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% Fasciculus myrrhae (Resp Br)Fasciculus myrrhae (Resp Br)
  2. 🔍 62% FasciculusFasciculus
  3. 🔍 58% Fasciculus myrrhaeFasciculus myrrhae
  4. 🔍 51% Fasciculus myrrhaeFasciculus myrrhae
  5. 🔍 48% Fasciculus myrrhaeFasciculus myrrhae
  6. 🔍 45% Fasciculus myrrhaeFasciculus myrrhae
  7. 🔍 40% Adoramus te Christe (Resp Br.)Adoramus te Christe (Resp Br.)
  8. 🔍 40% Benedictus es DomineBenedictus es Domine
  9. 🔍 40% In conspectu... allel. (Resp Br)In conspectu... allel. (Resp Br)
  10. 🔍 40% Beati qui habitant... allel.Beati qui habitant... allel.
  11. 🔍 40% Puer natus in BethlehemPuer natus in Bethlehem
  12. 🔍 39% Ipse invocabit meIpse invocabit me
  13. 🔍 39% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  14. 🔍 39% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  15. 🔍 39% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  16. 🔍 39% Anima... liquefactaAnima... liquefacta
  17. 🔍 39% Ego dilecto meoEgo dilecto meo
  18. 🔍 39% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  19. 🔍 39% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  20. 🔍 38% Alleluia (mode 8)Alleluia (mode 8)
  21. 🔍 38% Alleluia (mode 8)Alleluia (mode 8)
  22. 🔍 38% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  23. 🔍 38% Posuisti Domine... allel. (Resp. Br.)Posuisti Domine... allel. (Resp. Br.)
  24. 🔍 38% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  25. 🔍 38% Misericordia tuaMisericordia tua
  26. 🔍 38% Notum fecitNotum fecit
  27. 🔍 38% Salus et gloria et virtus (VIII)Salus et gloria et virtus (VIII)
  28. 🔍 38% Qui me invenerit... allel.Qui me invenerit... allel.
  29. 🔍 37% Manus meaeManus meae
  30. 🔍 37% Angelus Domini nuntiavit (Resp. Br. T.P.)Angelus Domini nuntiavit (Resp. Br. T.P.)
  31. 🔍 37% Verbum caro factum estVerbum caro factum est
  32. 🔍 37% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  33. 🔍 37% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  34. 🔍 37% DefeceruntDefecerunt
  35. 🔍 37% Sit nomen DominiSit nomen Domini
  36. 🔍 37% Elevata estElevata est
  37. 🔍 37% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  38. 🔍 37% Deus omnipotensDeus omnipotens
  39. 🔍 37% Elegit eam Deus... allel.Elegit eam Deus... allel.
  40. 🔍 37% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  41. 🔍 37% Data est mihiData est mihi
  42. 🔍 37% A periculisA periculis
  43. 🔍 37% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  44. 🔍 37% Redemisti nos Domine (Resp Br)Redemisti nos Domine (Resp Br)
  45. 🔍 37% Ascendit DeusAscendit Deus
  46. 🔍 36% Omnes GentesOmnes Gentes
  47. 🔍 36% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  48. 🔍 36% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  49. 🔍 36% AlleluiaAlleluia
  50. 🔍 36% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  51. 🔍 36% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  52. 🔍 36% Salus et gloriaSalus et gloria
  53. 🔍 36% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  54. 🔍 36% Benedicamus PatremBenedicamus Patrem
  55. 🔍 36% Alleluia Lapis revolutusAlleluia Lapis revolutus
  56. 🔍 36% Exaltabo te... alleluiaExaltabo te... alleluia
  57. 🔍 36% Salus et gloriaSalus et gloria
  58. 🔍 35% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  59. 🔍 35% In manus tuas Domine (Tempore Paschali)In manus tuas Domine (Tempore Paschali)
  60. 🔍 35% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  61. 🔍 35% Magnificate DominumMagnificate Dominum
  62. 🔍 35% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  63. 🔍 35% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  64. 🔍 35% Omnis terraOmnis terra
  65. 🔍 35% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)