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% ModicumModicum
  2. 🔍 77% ModicumModicum
  3. 🔍 70% ModicumModicum
  4. 🔍 58% ModicumModicum
  5. 🔍 55% ModicumModicum
  6. 🔍 48% Modicum et non videbitis meModicum et non videbitis me
  7. 🔍 48% Modicum et non videbitisModicum et non videbitis
  8. 🔍 47% Modicum et non videbitis meModicum et non videbitis me
  9. 🔍 46% Modicum et nonModicum et non
  10. 🔍 41% Spiritus SanctusSpiritus Sanctus
  11. 🔍 41% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  12. 🔍 39% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  13. 🔍 38% Alleluia (mode 8)Alleluia (mode 8)
  14. 🔍 38% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  15. 🔍 38% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  16. 🔍 38% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  17. 🔍 37% Alleluia (mode 8)Alleluia (mode 8)
  18. 🔍 36% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  19. 🔍 35% Alleluia Lapis revolutusAlleluia Lapis revolutus
  20. 🔍 35% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  21. 🔍 35% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  22. 🔍 35% Spiritus quiSpiritus qui
  23. 🔍 35% AlleluiaAlleluia
  24. 🔍 35% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  25. 🔍 35% Gustate et videteGustate et videte
  26. 🔍 35% Alleluia Omnes GentesAlleluia Omnes Gentes
  27. 🔍 35% Puer natus in BethlehemPuer natus in Bethlehem
  28. 🔍 34% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  29. 🔍 34% Si diligitis meSi diligitis me
  30. 🔍 34% Jubilate DeoJubilate Deo
  31. 🔍 34% AccipiteAccipite
  32. 🔍 34% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  33. 🔍 33% Omnes GentesOmnes Gentes
  34. 🔍 33% Postulavi Patrem meumPostulavi Patrem meum
  35. 🔍 33% Alleluia (ant.)Alleluia (ant.)
  36. 🔍 33% Alleluia (ant.)Alleluia (ant.)
  37. 🔍 33% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  38. 🔍 32% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  39. 🔍 32% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  40. 🔍 32% AccipiteAccipite
  41. 🔍 32% Ite IaIte Ia
  42. 🔍 32% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  43. 🔍 32% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  44. 🔍 32% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  45. 🔍 32% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  46. 🔍 32% Si cognovissetis meSi cognovissetis me
  47. 🔍 32% Spiritus quiSpiritus qui
  48. 🔍 32% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  49. 🔍 32% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  50. 🔍 31% Eduxit eosEduxit eos
  51. 🔍 31% Si manseritis in meSi manseritis in me
  52. 🔍 31% Alleluia. (Wednesday P. T. at Vespers)Alleluia. (Wednesday P. T. at Vespers)
  53. 🔍 31% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  54. 🔍 31% Spiritus quiSpiritus qui
  55. 🔍 31% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  56. 🔍 31% Si diligitis meSi diligitis me
  57. 🔍 31% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  58. 🔍 31% Alleluia (T. P. Laud. Fer. VI.)Alleluia (T. P. Laud. Fer. VI.)
  59. 🔍 31% Alleluia (T. P. Vesp. Fer. VI.)Alleluia (T. P. Vesp. Fer. VI.)
  60. 🔍 31% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  61. 🔍 31% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  62. 🔍 31% Alleluia. (Monday P. T. at Vespers)Alleluia. (Monday P. T. at Vespers)
  63. 🔍 31% Pascha nostrumPascha nostrum
  64. 🔍 31% AlleluiaAlleluia
  65. 🔍 31% Alleluia (T. P. Laud. Fer. IV.)Alleluia (T. P. Laud. Fer. IV.)