔍 40% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  34. 🔍 40% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  35. 🔍 40% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  36. 🔍 40% Dominus vias suasDominus vias suas
  37. 🔍 40% Ipse invocabit meIpse invocabit me
  38. 🔍 40% Specie tua... allel.Specie tua... allel.
  39. 🔍 40% In omnem terram... allel.In omnem terram... allel.
  40. 🔍 39% In conspectu... allel. (Resp Br)In conspectu... allel. (Resp Br)
  41. 🔍 39% Exsultent justi... allel.Exsultent justi... allel.
  42. 🔍 39% In manus tuas... allel.In manus tuas... allel.
  43. 🔍 39% Elevata estElevata est
  44. 🔍 39% Magnificate DominumMagnificate Dominum
  45. 🔍 39% Christus dilexit nosChristus dilexit nos
  46. 🔍 39% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  47. 🔍 39% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  48. 🔍 39% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  49. 🔍 39% Omnes de SabaOmnes de Saba
  50. 🔍 39% Fortis est ut morsFortis est ut mors
  51. 🔍 39% Nimis honorati sunt... allel.Nimis honorati sunt... allel.
  52. 🔍 39% Sancta Maria... allel.Sancta Maria... allel.
  53. 🔍 39% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  54. 🔍 39% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  55. 🔍 38% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  56. 🔍 38% Jesu Christe... allel.Jesu Christe... allel.
  57. 🔍 38% ResurrexitResurrexit
  58. 🔍 38% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  59. 🔍 38% Haec est domus Domini... allel.Haec est domus Domini... allel.
  60. 🔍 38% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  61. 🔍 38% Alleluia Lapis revolutusAlleluia Lapis revolutus
  62. 🔍 38% AlleluiaAlleluia
  63. 🔍 38% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  64. 🔍 38% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  65. 🔍 38% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)