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. (Sund. P. T. at Vespers)

   
1. 🔍 78% Alleluia. (Sund. P. T. at Vespers)

   
2. 🔍 63% Alleluia. (Tuesday P. T. at Vespers)

   
3. 🔍 63% Alleluia. (Wednesday P. T. at Vespers)

   
4. 🔍 62% Alleluia (Friday P. T. at Vespers)

   
5. 🔍 62% Alleluia. (Sund. P. T. at Lauds II)

   
6. 🔍 61% Alleluia. (Sund. P. T. at Lauds I)

   
7. 🔍 60% Alleluia. (Monday P. T. at Vespers)

   
8. 🔍 57% Alleluia (Sund. T.P. at Terce)

   
9. 🔍 55% Alleluia (ant Dom.a in albis)

   
10. 🔍 54% Alleluia (mode 8)

    
11. 🔍 54% Alleluia. (Wednesday P. T. at Lauds I)

    
12. 🔍 53% Alleluia (Dominica ad Nonam T.P.)

    
13. 🔍 53% Alleluia (ant.)

    
14. 🔍 53% Alleluia (ant.)

    
15. 🔍 52% Alleluia. (Sund. P. T. at Lauds)

    
16. 🔍 52% Alleluia (Monday P. T. at Lauds)

    
17. 🔍 51% Alleluia (Tuesday P. T. at Lauds)

    
18. 🔍 51% Alleluia (mode 8)

    
19. 🔍 51% Alleluia (T.P. ad Laudes)

    
20. 🔍 51% Alleluia

    
21. 🔍 51% Alleluia (Tuesday P. T. at Lauds)

    
22. 🔍 51% Alleluia. (Thursday P. T. at Lauds I)

    
23. 🔍 51% Alleluia (T.P. in III nocturno)

    
24. 🔍 51% Alleluia (T.P. in II nocturno)

    
25. 🔍 50% Alleluia. (Thursday P. T. at Lauds II)

    
26. 🔍 50% Alleluia (Feria Secunda ad Nonam T.P.)

    
27. 🔍 50% Alleluia. (Friday P. T. at Lauds I)

    
28. 🔍 49% Alleluia (T.P. in I nocturno)

    
29. 🔍 49% Alleluia. (Wednesday P. T. at Lauds II)

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

    
31. 🔍 49% Alleluia (Per Hebdomadam ad Nonam T.P.)

    
32. 🔍 48% Alleluia. (Saturday P. T. at Lauds II)

    
33. 🔍 48% Alleluia. (Saturday P. T. at Lauds I)

    
34. 🔍 47% Alleluia (Feria secunda ad primam)

    
35. 🔍 46% Alleluia. (Sat. P. T. at Lauds)

    
36. 🔍 46% Alleluia (T.P. ad Tertiam)

    
37. 🔍 46% Alleluia (T.P. ad Nonam)

    
38. 🔍 46% Alleluia (Feria Secunda ad Sextam T.P.)

    
39. 🔍 46% Alleluia (T.P. Feria II ad Vesperas)

    
40. 🔍 45% Alleluia. (Sabbato in Albis at Vesperas)

    
41. 🔍 45% Alleluia

    
42. 🔍 45% Alleluia. (Friday P. T. at Lauds II)

    
43. 🔍 45% Alleluia Lapis revolutus

    
44. 🔍 45% Alleluia (Feria Secunda ad Tertiam T.P.)

    
45. 🔍 44% Alleluia (Dominica per Annum ad Laudes)

    
46. 🔍 44% Alleluia (Per Hebdomadam ad Sextam T.P.)

    
47. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
48. 🔍 43% Alleluia alleluia

    
49. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
50. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
51. 🔍 43% Alleluia Fer. II T.P. I

    
52. 🔍 43% Alleluia (Dominica ad Primam, per annum)

    
53. 🔍 43% Alleluia Fer. V T.P. I

    
54. 🔍 43% Alleluia (T. P. ad Sextam)

    
55. 🔍 42% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
56. 🔍 42% Puer natus in Bethlehem

    
57. 🔍 42% Alleluia (T.P. ad Sextam)

    
58. 🔍 42% Alleluia Fer. IV T.P. I

    
59. 🔍 42% Alleluia Fer. VI T.P. II

    
60. 🔍 42% Alleluia Dom. Compl. T.P. I

    
61. 🔍 41% Alleluia alleluia alleluia alleluia (TP ad Primam)

    
62. 🔍 41% Alleluia (T. P. ad Primam)

    
63. 🔍 41% Alleluia Fer. III T.P. I

    
64. 🔍 41% Alleluia Fer. V T.P. II