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 Doctor optime

   
1. 🔍 79% O doctor optime... Bernarde

   
2. 🔍 78% O Doctor optime(Athanasi)

   
3. 🔍 48% O Doctor optime

   
4. 🔍 43% O doctor optime

   
5. 🔍 35% O radix Jesse

   
6. 🔍 34% O Rex gentium

   
7. 🔍 34% O Emmánuel

   
8. 🔍 31% O Doctor optime (nomina doctorum)

   
9. 🔍 30% O Sapientia

   
10. 🔍 29% Ne timeas Maria (in Annunciatio)

    
11. 🔍 28% O radix Jesse

    
12. 🔍 28% O Sapientia

    
13. 🔍 28% O Sapientia

    
14. 🔍 28% O Doctor Optime (nomina doctorum)

    
15. 🔍 27% O Emmanuel

    
16. 🔍 27% Quare ergo rubrum

    
17. 🔍 27% O Rex gentium

    
18. 🔍 27% Beatam me dicent

    
19. 🔍 26% Rerum Deus (In Adventu)

    
20. 🔍 26% O Oriens splendor lucis

    
21. 🔍 25% Jam lucis orto sidere (Tempore Adventus)

    
22. 🔍 25% Rector potens (In Adventu)

    
23. 🔍 25% Rector potens (In Adventu)

    
24. 🔍 25% Crucem sanctam

    
25. 🔍 25% Alleluia. (Sund. P. T. at Lauds I)

    
26. 🔍 24% Nunc Sancte nobis (In Adventu)

    
27. 🔍 24% Sancte Pater Benedicte (Tonus Simplex)

    
28. 🔍 24% Verbum supernum prodiens a

    
29. 🔍 24% Ecce Dominus noster... ut illuminet

    
30. 🔍 24% Verbum supernum prodiens a

    
31. 🔍 24% Sapientiam Sanctorum (t.4) (T.P.)

    
32. 🔍 24% Audi Benigne Conditor

    
33. 🔍 24% Martyr et Pontifex Bonifatius

    
34. 🔍 24% Beata es Maria

    
35. 🔍 24% Exsultet jam Angelica

    
36. 🔍 24% Audi benigne conditor

    
37. 🔍 24% Beati estis

    
38. 🔍 24% O Adonai

    
39. 🔍 24% Audi benigne Conditor

    
40. 🔍 24% Ne timeas Maria

    
41. 🔍 24% Usque modo

    
42. 🔍 23% O clavis David et sceptrum

    
43. 🔍 23% Domine Jesu Christe

    
44. 🔍 23% Cantemus cuncti melodum

    
45. 🔍 23% O Petre lumen errantium

    
46. 🔍 23% Non vos relinquam

    
47. 🔍 23% Sanctificavit Dominus

    
48. 🔍 23% Splendor paternae gloriae

    
49. 🔍 23% Sapientiam Sanctorum (modus 4)

    
50. 🔍 23% Ne timeas Maria

    
51. 🔍 23% Quem vidistis pastores dicite

    
52. 🔍 23% O Rex gloriae

    
53. 🔍 22% Domine Jesu Christe

    
54. 🔍 22% Praefatio solemnior de beata Maria Virgine

    
55. 🔍 22% Ecce apparebit Dominus

    
56. 🔍 22% O Emmanuel

    
57. 🔍 22% Orbis patrator optime

    
58. 🔍 22% Splendor paternae gloriae (in Aestate)

    
59. 🔍 22% Te Deum Patrem

    
60. 🔍 22% Ad te de

    
61. 🔍 22% Audi benigne Conditor

    
62. 🔍 22% Nunc tempus

    
63. 🔍 22% Alleluia. (Saturday P. T. at Lauds I)

    
64. 🔍 22% Si manseritis in me