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 (Dominica ad Nonam)

   
1. 🔍 63% Alleluia (T.P. ad Nonam)

   
2. 🔍 61% Alleluia

   
3. 🔍 60% Alleluia alleluia alleluia alleluia (TP ad Nonam)

   
4. 🔍 60% Alleluia (mode 8)

   
5. 🔍 60% Alleluia (Per Hebdomadam ad Nonam T.P.)

   
6. 🔍 60% Alleluia (mode 8)

   
7. 🔍 58% Alleluia (T.P. in II nocturno)

   
8. 🔍 58% Alleluia (T.P. ad Laudes)

   
9. 🔍 58% Alleluia (Feria Secunda ad Nonam T.P.)

   
10. 🔍 57% Alleluia (T.P. ad Vesperas)

    
11. 🔍 57% Alleluia (T.P. in III nocturno)

    
12. 🔍 57% Alleluia (Dominica ad Nonam T.P.)

    
13. 🔍 56% Alleluia (Dominica per Annum ad Laudes)

    
14. 🔍 56% Alleluia. (Sund. P. T. at Lauds I)

    
15. 🔍 56% Alleluia (T. P. ad Nonam)

    
16. 🔍 56% Alleluia (T.P. in I nocturno)

    
17. 🔍 56% Alleluia (Feria Secunda ad Tertiam T.P.)

    
18. 🔍 56% Alleluia (T.P. Feria II ad Vesperas)

    
19. 🔍 55% Alleluia (Feria secunda ad primam)

    
20. 🔍 53% Alleluia (ant.)

    
21. 🔍 53% Alleluia (ant.)

    
22. 🔍 53% Alleluia (T.P. ad Tertiam)

    
23. 🔍 53% Alleluia

    
24. 🔍 52% Alleluia (Feria Secunda ad Sextam T.P.)

    
25. 🔍 51% Alleluia alleluia

    
26. 🔍 51% Alleluia alleluia alleluia (Dominica ad Primam)

    
27. 🔍 51% Alleluia (Sund. T.P. at Terce)

    
28. 🔍 51% Alleluia Lapis revolutus

    
29. 🔍 50% Alleluia (Per Hebdomadam ad Sextam T.P.)

    
30. 🔍 50% Alleluia Fer. V T.P. I

    
31. 🔍 50% Alleluia (Dominica ad Primam, per annum)

    
32. 🔍 50% Alleluia (T. P. ad Primam)

    
33. 🔍 49% Alleluia (T. P. ad Tertiam)

    
34. 🔍 49% Alleluia (T.P. ad Sextam)

    
35. 🔍 49% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
36. 🔍 49% Alleluia Fer. IV T.P. I

    
37. 🔍 49% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
38. 🔍 49% Alleluia Fer. II T.P. I

    
39. 🔍 49% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
40. 🔍 49% Alleluia Fer. VI T.P. II

    
41. 🔍 48% Alleluia Fer. VI T.P. I

    
42. 🔍 48% Puer natus in Bethlehem

    
43. 🔍 48% Alleluia (Dominica per Annum ad Laudes)

    
44. 🔍 47% Alleluia alleluia alleluia alleluia (TP ad Primam)

    
45. 🔍 47% Alleluia (in feriis ad Tertiam TP)

    
46. 🔍 46% Alleluia Fer. IV T.P. II

    
47. 🔍 46% Alleluia Fer. V T.P. II

    
48. 🔍 46% Alleluia (T. P. Laud. Fer. V.)

    
49. 🔍 46% Alleluia Fer. III T.P. I

    
50. 🔍 46% Alleluia (Monday P. T. at Lauds)

    
51. 🔍 46% Alleluia Fer. III T.P. II

    
52. 🔍 46% Alleluia Fer. II T.P. II

    
53. 🔍 46% Alleluia Dom. Compl. T.P. I

    
54. 🔍 46% Alleluia (T. P. ad Sextam)

    
55. 🔍 46% Alleluia (T. P. Laud. Fer. IV.)

    
56. 🔍 46% Alleluia (Feria tertia ad vesperas)

    
57. 🔍 45% Alleluia (Tuesday P. T. at Lauds)

    
58. 🔍 45% Alleluia. Dom. Laud

    
59. 🔍 45% Alleluia Omnes Gentes

    
60. 🔍 45% Alleluia. (Thursday P. T. at Lauds II)

    
61. 🔍 45% Alleluia (T.P. Invitatorium)

    
62. 🔍 45% Alleluia. (Tuesday P. T. at Vespers)

    
63. 🔍 45% Alleluia (T. P. Vesp. Fer. VI.)

    
64. 🔍 45% Alleluia. (Sund. P. T. at Lauds II)