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 Lauds I)

   
1. 🔍 84% Alleluia (T.P. ad Laudes)

   
2. 🔍 82% Alleluia (T.P. in II nocturno)

   
3. 🔍 81% Alleluia (mode 8)

   
4. 🔍 80% Alleluia (T.P. in III nocturno)

   
5. 🔍 79% Alleluia (T.P. ad Vesperas)

   
6. 🔍 78% Alleluia (T.P. in I nocturno)

   
7. 🔍 78% Alleluia (mode 8)

   
8. 🔍 78% Alleluia

   
9. 🔍 74% Alleluia (Sund. T.P. at Terce)

   
10. 🔍 73% Alleluia (T.P. ad Nonam)

    
11. 🔍 73% Alleluia (T.P. ad Tertiam)

    
12. 🔍 72% Alleluia Lapis revolutus

    
13. 🔍 71% Alleluia (Monday P. T. at Lauds)

    
14. 🔍 71% Alleluia (ant.)

    
15. 🔍 71% Alleluia (ant.)

    
16. 🔍 71% Alleluia. (Wednesday P. T. at Lauds II)

    
17. 🔍 71% Alleluia (Tuesday P. T. at Lauds)

    
18. 🔍 71% Alleluia (T.P. Feria II ad Vesperas)

    
19. 🔍 70% Alleluia. (Sund. P. T. at Lauds II)

    
20. 🔍 70% Alleluia (Feria secunda ad primam)

    
21. 🔍 70% Alleluia. (Sund. P. T. at Lauds)

    
22. 🔍 69% Alleluia. (Thursday P. T. at Lauds II)

    
23. 🔍 69% Puer natus in Bethlehem

    
24. 🔍 68% Alleluia. (Saturday P. T. at Lauds I)

    
25. 🔍 67% Alleluia (Per Hebdomadam ad Nonam T.P.)

    
26. 🔍 67% Alleluia. (Wednesday P. T. at Lauds I)

    
27. 🔍 67% Alleluia (Tuesday P. T. at Lauds)

    
28. 🔍 67% Alleluia (Feria Secunda ad Sextam T.P.)

    
29. 🔍 66% Alleluia

    
30. 🔍 66% Alleluia. (Saturday P. T. at Lauds II)

    
31. 🔍 66% Alleluia Omnes Gentes

    
32. 🔍 65% Alleluia (T.P. ad Sextam)

    
33. 🔍 65% Alleluia Dom. Compl. T.P. I

    
34. 🔍 65% Alleluia Fer. V T.P. I

    
35. 🔍 65% Alleluia. (Friday P. T. at Lauds I)

    
36. 🔍 65% Alleluia. (Tuesday P. T. at Vespers)

    
37. 🔍 65% Alleluia (Feria Secunda ad Nonam T.P.)

    
38. 🔍 64% Alleluia. (Thursday P. T. at Lauds I)

    
39. 🔍 64% Alleluia (Friday P. T. at Vespers)

    
40. 🔍 64% Alleluia Fer. II T.P. I

    
41. 🔍 64% Alleluia. (Sund. P. T. at Vespers)

    
42. 🔍 64% Alleluia Fer. VI T.P. II

    
43. 🔍 64% Alleluia (Per Hebdomadam ad Sextam T.P.)

    
44. 🔍 63% Gustate et videte

    
45. 🔍 63% Alleluia (Dominica per Annum ad Laudes)

    
46. 🔍 63% Alleluia (Tuesday P. T. at Lauds)

    
47. 🔍 63% Alleluia Fer. IV T.P. I

    
48. 🔍 63% Alleluia (T. P. ad Primam)

    
49. 🔍 63% Alleluia. (Monday P. T. at Vespers)

    
50. 🔍 62% Alleluia (T.P. Invitatorium)

    
51. 🔍 62% Omnes Gentes

    
52. 🔍 62% Alleluia (Wednesday P. T. at Lauds)

    
53. 🔍 62% Alleluia Fer. III T.P. I

    
54. 🔍 62% Alleluia (Dominica ad Nonam T.P.)

    
55. 🔍 62% Alleluia. (Friday P. T. at Lauds II)

    
56. 🔍 62% Alleluia Fer. V T.P. II

    
57. 🔍 62% Alleluia Fer. IV T.P. II

    
58. 🔍 61% Alleluia (T. P. ad Tertiam)

    
59. 🔍 61% Alleluia Fer. II T.P. II

    
60. 🔍 61% Alleluia Fer. III T.P. II

    
61. 🔍 61% Alleluia Fer. VI T.P. I

    
62. 🔍 61% Alleluia. (Monday P. T. at Lauds)

    
63. 🔍 61% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
64. 🔍 61% Alleluia alleluia alleluia alleluia (TP ad Sextam)