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 Oriens splendor lucis

   
1. 🔍 69% O Oriens splendor

   
2. 🔍 57% O Oriens

   
3. 🔍 54% O Oriens

   
4. 🔍 54% O Oriens

   
5. 🔍 53% O Oriens

   
6. 🔍 53% O Oriens

   
7. 🔍 50% O Oriens

   
8. 🔍 46% O clavis David et sceptrum

   
9. 🔍 36% O clavis David

   
10. 🔍 32% Illumina Domine (II)

    
11. 🔍 32% O Clavis David

    
12. 🔍 29% O radix Jesse

    
13. 🔍 29% Genuit puerpera Regem

    
14. 🔍 28% O Rex gentium

    
15. 🔍 28% Splendor paternae gloriae (in Aestate)

    
16. 🔍 28% Exsultet jam Angelica

    
17. 🔍 27% Illumina Domine sedentes

    
18. 🔍 27% Rerum Deus (In Adventu)

    
19. 🔍 27% Candor est lucis aeternae (Ant.)

    
20. 🔍 27% O Doctor optime(Athanasi)

    
21. 🔍 27% Splendor paternae gloriae

    
22. 🔍 27% O Sapientia

    
23. 🔍 27% Splendor paternae

    
24. 🔍 26% O Doctor optime

    
25. 🔍 26% Rector potens (In Adventu)

    
26. 🔍 26% Rector potens (In Adventu)

    
27. 🔍 26% Exortum est in tenebris

    
28. 🔍 26% Illumina Domine sedentes

    
29. 🔍 25% O Sapientia

    
30. 🔍 25% O Sapientia

    
31. 🔍 24% Jam lucis orto sidere (Tempore Adventus)

    
32. 🔍 24% Verbum supernum prodiens a

    
33. 🔍 24% Christus Jesus splendor

    
34. 🔍 24% O Clavis David

    
35. 🔍 24% Visitavit nos oriens

    
36. 🔍 23% O clavis David

    
37. 🔍 23% Sol ecce lentus

    
38. 🔍 23% O Clavis

    
39. 🔍 23% Verbum supernum prodiens a

    
40. 🔍 23% Nunc Sancte nobis (In Adventu)

    
41. 🔍 23% Aeterne lucis conditor

    
42. 🔍 23% Miserator Dominus

    
43. 🔍 23% Illuminare Domine his qui

    
44. 🔍 23% Ego sum via

    
45. 🔍 23% Aeterna caeli gloria (in Aestate)

    
46. 🔍 22% Aeterna caeli gloria (aestivalis)

    
47. 🔍 22% O Emmánuel

    
48. 🔍 22% Ecce vir Oriens

    
49. 🔍 22% Lucis Largitor

    
50. 🔍 22% Exsultet jam Angelica

    
51. 🔍 22% Genuit puerpera regem

    
52. 🔍 22% O clavis David

    
53. 🔍 22% Splendor Paternae gloriae

    
54. 🔍 22% Adesto rerum conditor

    
55. 🔍 22% Aurora Jam Spargit Polum (aestivalis)

    
56. 🔍 22% O lux beata Caelitum

    
57. 🔍 22% O lux beata Caelitum

    
58. 🔍 22% Tibi Christe splendor Patris

    
59. 🔍 22% Praefatio solemnis de D. N. Iesu Christo Rege

    
60. 🔍 21% Candor est lucis

    
61. 🔍 21% Praefatio solemnis de sacratissimo Corde Iesu

    
62. 🔍 21% O lux beata Caelitum

    
63. 🔍 21% Beatus Andreas

    
64. 🔍 21% O doctor optime... Bernarde