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% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  2. 🔍 79% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  3. 🔍 78% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  4. 🔍 78% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  5. 🔍 77% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  6. 🔍 77% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  7. 🔍 76% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  8. 🔍 76% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  9. 🔍 75% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  10. 🔍 73% Alleluia (mode 8)Alleluia (mode 8)
  11. 🔍 72% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  12. 🔍 72% Alleluia (mode 8)Alleluia (mode 8)
  13. 🔍 72% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  14. 🔍 70% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  15. 🔍 69% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  16. 🔍 69% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  17. 🔍 68% AlleluiaAlleluia
  18. 🔍 67% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  19. 🔍 67% Alleluia (Sabb. T.P.) (II)Alleluia (Sabb. T.P.) (II)
  20. 🔍 65% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  21. 🔍 65% Alleluia (ant.)Alleluia (ant.)
  22. 🔍 65% Alleluia (ant.)Alleluia (ant.)
  23. 🔍 64% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  24. 🔍 64% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  25. 🔍 64% Alleluia (T. P. Laud. Fer. III.)Alleluia (T. P. Laud. Fer. III.)
  26. 🔍 64% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  27. 🔍 64% Alleluia (Dom. Non. T.P.)Alleluia (Dom. Non. T.P.)
  28. 🔍 64% Alleluia (T. P. Vesp. Fer. II.)Alleluia (T. P. Vesp. Fer. II.)
  29. 🔍 64% Alleluia. Dom. LaudAlleluia. Dom. Laud
  30. 🔍 63% Alleluia (T. P. Laud. Fer. V.)Alleluia (T. P. Laud. Fer. V.)
  31. 🔍 62% Alleluia Sabb. T.P. IAlleluia Sabb. T.P. I
  32. 🔍 62% Alleluia Dom. Prim. T.P.Alleluia Dom. Prim. T.P.
  33. 🔍 62% Alleluia (Dom. Vesp. T.P.)Alleluia (Dom. Vesp. T.P.)
  34. 🔍 62% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)
  35. 🔍 61% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  36. 🔍 61% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  37. 🔍 61% Alleluia (Dom. Tert. T.P.)Alleluia (Dom. Tert. T.P.)
  38. 🔍 61% Alleluia Dom. Compl. T.P. IIAlleluia Dom. Compl. T.P. II
  39. 🔍 61% Alleluia Lapis revolutusAlleluia Lapis revolutus
  40. 🔍 61% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  41. 🔍 60% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  42. 🔍 60% Alleluia alleluiaAlleluia alleluia
  43. 🔍 59% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  44. 🔍 59% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  45. 🔍 59% Alleluia laudate DominumAlleluia laudate Dominum
  46. 🔍 59% Alleluia (Dom. Sext. T.P.)Alleluia (Dom. Sext. T.P.)
  47. 🔍 58% Alleluia tuus sum egoAlleluia tuus sum ego
  48. 🔍 58% Alleluia alleluia alleluia alleluia (TP ad Nonam)Alleluia alleluia alleluia alleluia (TP ad Nonam)
  49. 🔍 58% Alleluia alleluia alleluia alleluia (TP ad Sextam)Alleluia alleluia alleluia alleluia (TP ad Sextam)
  50. 🔍 58% Alleluia alleluia alleluia alleluia (TP ad Tertiam)Alleluia alleluia alleluia alleluia (TP ad Tertiam)
  51. 🔍 58% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  52. 🔍 58% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  53. 🔍 58% Puer natus in BethlehemPuer natus in Bethlehem
  54. 🔍 57% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  55. 🔍 55% Alleluia alleluia alleluia alleluia (TP ad Primam)Alleluia alleluia alleluia alleluia (TP ad Primam)
  56. 🔍 55% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  57. 🔍 55% Alleluia Spiritus ParaclitusAlleluia Spiritus Paraclitus
  58. 🔍 55% Alleluia resurrexit DominusAlleluia resurrexit Dominus
  59. 🔍 55% Alleluia Omnes GentesAlleluia Omnes Gentes
  60. 🔍 55% Alleluia alleluia alleluia (Dominica ad Primam)Alleluia alleluia alleluia (Dominica ad Primam)
  61. 🔍 54% Alleluia (T. P. Laud. Fer. II.)Alleluia (T. P. Laud. Fer. II.)
  62. 🔍 54% Alleluia (T. P. Vesp. Fer. III.)Alleluia (T. P. Vesp. Fer. III.)
  63. 🔍 54% AlleluiaAlleluia
  64. 🔍 54% Alleluia Dominus regnavitAlleluia Dominus regnavit
  65. 🔍 54% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)