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. (Saturday P. T. at Lauds I)

   
1. 🔍 83% Alleluia. (Saturday P. T. at Lauds II)

   
2. 🔍 73% Alleluia (Tuesday P. T. at Lauds)

   
3. 🔍 69% Alleluia (Monday P. T. at Lauds)

   
4. 🔍 68% Alleluia. (Wednesday P. T. at Lauds I)

   
5. 🔍 68% Alleluia. (Sund. P. T. at Lauds I)

   
6. 🔍 67% Alleluia. (Wednesday P. T. at Lauds II)

   
7. 🔍 67% Alleluia. (Thursday P. T. at Lauds II)

   
8. 🔍 64% Alleluia. (Sund. P. T. at Lauds II)

   
9. 🔍 63% Alleluia (Tuesday P. T. at Lauds)

   
10. 🔍 63% Alleluia. (Friday P. T. at Lauds II)

    
11. 🔍 62% Alleluia. (Thursday P. T. at Lauds I)

    
12. 🔍 61% Alleluia. (Friday P. T. at Lauds I)

    
13. 🔍 59% Alleluia

    
14. 🔍 59% Alleluia (mode 8)

    
15. 🔍 58% Alleluia (mode 8)

    
16. 🔍 58% Alleluia. (Monday P. T. at Vespers)

    
17. 🔍 57% Alleluia (Tuesday P. T. at Lauds)

    
18. 🔍 56% Alleluia (T.P. in III nocturno)

    
19. 🔍 56% Alleluia (T.P. in II nocturno)

    
20. 🔍 56% Alleluia (Monday P. T. at Lauds)

    
21. 🔍 56% Alleluia (Wednesday P. T. at Lauds)

    
22. 🔍 56% Alleluia. (Tuesday P. T. at Vespers)

    
23. 🔍 56% Alleluia (T.P. ad Laudes)

    
24. 🔍 56% Alleluia (T.P. ad Vesperas)

    
25. 🔍 56% Alleluia. (Sund. P. T. at Lauds)

    
26. 🔍 55% Alleluia (Friday P. T. at Vespers)

    
27. 🔍 55% Alleluia (ant.)

    
28. 🔍 55% Alleluia (ant.)

    
29. 🔍 54% Alleluia (T.P. in I nocturno)

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

    
31. 🔍 54% Alleluia. (Monday P. T. at Lauds)

    
32. 🔍 54% Alleluia. (Friday P. T. at Lauds)

    
33. 🔍 54% Alleluia (T.P. Feria II ad Vesperas)

    
34. 🔍 54% Alleluia (Per Hebdomadam ad Nonam T.P.)

    
35. 🔍 53% Alleluia (T.P. ad Nonam)

    
36. 🔍 53% Alleluia (Feria Secunda ad Nonam T.P.)

    
37. 🔍 52% Alleluia. (Saturday P. T. at Compline)

    
38. 🔍 52% Alleluia (Feria secunda ad primam)

    
39. 🔍 51% Alleluia (Sund. T.P. at Terce)

    
40. 🔍 51% Alleluia. (Sat. P. T. at Lauds)

    
41. 🔍 51% Alleluia

    
42. 🔍 51% Alleluia (T.P. ad Tertiam)

    
43. 🔍 50% Alleluia alleluia

    
44. 🔍 50% Alleluia. (Sund. P. T. at Vespers)

    
45. 🔍 49% Alleluia (Feria Secunda ad Sextam T.P.)

    
46. 🔍 49% Alleluia (Dominica per Annum ad Laudes)

    
47. 🔍 49% Alleluia Fer. V T.P. I

    
48. 🔍 49% Alleluia Lapis revolutus

    
49. 🔍 49% Alleluia (Dominica ad Nonam T.P.)

    
50. 🔍 48% Alleluia alleluia alleluia (Dominica ad Primam)

    
51. 🔍 48% Alleluia (ant Dom.a in albis)

    
52. 🔍 48% Alleluia (Per Hebdomadam ad Sextam T.P.)

    
53. 🔍 48% Alleluia Fer. IV T.P. I

    
54. 🔍 48% Alleluia. (Sund. P. T. at Vespers)

    
55. 🔍 47% Alleluia (T. P. Vesp. Fer. VI.)

    
56. 🔍 47% Alleluia Fer. VI T.P. II

    
57. 🔍 47% Alleluia (T. P. ad Primam)

    
58. 🔍 47% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
59. 🔍 47% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
60. 🔍 47% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
61. 🔍 46% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
62. 🔍 46% Alleluia (T. P. Vesp. Fer. II.)

    
63. 🔍 46% Alleluia (T. P. ad Tertiam)

    
64. 🔍 46% Alleluia (T.P. ad Sextam)