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% Notum fecit Dominus alleluia

   
1. 🔍 67% Notum fecit Dominus

   
2. 🔍 65% Notum fecit

   
3. 🔍 62% Notum fecit Dominus

   
4. 🔍 61% Notum fecit Dominus alleluia

   
5. 🔍 57% Notum fecit Dominus alleluia

   
6. 🔍 56% Notum fecit Dominus salutare

   
7. 🔍 46% Alleluia (mode 8)

   
8. 🔍 46% Alleluia. (Wednesday P. T. at Vespers)

   
9. 🔍 45% Alleluia

   
10. 🔍 45% Alleluia alleluia alleluia alleluia (TP ad Nonam)

    
11. 🔍 45% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
12. 🔍 45% Alleluia alleluia alleluia alleluia (TP ad Tertiam)

    
13. 🔍 45% Alleluia Laudate

    
14. 🔍 44% Alleluia (mode 8)

    
15. 🔍 44% Alleluia alleluia alleluia (Dominica ad Primam)

    
16. 🔍 43% Alleluia. (Monday P. T. at Vespers)

    
17. 🔍 43% Alleluia. (Thursday P. T. at Vespers)

    
18. 🔍 43% Alleluia alleluia alleluia alleluia (TP ad Primam)

    
19. 🔍 43% Alleluia. (Friday P. T. at Vespers)

    
20. 🔍 42% Alleluia (T.P. in I nocturno)

    
21. 🔍 42% Alleluia (T.P. in III nocturno)

    
22. 🔍 42% Alleluia

    
23. 🔍 42% Alleluia (T.P. ad Laudes)

    
24. 🔍 42% Alleluia. (Tuesday P. T. at Vespers)

    
25. 🔍 42% Alleluia. (Sund. P. T. at Terce)

    
26. 🔍 42% Alleluia. (Sund. P. T. at Prime)

    
27. 🔍 41% Alleluia. (Saturday P. T. at Vespers)

    
28. 🔍 41% Alleluia (T.P. in II nocturno)

    
29. 🔍 41% Notum fecit Dominus

    
30. 🔍 41% Alleluia (T.P. ad Vesperas)

    
31. 🔍 40% Alleluia alleluia

    
32. 🔍 40% Alleluia (T. P. Vesp. Fer. IV.)

    
33. 🔍 40% Alleluia (T.P. Feria II ad Vesperas)

    
34. 🔍 40% Alleluia. (Paschal Vigil at Lauds)

    
35. 🔍 39% Alleluia (T. P. ad Tertiam)

    
36. 🔍 39% Alleluia (ant.)

    
37. 🔍 39% Alleluia (ant.)

    
38. 🔍 39% Alleluia (T.P. ad Tertiam)

    
39. 🔍 39% Alleluia. (Sund. P. T. at Sext)

    
40. 🔍 39% Alleluia Lapis revolutus

    
41. 🔍 39% Alleluia (T. P. Laud. Fer. II.)

    
42. 🔍 39% Alleluia Dominus regnavit

    
43. 🔍 39% Alleluia (T. P. ad Primam)

    
44. 🔍 39% Alleluia Fer. V T.P. I

    
45. 🔍 39% Alleluia alleluia alleluia alleluia (TP ad Sextam)

    
46. 🔍 38% Alleluia. (Sund. P. T. at Lauds I)

    
47. 🔍 38% Alleluia Fer. IV T.P. I

    
48. 🔍 38% Alleluia Fer. III T.P. I

    
49. 🔍 38% Alleluia (T.P. ad Nonam)

    
50. 🔍 38% Ipse invocabit me

    
51. 🔍 38% Alleluia alleluia alleluia (Sexta T.P. in III Nocturno)

    
52. 🔍 38% Alleluia alleluia alleluia (Tertia T.P. in III Nocturno)

    
53. 🔍 38% Alleluia Fer. VI T.P. II

    
54. 🔍 38% Alleluia Fer. V T.P. II

    
55. 🔍 38% Alleluia Fer. IV T.P. II

    
56. 🔍 38% Alleluia Omnes Gentes

    
57. 🔍 38% Alleluia alleluia alleluia (Sabbato T.P. in II Nocturno)

    
58. 🔍 37% Alleluia Dominus regnavit

    
59. 🔍 37% Alleluia Fer. II T.P. I

    
60. 🔍 37% Alleluia. (Sund. P. T. at Vespers)

    
61. 🔍 37% In velamento clamabant

    
62. 🔍 37% Alleluia Fer. II T.P. II

    
63. 🔍 37% Alleluia (T. P. Vesp. Fer. II.)

    
64. 🔍 37% Alleluia (T. P. Laud. Fer. V.)