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 et sceptrum

   
1. 🔍 84% O clavis David

   
2. 🔍 83% O Clavis David

   
3. 🔍 66% O clavis David

   
4. 🔍 66% O clavis David

   
5. 🔍 62% O Clavis David

   
6. 🔍 62% O Clavis David

   
7. 🔍 62% O Clavis David

   
8. 🔍 62% O Clavis

   
9. 🔍 46% O Oriens splendor lucis

   
10. 🔍 39% O Oriens splendor

    
11. 🔍 34% O Oriens

    
12. 🔍 33% O Rex gentium

    
13. 🔍 28% O radix Jesse

    
14. 🔍 28% O Virgo virginum

    
15. 🔍 27% O Rex gentium

    
16. 🔍 27% Genuit puerpera Regem

    
17. 🔍 26% O Emmánuel

    
18. 🔍 26% O Oriens

    
19. 🔍 25% O Sapientia

    
20. 🔍 24% O mundi Domina

    
21. 🔍 24% O Sapientia

    
22. 🔍 24% O Sapientia

    
23. 🔍 24% O Doctor optime(Athanasi)

    
24. 🔍 24% O Adonai

    
25. 🔍 24% O Oriens

    
26. 🔍 23% O Doctor optime

    
27. 🔍 23% Illumina Domine (II)

    
28. 🔍 23% O Rex gentium

    
29. 🔍 22% O radix Jesse

    
30. 🔍 22% O Oriens

    
31. 🔍 22% O Adonai

    
32. 🔍 22% O Emmanuel

    
33. 🔍 22% Genuit puerpera regem

    
34. 🔍 22% Ego sum resurrectio

    
35. 🔍 22% O Oriens

    
36. 🔍 22% O Oriens

    
37. 🔍 22% Rector potens (In Adventu)

    
38. 🔍 22% Rector potens (In Adventu)

    
39. 🔍 21% Benedicamus (In I Vesperis)

    
40. 🔍 21% Rerum Deus (In Adventu)

    
41. 🔍 21% Jam lucis orto sidere (Tempore Adventus)

    
42. 🔍 21% Exsultet jam Angelica

    
43. 🔍 21% Praefatio solemnior de sancto Joanne Baptista

    
44. 🔍 21% Ne reminiscaris

    
45. 🔍 20% O doctor optime... Bernarde

    
46. 🔍 20% Genuit puerpera Regem

    
47. 🔍 20% Illuminare Domine his qui

    
48. 🔍 20% Pater eram

    
49. 🔍 20% Ego sum via

    
50. 🔍 20% Usque modo

    
51. 🔍 20% Vidi aquam

    
52. 🔍 20% Praefatio solemnis de sancto Joanne Baptista

    
53. 🔍 20% O Adonai

    
54. 🔍 20% Ecce quomodo moritur

    
55. 🔍 20% Praefatio solemnior de sacratissimo Corde Iesu

    
56. 🔍 20% Praefatio solemnior de Ecclesiae Dedicatione

    
57. 🔍 19% Petite et accipietis quaerite

    
58. 🔍 19% Dixit Jesus: ut

    
59. 🔍 19% Praefatio solemnior de Omnibus Sanctis et Patronis

    
60. 🔍 19% Aeterne lucis conditor

    
61. 🔍 19% O Rex gentium

    
62. 🔍 19% Nox et tenebrae (in Aestate)

    
63. 🔍 19% Passio DNJC secundum Marcum

    
64. 🔍 19% O Emmanuel