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: 2025-12-20. 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.

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.

0. 🔍 100% Alleluia (in fine antiphonarum)

   
1. 🔍 40% Alleluia (ant. mode 2)

   
2. 🔍 37% Alleluia (ant. mode 5)

   
3. 🔍 35% Alleluia (ant. mode 8)

   
4. 🔍 35% Alleluia (ant. mode 6)

   
5. 🔍 35% Alleluia (ant. mode 3)

   
6. 🔍 35% Alleluia (ant. mode 4)

   
7. 🔍 35% Alleluia (ant. mode 7)

   
8. 🔍 35% Alleluia (ant. mode I)

   
9. 🔍 32% Alleluia (Feria Secunda ad Sextam T.P.)

   
10. 🔍 30% Alleluia (A)

    
11. 🔍 30% Alleluia (Per Hebdomadam ad Sextam T.P.)

    
12. 🔍 30% Alleluia. (Sund. P. T. at Lauds I)

    
13. 🔍 29% Alleluia

    
14. 🔍 29% Alleluia (Dominica ad Primam, per annum)

    
15. 🔍 29% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
16. 🔍 29% Alleluia (modi communes post officium - I)

    
17. 🔍 29% Alleluia (modi communes post officium - II)

    
18. 🔍 29% Alleluia. (Wednesday P. T. at Lauds II)

    
19. 🔍 28% Alleluia (Feria secunda ad primam)

    
20. 🔍 28% Alleluia (mode 8)

    
21. 🔍 28% Alleluia. (Sund. P. T. at Lauds II)

    
22. 🔍 28% Alleluia (modi communes post offertorium - VI)

    
23. 🔍 28% Alleluia (Dominica per Annum ad Laudes)

    
24. 🔍 28% Alleluia (modi communes post officium - VI)

    
25. 🔍 28% Alleluia (modi communes post officium - VIII)

    
26. 🔍 28% Alleluia (modi communes post offertorium - I)

    
27. 🔍 28% Alleluia

    
28. 🔍 28% Alleluia (mode 8)

    
29. 🔍 28% Alleluia alleluia

    
30. 🔍 28% Alleluia alleluia alleluia (Dom. ad Laudes)

    
31. 🔍 28% Alleluia (Per Hebdomadam ad Nonam T.P.)

    
32. 🔍 28% Alleluia (modi communes post officium - IV)

    
33. 🔍 27% Alleluia (Sund. T.P. at Terce)

    
34. 🔍 27% Alleluia (modi communes post officium - VII)

    
35. 🔍 27% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
36. 🔍 27% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
37. 🔍 27% Alleluia (ad offertorium mode 6)

    
38. 🔍 27% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
39. 🔍 26% Alleluia (modi communes post offertorium - IV)

    
40. 🔍 26% Alleluia (Feria tertia ad vesperas)

    
41. 🔍 26% Alleluia (Monday P. T. at Lauds)

    
42. 🔍 26% Alleluia (modi communes post officium - III)

    
43. 🔍 26% Alleluia (modi communes post offertorium - III)

    
44. 🔍 26% Alleluia (modi communes post offertorium - II)

    
45. 🔍 26% Alleluia alleluia (Dom. ad Laudes)

    
46. 🔍 26% Alleluia (T.P. ad Laudes)

    
47. 🔍 26% Alleluia. (Tuesday P. T. at Vespers)

    
48. 🔍 26% Alleluia alleluia alleluia alleluia (TP ad Primam)

    
49. 🔍 26% Alleluia. (Thursday P. T. at Lauds II)

    
50. 🔍 26% Alleluia (modi communes post offertorium - VIII)

    
51. 🔍 26% Alleluia (Friday P. T. at Vespers)

    
52. 🔍 26% Alleluia (T.P. in II nocturno)

    
53. 🔍 25% Alleluia (T.P. in III nocturno)

    
54. 🔍 25% Alleluia alleluia alleluia (Dominica ad Primam)

    
55. 🔍 25% Alleluia (Tuesday P. T. at Lauds)

    
56. 🔍 25% Alleluia (Dominica per Annum ad Laudes)

    
57. 🔍 25% Alleluia. (Monday P. T. at Vespers)

    
58. 🔍 25% Alleluia Fer. III T.P. I

    
59. 🔍 25% Alleluia (in feriis ad Tertiam TP)

    
60. 🔍 25% Alleluia Fer. IV T.P. II

    
61. 🔍 25% Alleluia (Dominica ad Nonam)

    
62. 🔍 25% Alleluia (Feria Secunda ad Nonam T.P.)

    
63. 🔍 25% Alleluia (ant.)

    
64. 🔍 25% Alleluia (ant.)