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% In velamento clamabuntIn velamento clamabunt
  2. 🔍 53% In velamento clamabantIn velamento clamabant
  3. 🔍 51% Alleluia (mode 8)Alleluia (mode 8)
  4. 🔍 50% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  5. 🔍 49% In velamento clamabantIn velamento clamabant
  6. 🔍 49% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  7. 🔍 49% Alleluia Lapis revolutusAlleluia Lapis revolutus
  8. 🔍 49% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  9. 🔍 48% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  10. 🔍 48% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  11. 🔍 48% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  12. 🔍 48% In velamento clamabantIn velamento clamabant
  13. 🔍 48% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  14. 🔍 48% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  15. 🔍 48% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  16. 🔍 48% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  17. 🔍 47% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 47% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  19. 🔍 47% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  20. 🔍 47% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  21. 🔍 47% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  22. 🔍 47% Alleluia Omnes GentesAlleluia Omnes Gentes
  23. 🔍 47% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  24. 🔍 46% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  25. 🔍 46% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  26. 🔍 46% Omnes GentesOmnes Gentes
  27. 🔍 45% AlleluiaAlleluia
  28. 🔍 45% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  29. 🔍 45% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  30. 🔍 45% Alleluia. Dom. LaudAlleluia. Dom. Laud
  31. 🔍 44% Puer natus in BethlehemPuer natus in Bethlehem
  32. 🔍 44% Gustate et videteGustate et videte
  33. 🔍 44% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  34. 🔍 43% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  35. 🔍 43% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  36. 🔍 43% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  37. 🔍 43% Sancti et justiSancti et justi
  38. 🔍 42% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  39. 🔍 42% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  40. 🔍 42% Alleluia (ant.)Alleluia (ant.)
  41. 🔍 42% Alleluia (ant.)Alleluia (ant.)
  42. 🔍 42% Alleluia laudate DominumAlleluia laudate Dominum
  43. 🔍 42% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  44. 🔍 41% Alleluia Dominus regnavitAlleluia Dominus regnavit
  45. 🔍 41% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  46. 🔍 41% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  47. 🔍 41% Alleluia faciem tuamAlleluia faciem tuam
  48. 🔍 40% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  49. 🔍 40% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  50. 🔍 40% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  51. 🔍 40% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  52. 🔍 39% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  53. 🔍 39% Alleluia tuus sum egoAlleluia tuus sum ego
  54. 🔍 39% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  55. 🔍 39% Alleluia deduc meAlleluia deduc me
  56. 🔍 39% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  57. 🔍 39% Alleluia (Feria Secunda ad Nonam T.P.)Alleluia (Feria Secunda ad Nonam T.P.)
  58. 🔍 39% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  59. 🔍 38% Salus et gloria - mode IVSalus et gloria - mode IV
  60. 🔍 38% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  61. 🔍 38% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  62. 🔍 38% Alleluia confiteminiAlleluia confitemini
  63. 🔍 38% Exsurgat DeusExsurgat Deus
  64. 🔍 38% Lux perpetuaLux perpetua
  65. 🔍 38% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)