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 (ad introitum mode 8)

   
1. 🔍 83% Alleluia (ad introitum mode 3)

   
2. 🔍 81% Alleluia (ad introitum mode 4)

   
3. 🔍 80% Alleluia (ad introitum mode 6)

   
4. 🔍 79% Alleluia (ad introitum mode 7)

   
5. 🔍 78% Alleluia (ad introitum mode 2)

   
6. 🔍 75% Alleluia (ad introitum mode 5)

   
7. 🔍 60% Alleluia (ad introitum mode 1)

   
8. 🔍 57% Alleluia (ad offertorium mode 3)

   
9. 🔍 56% Alleluia (ad communionem mode 3)

   
10. 🔍 55% Alleluia (ad communionem mode 4)

    
11. 🔍 54% Alleluia (ad communionem mode 6)

    
12. 🔍 54% Alleluia (ad communionem mode 8)

    
13. 🔍 53% Alleluia (ad communionem mode 2)

    
14. 🔍 53% Alleluia (ad communionem mode 1)

    
15. 🔍 52% Alleluia (ad offertorium mode 4)

    
16. 🔍 47% Alleluia (ad offertorium mode 5)

    
17. 🔍 47% Alleluia (ad communionem mode 5)

    
18. 🔍 46% Alleluia (ad communionem mode 7)

    
19. 🔍 41% Alleluia (ad offertorium mode 1)

    
20. 🔍 40% Alleluia (mode 8)

    
21. 🔍 40% Alleluia (mode 8)

    
22. 🔍 38% Alleluia (T.P. in II nocturno)

    
23. 🔍 38% Alleluia (T.P. in III nocturno)

    
24. 🔍 38% Alleluia (T.P. ad Laudes)

    
25. 🔍 37% Alleluia (T.P. in I nocturno)

    
26. 🔍 37% Alleluia (T.P. ad Vesperas)

    
27. 🔍 37% Alleluia (A)

    
28. 🔍 37% Jubilate Deo

    
29. 🔍 37% Alleluia (T.P. Feria II ad Vesperas)

    
30. 🔍 37% Alleluia

    
31. 🔍 37% Alleluia (ant. mode 3)

    
32. 🔍 37% Alleluia (ant. mode 4)

    
33. 🔍 36% Alleluia (ant. mode 6)

    
34. 🔍 36% Alleluia (Feria tertia ad vesperas)

    
35. 🔍 36% Alleluia (ant. mode 7)

    
36. 🔍 36% Alleluia (ant. mode 8)

    
37. 🔍 36% Alleluia alleluia

    
38. 🔍 35% Alleluia. (Tuesday P. T. at Vespers)

    
39. 🔍 35% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
40. 🔍 35% Alleluia (T.P. ad Nonam)

    
41. 🔍 35% Alleluia (ant. mode I)

    
42. 🔍 35% Alleluia (T.P. ad Tertiam)

    
43. 🔍 35% Alleluia (ant. mode 5)

    
44. 🔍 35% Alleluia (T. P. ad Tertiam)

    
45. 🔍 35% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
46. 🔍 35% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
47. 🔍 35% Alleluia (ant.)

    
48. 🔍 35% Alleluia (ant.)

    
49. 🔍 34% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
50. 🔍 34% Alleluia (T. P. ad Primam)

    
51. 🔍 34% Alleluia (ant. mode 2)

    
52. 🔍 34% Alleluia. (Monday P. T. at Vespers)

    
53. 🔍 34% Alleluia. (Wednesday P. T. at Vespers)

    
54. 🔍 34% Alleluia. (T.P. ad Completorium)

    
55. 🔍 33% Alleluia. (Friday P. T. at Vespers)

    
56. 🔍 33% Alleluia. (Thursday P. T. at Vespers)

    
57. 🔍 33% Alleluia (modi communes post officium - I)

    
58. 🔍 33% Spiritus Sanctus

    
59. 🔍 33% Alleluia alleluia alleluia alleluia (TP ad Primam)

    
60. 🔍 33% Alleluia. (Sund. P. T. at Lauds I)

    
61. 🔍 33% Ite Ia

    
62. 🔍 33% Alleluia alleluia alleluia (Dominica ad Primam)

    
63. 🔍 33% Alleluia Fer. V T.P. I

    
64. 🔍 33% Alleluia. (Sund. P. T. at Terce)