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.

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 (ad introitum mode 1)

   
1. 🔍 60% Alleluia (ad introitum mode 8)

   
2. 🔍 57% Alleluia (ad introitum mode 3)

   
3. 🔍 56% Alleluia (ad introitum mode 4)

   
4. 🔍 56% Alleluia (ad introitum mode 6)

   
5. 🔍 55% Alleluia (ad introitum mode 7)

   
6. 🔍 54% Alleluia (ad introitum mode 2)

   
7. 🔍 52% Alleluia (ad introitum mode 5)

   
8. 🔍 36% Alleluia (mode 8)

   
9. 🔍 35% Alleluia (mode 8)

   
10. 🔍 34% Alleluia (ad communionem mode 1)

    
11. 🔍 34% Alleluia (T.P. in II nocturno)

    
12. 🔍 34% Alleluia (T.P. ad Laudes)

    
13. 🔍 33% Alleluia (ad offertorium mode 3)

    
14. 🔍 33% Alleluia (T.P. in III nocturno)

    
15. 🔍 33% Alleluia (T.P. ad Vesperas)

    
16. 🔍 33% Alleluia

    
17. 🔍 33% Alleluia (T.P. in I nocturno)

    
18. 🔍 32% Alleluia (ant. mode 4)

    
19. 🔍 32% Alleluia (ant. mode 3)

    
20. 🔍 32% Alleluia (A)

    
21. 🔍 32% Alleluia (T.P. ad Nonam)

    
22. 🔍 32% Alleluia (ad offertorium mode 1)

    
23. 🔍 32% Alleluia (T.P. Feria II ad Vesperas)

    
24. 🔍 32% Alleluia (Feria tertia ad vesperas)

    
25. 🔍 32% Alleluia (ant. mode 7)

    
26. 🔍 32% Alleluia (ant. mode 8)

    
27. 🔍 32% Alleluia (modi communes post officium - I)

    
28. 🔍 32% Alleluia (ant. mode 6)

    
29. 🔍 31% Alleluia (ad communionem mode 3)

    
30. 🔍 31% Alleluia. (Tuesday P. T. at Vespers)

    
31. 🔍 31% Dixit Dominus

    
32. 🔍 31% Alleluia (ad communionem mode 4)

    
33. 🔍 31% Alleluia (ad communionem mode 6)

    
34. 🔍 31% Data est mihi

    
35. 🔍 31% Alleluia (ant. mode I)

    
36. 🔍 31% Alleluia alleluia

    
37. 🔍 31% Alleluia (ant. mode 5)

    
38. 🔍 31% Alleluia (T.P. ad Tertiam)

    
39. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
40. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
41. 🔍 31% Alleluia (ant.)

    
42. 🔍 31% Alleluia (ant.)

    
43. 🔍 31% Alleluia (ad communionem mode 8)

    
44. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
45. 🔍 31% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
46. 🔍 30% Alleluia (T. P. ad Primam)

    
47. 🔍 30% Alleluia (ant. mode 2)

    
48. 🔍 30% Alleluia (ad communionem mode 2)

    
49. 🔍 30% Alleluia (T. P. ad Tertiam)

    
50. 🔍 30% Alleluia. (T.P. ad Completorium)

    
51. 🔍 30% Alleluia. (Monday P. T. at Vespers)

    
52. 🔍 30% Alleluia. (Wednesday P. T. at Vespers)

    
53. 🔍 30% Alleluia. (Friday P. T. at Vespers)

    
54. 🔍 30% Alleluia. (Thursday P. T. at Vespers)

    
55. 🔍 29% Alleluia (ad offertorium mode 4)

    
56. 🔍 29% Alleluia alleluia alleluia alleluia (TP ad Primam)

    
57. 🔍 29% Alleluia. (Sund. P. T. at Lauds I)

    
58. 🔍 29% Alleluia alleluia alleluia (Dominica ad Primam)

    
59. 🔍 29% Alleluia Fer. V T.P. I

    
60. 🔍 29% Alleluia. (Sund. P. T. at Prime)

    
61. 🔍 29% Alleluia. (Tuesday P. T. at Vespers)

    
62. 🔍 29% Alleluia Lapis revolutus

    
63. 🔍 29% Alleluia (Feria secunda ad primam)

    
64. 🔍 29% Ite Ia