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% Loquebantur variis

   
1. 🔍 96% Loquebantur (Ant.)

   
2. 🔍 50% Loquebantur

   
3. 🔍 50% Loquebantur

   
4. 🔍 47% Loquebantur

   
5. 🔍 45% Loquebantur (Ant.)

   
6. 🔍 41% Loquebantur

   
7. 🔍 36% Alleluia (T.P. ad Laudes)

   
8. 🔍 36% Alleluia (T.P. in II nocturno)

   
9. 🔍 36% Alleluia (mode 8)

   
10. 🔍 35% Alleluia (T.P. in III nocturno)

    
11. 🔍 34% Alleluia

    
12. 🔍 34% Alleluia (T.P. in I nocturno)

    
13. 🔍 34% Alleluia. (Wednesday P. T. at Vespers)

    
14. 🔍 34% Alleluia Laudate

    
15. 🔍 34% Alleluia (T.P. ad Vesperas)

    
16. 🔍 33% Alleluia (ant.)

    
17. 🔍 33% Alleluia (ant.)

    
18. 🔍 33% Alleluia (mode 8)

    
19. 🔍 33% Alleluia. (Sund. P. T. at Prime)

    
20. 🔍 33% Alleluia. (Sund. P. T. at Terce)

    
21. 🔍 33% Alleluia Lapis revolutus

    
22. 🔍 33% Alleluia. (Sund. P. T. at Sext)

    
23. 🔍 33% Alleluia (T. P. Laud. Fer. II.)

    
24. 🔍 33% Alleluia. (Monday P. T. at Vespers)

    
25. 🔍 32% Alleluia. (Saturday P. T. at Vespers)

    
26. 🔍 32% Alleluia. (Sund. P. T. at Lauds I)

    
27. 🔍 32% Alleluia. (Thursday P. T. at Vespers)

    
28. 🔍 32% Repleti sunt omnes

    
29. 🔍 32% Repleti sunt omnes

    
30. 🔍 32% Alleluia (T. P. ad Tertiam)

    
31. 🔍 32% Alleluia. (Friday P. T. at Vespers)

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

    
33. 🔍 32% Alleluia (T. P. ad Primam)

    
34. 🔍 32% Alleluia (T.P. ad Nonam)

    
35. 🔍 31% Alleluia (T.P. Feria II ad Vesperas)

    
36. 🔍 31% Alleluia (T. P. ad Sextam)

    
37. 🔍 31% In velamento clamabant

    
38. 🔍 31% Alleluia Omnes Gentes

    
39. 🔍 31% Laetare

    
40. 🔍 31% Alleluia. (Tuesday P. T. at Vespers)

    
41. 🔍 31% Alleluia (T.P. ad Tertiam)

    
42. 🔍 31% Alleluia. (Sund. P. T. at Vespers)

    
43. 🔍 31% Alleluia

    
44. 🔍 31% Alleluia Fer. II T.P. I

    
45. 🔍 31% Alleluia (T. P. Vesp. Fer. II.)

    
46. 🔍 31% Alleluia (T. P. Laud. Fer. V.)

    
47. 🔍 30% Spiritus Domini replevit

    
48. 🔍 30% Spiritus Domini replevit

    
49. 🔍 30% Spiritus Domini replevit

    
50. 🔍 30% Puer natus in Bethlehem

    
51. 🔍 30% Lux de luce

    
52. 🔍 30% Alleluia (T. P. Laud. Fer. IV.)

    
53. 🔍 30% Alleluia (T. P. Laud. Fer. III.)

    
54. 🔍 30% Alleluia (T. P. ad Nonam)

    
55. 🔍 30% Alleluia (T. P. Laud. Dom.)

    
56. 🔍 30% Alleluia. (Sund. P. T. at None)

    
57. 🔍 30% Alleluia Dom. Compl. T.P. I

    
58. 🔍 30% Omnes Gentes

    
59. 🔍 30% Si diligitis me

    
60. 🔍 30% Alleluia (T. P. Vesp. Fer. VI.)

    
61. 🔍 30% Alleluia faciem tuam. (Sundays throughout the year at None)

    
62. 🔍 30% Alleluia (T. P. Laud. Fer. VI.)

    
63. 🔍 29% Alleluia (T.P. ad Sextam)

    
64. 🔍 29% Alleluia Faciem tuam