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% O radix Jesse

   
1. 🔍 87% O radix Jesse

   
2. 🔍 73% O radix Jesse

   
3. 🔍 73% O radix Jesse

   
4. 🔍 71% O radix Jesse

   
5. 🔍 67% O Radix

   
6. 🔍 56% O Radix Iesse

   
7. 🔍 53% O Radix Iesse

   
8. 🔍 53% O Radix Iesse

   
9. 🔍 41% O Rex gentium

   
10. 🔍 36% O Doctor optime(Athanasi)

    
11. 🔍 35% O Doctor optime

    
12. 🔍 34% O Sapientia

    
13. 🔍 34% O Rex gentium

    
14. 🔍 34% O Emmánuel

    
15. 🔍 33% O Sapientia

    
16. 🔍 33% O Sapientia

    
17. 🔍 32% O doctor optime... Bernarde

    
18. 🔍 31% Germinavit radix Jesse

    
19. 🔍 29% O Oriens splendor lucis

    
20. 🔍 29% Rector potens (In Adventu)

    
21. 🔍 29% Rector potens (In Adventu)

    
22. 🔍 29% Radix Jesse

    
23. 🔍 29% Jam lucis orto sidere (Tempore Adventus)

    
24. 🔍 28% O clavis David et sceptrum

    
25. 🔍 28% Praefatio solemnior de Martyribus

    
26. 🔍 28% Rerum Deus (In Adventu)

    
27. 🔍 28% O Emmanuel

    
28. 🔍 28% Praefatio solemnis de Martyribus

    
29. 🔍 27% Exsultet jam Angelica

    
30. 🔍 27% Praefatio solemnior de sancta Cruce

    
31. 🔍 27% O Oriens splendor

    
32. 🔍 27% Praefatio solemnior de nuptiis

    
33. 🔍 27% Praefatio solemnior de Omnibus Sanctis et Patronis

    
34. 🔍 27% Praefatio solemnior de Quadragesima

    
35. 🔍 27% Praefatio solemnis de nuptiis

    
36. 🔍 27% Praefatio solemnis de Martyribus

    
37. 🔍 27% Praefatio solemnis de beata Maria Virgine

    
38. 🔍 27% Praefatio solemnis de sancta Cruce

    
39. 🔍 27% Praefatio de S. Willibrordo

    
40. 🔍 27% Praefatio solemnior de sancto Ioseph Sponso B. M. V.

    
41. 🔍 27% O Adonai

    
42. 🔍 26% Nunc Sancte nobis (In Adventu)

    
43. 🔍 26% Praefatio solemnior communis

    
44. 🔍 26% Praefatio solemnior de beata Maria Virgine

    
45. 🔍 26% Verbum supernum prodiens a

    
46. 🔍 26% Praefatio solemnis de Omnibus Sanctis et Patronis

    
47. 🔍 26% Praefatio solemnior de Angelis

    
48. 🔍 26% Verbum supernum prodiens a

    
49. 🔍 25% O Rex gentium

    
50. 🔍 25% Praefatio solemnis de Angelis

    
51. 🔍 25% Praefatio solemnis de S. Benedicto

    
52. 🔍 25% Praefatio solemnis de sancto Elia Propheta

    
53. 🔍 25% Praefatio solemnior de S. Benedicto

    
54. 🔍 25% Praefatio solemnis communis

    
55. 🔍 25% Praefatio solemnis de sancto Ioseph Sponso B. M. V.

    
56. 🔍 25% Praefatio solemnis de sancto Ioanne Baptista

    
57. 🔍 25% Praefatio solemnior de Adventu

    
58. 🔍 25% O Doctor optime (nomina doctorum)

    
59. 🔍 25% Praefatio solemnis de Adventu

    
60. 🔍 25% Praefatio de Beata Maria Virgine I

    
61. 🔍 25% Ecce radix Jesse

    
62. 🔍 24% Praefatio solemnior de sancto Joanne Baptista

    
63. 🔍 24% Praefatio solemnior de sancto Ioanne Baptista

    
64. 🔍 24% O Sapientia