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

   
1. 🔍 91% Confitemini... quoniam

   
2. 🔍 53% Alleluia (ad Evangelium)

   
3. 🔍 45% Alleluia (ad Evangelium)

   
4. 🔍 33% Alleluia alleluia alleluia (Dom. ad Laudes)

   
5. 🔍 33% Alleluia. (Thursday P. T. at Vespers)

   
6. 🔍 31% Alleluia Fer. V T.P. II

   
7. 🔍 31% Alleluia alleluia (Dom. ad Laudes)

   
8. 🔍 30% Alleluia alleluia

   
9. 🔍 29% Alleluia. (T.P. ad Completorium)

   
10. 🔍 29% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
11. 🔍 29% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
12. 🔍 29% Alleluia. (Wednesday P. T. at Vespers)

    
13. 🔍 29% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
14. 🔍 28% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
15. 🔍 27% Alleluia (T. P. Vesp. Fer. V.)

    
16. 🔍 27% Alleluia alleluia alleluia alleluia (TP ad Primam)

    
17. 🔍 27% Alleluia alleluia alleluia (Dominica ad Primam)

    
18. 🔍 27% Alleluia. (Monday P. T. at Vespers)

    
19. 🔍 27% Alleluia. (Friday P. T. at Vespers)

    
20. 🔍 26% Alleluia. (Sund. P. T. at Prime)

    
21. 🔍 26% Alleluia. (Tuesday P. T. at Vespers)

    
22. 🔍 26% Alleluia (ad introitum mode 7)

    
23. 🔍 26% Alleluia. (Sund. P. T. at Terce)

    
24. 🔍 26% Ego sum pastor (cum Alleluia)

    
25. 🔍 25% Alleluia. (Saturday P. T. at Vespers)

    
26. 🔍 25% Alleluia. (Sund. P. T. at Vespers)

    
27. 🔍 25% Alleluia (mode 8)

    
28. 🔍 25% Notum fecit Dominus alleluia

    
29. 🔍 25% Alleluia (mode 8)

    
30. 🔍 25% Alleluia (ad introitum mode 2)

    
31. 🔍 25% Alleluia. (Paschal Vigil at Lauds)

    
32. 🔍 25% Alleluia. (Sund. P. T. at Sext)

    
33. 🔍 24% Alleluia (T.P. ad Sextam)

    
34. 🔍 24% Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)

    
35. 🔍 24% Alleluia alleluia alleluia (Sabbato T.P. in I Nocturno)

    
36. 🔍 24% Alleluia (ad introitum mode 8)

    
37. 🔍 24% Alleluia (T. P. Vesp. Fer. IV.)

    
38. 🔍 24% Alleluia

    
39. 🔍 24% Laudate... omnes gentes

    
40. 🔍 24% Alleluia (ad introitum mode 3)

    
41. 🔍 24% Alleluia alleluia alleluia (Sexta T.P. in I Nocturno)

    
42. 🔍 24% Alleluia. (Friday P. T. at Compline)

    
43. 🔍 24% Alleluia. (Wednesday P. T. at Compline)

    
44. 🔍 24% Alleluia

    
45. 🔍 24% Alleluia. (Saturday P. T. at Compline)

    
46. 🔍 24% Alleluia. (Monday P. T. at Compline)

    
47. 🔍 24% Alleluia. (Thursday P. T. at Compline)

    
48. 🔍 24% Alleluia (ad introitum mode 4)

    
49. 🔍 24% Alleluia. (Tuesday P. T. at Compline)

    
50. 🔍 23% Alleluia alleluia alleluia

    
51. 🔍 23% Alleluia (ad introitum mode 6)

    
52. 🔍 23% Alleluia (T. P. ad Primam)

    
53. 🔍 23% Alleluia (ad communionem mode 3)

    
54. 🔍 23% Alleluia Fer. V T.P. I

    
55. 🔍 23% Alleluia (T. P. ad Tertiam)

    
56. 🔍 23% Alleluia alleluia alleluia (Quarta T.P. in II Nocturno)

    
57. 🔍 23% Alleluia alleluia alleluia (Quinta T.P. in I Nocturno)

    
58. 🔍 23% Alleluia (ad communionem mode 4)

    
59. 🔍 23% Ite Ia

    
60. 🔍 22% Alleluia (ad offertorium mode 3)

    
61. 🔍 22% Alleluia (T. P. Laud. Fer. V.)

    
62. 🔍 22% Alleluia (ad communionem mode 8)

    
63. 🔍 22% Alleluia (ad communionem mode 6)

    
64. 🔍 22% Alleluia Fer. IV T.P. I