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% Erat autemErat autem
  2. 🔍 66% Erat autem aspectusErat autem aspectus
  3. 🔍 56% Erat autemErat autem
  4. 🔍 54% Erat autem aspectusErat autem aspectus
  5. 🔍 52% Erat autem aspectusErat autem aspectus
  6. 🔍 49% ResplenduitResplenduit
  7. 🔍 39% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  8. 🔍 37% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  9. 🔍 36% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  10. 🔍 35% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  11. 🔍 35% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  12. 🔍 34% AlleluiaAlleluia
  13. 🔍 34% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  14. 🔍 34% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  15. 🔍 33% Alleluia (mode 8)Alleluia (mode 8)
  16. 🔍 33% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  17. 🔍 33% Sancti tuiSancti tui
  18. 🔍 33% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  19. 🔍 33% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  20. 🔍 33% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  21. 🔍 33% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  22. 🔍 33% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  23. 🔍 33% Orietur sicut solOrietur sicut sol
  24. 🔍 32% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  25. 🔍 32% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  26. 🔍 32% Resplenduit faciesResplenduit facies
  27. 🔍 32% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  28. 🔍 32% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  29. 🔍 32% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  30. 🔍 32% Alleluia panisAlleluia panis
  31. 🔍 32% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  32. 🔍 32% Alleluia (mode 8)Alleluia (mode 8)
  33. 🔍 32% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  34. 🔍 32% Alleluia omnes de SabaAlleluia omnes de Saba
  35. 🔍 32% Vestimentum tuumVestimentum tuum
  36. 🔍 31% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  37. 🔍 31% Alleluia (ant.)Alleluia (ant.)
  38. 🔍 31% Alleluia (ant.)Alleluia (ant.)
  39. 🔍 31% Alleluia. Dom. LaudAlleluia. Dom. Laud
  40. 🔍 31% Alleluia Lapis revolutusAlleluia Lapis revolutus
  41. 🔍 31% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  42. 🔍 31% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  43. 🔍 31% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  44. 🔍 31% Justi autem... allel.Justi autem... allel.
  45. 🔍 30% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  46. 🔍 30% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  47. 🔍 30% Si diligitis meSi diligitis me
  48. 🔍 30% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  49. 🔍 30% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  50. 🔍 30% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  51. 🔍 29% Alleluia ascendens ChristusAlleluia ascendens Christus
  52. 🔍 29% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  53. 🔍 29% Et ecce terrae motusEt ecce terrae motus
  54. 🔍 29% Alleluia faciem tuamAlleluia faciem tuam
  55. 🔍 29% Alleluia laudate DominumAlleluia laudate Dominum
  56. 🔍 29% Alleluia (T. P. ad Sextam)Alleluia (T. P. ad Sextam)
  57. 🔍 29% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  58. 🔍 28% Candidi facti suntCandidi facti sunt
  59. 🔍 28% Alleluia confiteminiAlleluia confitemini
  60. 🔍 28% ResurrexitResurrexit
  61. 🔍 28% Ego dilecto meoEgo dilecto meo
  62. 🔍 28% O vos omnesO vos omnes
  63. 🔍 28% Puer natus in BethlehemPuer natus in Bethlehem
  64. 🔍 28% Alleluia Omnes GentesAlleluia Omnes Gentes
  65. 🔍 28% Angelus autem DominiAngelus autem Domini