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 Sapientia

   
1. 🔍 96% O Sapientia

   
2. 🔍 96% O Sapientia

   
3. 🔍 79% O Sapientia

   
4. 🔍 70% O Sapientia

   
5. 🔍 70% O Sapientia

   
6. 🔍 62% O Sapientia

   
7. 🔍 61% O Sapientia

   
8. 🔍 61% O Sapientia

   
9. 🔍 61% O Sapientia

   
10. 🔍 61% O Sapientia

    
11. 🔍 55% O Sapientia

    
12. 🔍 38% O Rex gentium

    
13. 🔍 34% O radix Jesse

    
14. 🔍 31% O Rex gentium

    
15. 🔍 31% O Emmánuel

    
16. 🔍 31% Nunc tempus

    
17. 🔍 30% O Doctor optime(Athanasi)

    
18. 🔍 30% O Doctor optime

    
19. 🔍 29% O radix Jesse

    
20. 🔍 29% Praefatio solemnis de sancto Ioanne Baptista

    
21. 🔍 29% Praefatio solemnis de Ecclesiae Dedicatione

    
22. 🔍 29% Jam lucis orto sidere (Tempore Adventus)

    
23. 🔍 29% Exsultet jam Angelica

    
24. 🔍 29% Rerum Deus (In Adventu)

    
25. 🔍 29% Praefatio solemnis de sancto Joanne Baptista

    
26. 🔍 28% Rector potens (In Adventu)

    
27. 🔍 28% Rector potens (In Adventu)

    
28. 🔍 28% Verbum supernum prodiens a

    
29. 🔍 28% Nunc Sancte nobis (In Adventu)

    
30. 🔍 27% Praefatio solemnis de nuptiis

    
31. 🔍 27% Praefatio solemnior de sancto Joanne Baptista

    
32. 🔍 27% Verbum supernum prodiens a

    
33. 🔍 27% Aeterna caeli gloria (in Aestate)

    
34. 🔍 27% O Oriens splendor lucis

    
35. 🔍 27% Aeterna caeli gloria (aestivalis)

    
36. 🔍 27% Hodie sanctus Benedictus per viam

    
37. 🔍 26% Praefatio de S. Willibrordo

    
38. 🔍 26% Praefatio solemnis de Adventu

    
39. 🔍 26% Praefatio de Adventu II

    
40. 🔍 26% Praefatio solemnis de sancto Elia Propheta

    
41. 🔍 26% Sanctorum meritis

    
42. 🔍 26% Praefatio solemnior de sancto Ioanne Baptista

    
43. 🔍 26% Praefatio solemnis de sancto Ioseph Sponso B. M. V.

    
44. 🔍 26% Praefatio solemnior de Ecclesiae Dedicatione

    
45. 🔍 26% Praefatio solemnis de Martyribus

    
46. 🔍 26% Praefatio solemnis de Spiritu Sancto

    
47. 🔍 26% Praefatio de nuptiis

    
48. 🔍 26% Praefatio solemnior de nuptiis

    
49. 🔍 26% O doctor optime... Bernarde

    
50. 🔍 26% Praefatio solemnis de S. Benedicto

    
51. 🔍 25% Protege Domine

    
52. 🔍 25% O Oriens splendor

    
53. 🔍 25% O Adonai

    
54. 🔍 25% Beata es Maria

    
55. 🔍 25% Praefatio de Adventu I

    
56. 🔍 25% Praefatio solemnior de sancto Ioseph Sponso B. M. V.

    
57. 🔍 25% O Emmanuel

    
58. 🔍 25% Sapientia clamitat

    
59. 🔍 25% Praefatio solemnis de sanctissima Eucharistia

    
60. 🔍 25% Gloria (ad lib.) III / III B

    
61. 🔍 25% O clavis David et sceptrum

    
62. 🔍 25% Sapientia aedificavit

    
63. 🔍 25% Praefatio solemnis de D. N. Iesu Christo Rege

    
64. 🔍 25% Praefatio solemnior de Martyribus