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 clavis David

   
1. 🔍 89% O Clavis David

   
2. 🔍 84% O clavis David et sceptrum

   
3. 🔍 75% O clavis David

   
4. 🔍 75% O clavis David

   
5. 🔍 68% O Clavis David

   
6. 🔍 68% O Clavis David

   
7. 🔍 68% O Clavis David

   
8. 🔍 68% O Clavis

   
9. 🔍 52% O Oriens splendor

   
10. 🔍 47% O Oriens

    
11. 🔍 40% O Rex gentium

    
12. 🔍 36% O Oriens splendor lucis

    
13. 🔍 35% O Rex gentium

    
14. 🔍 32% O Oriens

    
15. 🔍 32% O Adonai

    
16. 🔍 32% O Virgo virginum

    
17. 🔍 31% O Emmanuel

    
18. 🔍 30% O Adonai

    
19. 🔍 30% O Rex gentium

    
20. 🔍 30% O mundi Domina

    
21. 🔍 28% O radix Jesse

    
22. 🔍 28% Genuit puerpera regem

    
23. 🔍 28% O Emmanuel

    
24. 🔍 27% Genuit puerpera Regem

    
25. 🔍 25% O Sapientia

    
26. 🔍 25% O Rex gentium

    
27. 🔍 24% O Sapientia

    
28. 🔍 24% O Sapientia

    
29. 🔍 24% O radix Jesse

    
30. 🔍 23% Illumina Domine (II)

    
31. 🔍 23% O radix Jesse

    
32. 🔍 23% O Sapientia

    
33. 🔍 23% O Sapientia

    
34. 🔍 23% O Oriens

    
35. 🔍 23% O Emmánuel

    
36. 🔍 23% O Emmanuel

    
37. 🔍 23% O Oriens

    
38. 🔍 23% O Oriens

    
39. 🔍 22% Genuit puerpera Regem

    
40. 🔍 22% O Adonai

    
41. 🔍 22% O Sapientia

    
42. 🔍 22% O Oriens

    
43. 🔍 21% Languentibus in Purgatorio (Alter tonus)

    
44. 🔍 21% O Doctor optime

    
45. 🔍 21% Illumina Domine sedentes

    
46. 🔍 21% Exsultet jam Angelica

    
47. 🔍 20% Praefatio solemnior de sancto Joanne Baptista

    
48. 🔍 20% O Virgo virginum

    
49. 🔍 20% Venite exsultemus II

    
50. 🔍 20% Praefatio solemnis de sancto Joanne Baptista

    
51. 🔍 20% Pater eram

    
52. 🔍 20% Tribus miraculis

    
53. 🔍 20% O Adonai

    
54. 🔍 20% O Doctor optime

    
55. 🔍 20% Praefatio solemnior de Ecclesiae Dedicatione

    
56. 🔍 19% O Doctor optime(Athanasi)

    
57. 🔍 19% Praefatio solemnior de Nativitate Domini

    
58. 🔍 19% Domine tu mihi

    
59. 🔍 19% Domine tu mihi

    
60. 🔍 19% Praefatio solemnior de nuptiis

    
61. 🔍 19% Praefatio solemnior de sacratissimo Corde Iesu

    
62. 🔍 19% O doctor optime... Bernarde

    
63. 🔍 19% Tu autem cum oraveris

    
64. 🔍 19% Praefatio solemnior de Omnibus Sanctis et Patronis