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. 🔍 100% O Sapientia

   
2. 🔍 96% O Sapientia

   
3. 🔍 82% O Sapientia

   
4. 🔍 73% O Sapientia

   
5. 🔍 73% O Sapientia

   
6. 🔍 65% O Sapientia

   
7. 🔍 64% O Sapientia

   
8. 🔍 64% O Sapientia

   
9. 🔍 64% O Sapientia

   
10. 🔍 62% O Sapientia

    
11. 🔍 58% O Sapientia

    
12. 🔍 37% O Rex gentium

    
13. 🔍 33% O radix Jesse

    
14. 🔍 32% O Rex gentium

    
15. 🔍 32% Nunc tempus

    
16. 🔍 30% Praefatio solemnis de sancto Ioanne Baptista

    
17. 🔍 30% O radix Jesse

    
18. 🔍 30% Praefatio solemnis de Ecclesiae Dedicatione

    
19. 🔍 30% Exsultet jam Angelica

    
20. 🔍 30% Praefatio solemnis de sancto Joanne Baptista

    
21. 🔍 29% Verbum supernum prodiens a

    
22. 🔍 29% O Doctor optime(Athanasi)

    
23. 🔍 29% O Emmánuel

    
24. 🔍 29% Jam lucis orto sidere (Tempore Adventus)

    
25. 🔍 28% O Doctor optime

    
26. 🔍 28% Praefatio solemnis de nuptiis

    
27. 🔍 28% Praefatio solemnior de sancto Joanne Baptista

    
28. 🔍 28% Rerum Deus (In Adventu)

    
29. 🔍 28% Verbum supernum prodiens a

    
30. 🔍 28% Rector potens (In Adventu)

    
31. 🔍 28% Rector potens (In Adventu)

    
32. 🔍 28% Praefatio de S. Willibrordo

    
33. 🔍 28% Praefatio solemnis de Adventu

    
34. 🔍 28% Praefatio de Adventu II

    
35. 🔍 28% Praefatio solemnis de sancto Elia Propheta

    
36. 🔍 27% Praefatio solemnior de sancto Ioanne Baptista

    
37. 🔍 27% Praefatio solemnis de sancto Ioseph Sponso B. M. V.

    
38. 🔍 27% Nunc Sancte nobis (In Adventu)

    
39. 🔍 27% Praefatio solemnior de Ecclesiae Dedicatione

    
40. 🔍 27% Praefatio solemnis de Martyribus

    
41. 🔍 27% Praefatio solemnior de nuptiis

    
42. 🔍 27% Praefatio de nuptiis

    
43. 🔍 27% Praefatio solemnis de Spiritu Sancto

    
44. 🔍 27% O doctor optime... Bernarde

    
45. 🔍 27% Praefatio solemnis de S. Benedicto

    
46. 🔍 27% Aeterna caeli gloria (in Aestate)

    
47. 🔍 27% Aeterna caeli gloria (aestivalis)

    
48. 🔍 27% Sanctorum meritis

    
49. 🔍 27% Protege Domine

    
50. 🔍 26% O Oriens splendor

    
51. 🔍 26% O Adonai

    
52. 🔍 26% Praefatio de Adventu I

    
53. 🔍 26% Praefatio solemnior de sancto Ioseph Sponso B. M. V.

    
54. 🔍 26% Praefatio solemnis de sanctissima Eucharistia

    
55. 🔍 26% Gloria (ad lib.) III / III B

    
56. 🔍 26% O Emmanuel

    
57. 🔍 26% Praefatio solemnior de Martyribus

    
58. 🔍 26% Praefatio solemnis de D. N. Iesu Christo Rege

    
59. 🔍 26% Praefatio solemnis de Omnibus Sanctis et Patronis

    
60. 🔍 26% Praefatio de sollemnitate omnium sanctorum

    
61. 🔍 25% Praefatio de Dominica IV in Quadragesima

    
62. 🔍 25% Hodie sanctus Benedictus per viam

    
63. 🔍 25% Summi largitor praemii

    
64. 🔍 25% Prefatio sollemnis Sanctae Mariae Magdalenae