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. 🔍 70% ModicumModicum
  3. 🔍 69% ModicumModicum
  4. 🔍 52% ModicumModicum
  5. 🔍 50% ModicumModicum
  6. 🔍 49% Modicum et non videbitis meModicum et non videbitis me
  7. 🔍 43% Modicum et nonModicum et non
  8. 🔍 43% Modicum et non videbitisModicum et non videbitis
  9. 🔍 40% Modicum et non videbitis meModicum et non videbitis me
  10. 🔍 37% Alleluia (T.P. in I nocturno)Alleluia (T.P. in I nocturno)
  11. 🔍 36% Alleluia (T.P. ad Laudes)Alleluia (T.P. ad Laudes)
  12. 🔍 35% Alleluia (T.P. ad Vesperas)Alleluia (T.P. ad Vesperas)
  13. 🔍 35% Alleluia (mode 8)Alleluia (mode 8)
  14. 🔍 35% Alleluia (T.P. in III nocturno)Alleluia (T.P. in III nocturno)
  15. 🔍 34% Alleluia (T.P. in II nocturno)Alleluia (T.P. in II nocturno)
  16. 🔍 34% Alleluia (mode 8)Alleluia (mode 8)
  17. 🔍 33% Gustate et videteGustate et videte
  18. 🔍 33% Alleluia Omnes GentesAlleluia Omnes Gentes
  19. 🔍 33% Alleluia Lapis revolutusAlleluia Lapis revolutus
  20. 🔍 32% AlleluiaAlleluia
  21. 🔍 32% Alleluia (T.P. ad Nonam)Alleluia (T.P. ad Nonam)
  22. 🔍 32% Alleluia (T.P. ad Tertiam)Alleluia (T.P. ad Tertiam)
  23. 🔍 32% Alleluia (T.P. Feria II ad Vesperas) Alleluia (T.P. Feria II ad Vesperas)
  24. 🔍 32% Puer natus in BethlehemPuer natus in Bethlehem
  25. 🔍 32% Alleluia. (Sund. P. T. at Lauds I) Alleluia. (Sund. P. T. at Lauds I)
  26. 🔍 30% Si diligitis meSi diligitis me
  27. 🔍 30% Alleluia (ant.)Alleluia (ant.)
  28. 🔍 30% Alleluia (ant.)Alleluia (ant.)
  29. 🔍 30% Omnes GentesOmnes Gentes
  30. 🔍 29% Alleluia Fer. VI T.P. IAlleluia Fer. VI T.P. I
  31. 🔍 29% Postulavi Patrem meumPostulavi Patrem meum
  32. 🔍 29% Alleluia (T.P. ad Sextam)Alleluia (T.P. ad Sextam)
  33. 🔍 29% Alleluia (Feria secunda ad primam)Alleluia (Feria secunda ad primam)
  34. 🔍 29% Alleluia Fer. VI T.P. IIAlleluia Fer. VI T.P. II
  35. 🔍 29% Alleluia (T.P. Invitatorium)Alleluia (T.P. Invitatorium)
  36. 🔍 29% Ave Maria (R. Br. T.P.)Ave Maria (R. Br. T.P.)
  37. 🔍 28% Alleluia Fer. V T.P. IAlleluia Fer. V T.P. I
  38. 🔍 28% Alleluia (T. P. ad Tertiam)Alleluia (T. P. ad Tertiam)
  39. 🔍 28% Vado ad eum qui misit me et nemoVado ad eum qui misit me et nemo
  40. 🔍 28% Alleluia (T. P. ad Primam)Alleluia (T. P. ad Primam)
  41. 🔍 28% AccipiteAccipite
  42. 🔍 28% Alleluia Fer. IV T.P. IAlleluia Fer. IV T.P. I
  43. 🔍 28% Adhuc modicumAdhuc modicum
  44. 🔍 28% Spiritus quiSpiritus qui
  45. 🔍 28% Bellabunt adversum te (T.P.)Bellabunt adversum te (T.P.)
  46. 🔍 28% Vado ad eum... et nemoVado ad eum... et nemo
  47. 🔍 28% AlleluiaAlleluia
  48. 🔍 27% Surrexit Dominus vere (Resp. Br.)Surrexit Dominus vere (Resp. Br.)
  49. 🔍 27% Alleluia Fer. III T.P. IAlleluia Fer. III T.P. I
  50. 🔍 27% Alleluia Fer. II T.P. IAlleluia Fer. II T.P. I
  51. 🔍 27% Alleluia (T. P. Vesp. Fer. IV.)Alleluia (T. P. Vesp. Fer. IV.)
  52. 🔍 27% Alleluia panisAlleluia panis
  53. 🔍 27% Alleluia Dom. Compl. T.P. IAlleluia Dom. Compl. T.P. I
  54. 🔍 27% Alleluia ego sum vitisAlleluia ego sum vitis
  55. 🔍 27% Alleluia (Per Hebdomadam ad Nonam T.P.)Alleluia (Per Hebdomadam ad Nonam T.P.)
  56. 🔍 27% Alleluia Fer. V T.P. IIAlleluia Fer. V T.P. II
  57. 🔍 27% Alleluia Fer. IV T.P. IIAlleluia Fer. IV T.P. II
  58. 🔍 27% AlleluiaAlleluia
  59. 🔍 27% Alleluia (Sund. T.P. at Terce)Alleluia (Sund. T.P. at Terce)
  60. 🔍 27% Audi filia et vide (Resp. Br. T.P.)Audi filia et vide (Resp. Br. T.P.)
  61. 🔍 27% Alleluia (T. P. Laud. Dom.)Alleluia (T. P. Laud. Dom.)
  62. 🔍 27% Alleluia Fer. III T.P. IIAlleluia Fer. III T.P. II
  63. 🔍 27% Alleluia. Dom. LaudAlleluia. Dom. Laud
  64. 🔍 27% Alleluia Fer. II T.P. IIAlleluia Fer. II T.P. II
  65. 🔍 27% Vado parare vobisVado parare vobis