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: 2025-12-20. 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% Rector potens verax Deus (2)

   
1. 🔍 77% Rector potens verax Deus (1)

   
2. 🔍 76% Rector potens verax Deus (3)

   
3. 🔍 72% Rector potens verax Deus (4)

   
4. 🔍 52% Rector potens (Dom.)

   
5. 🔍 49% Rector potens Fer.

   
6. 🔍 49% Nunc sancte nobis Spiritus (2)

   
7. 🔍 49% Rector potens Fer.

   
8. 🔍 48% Rerum Deus (2)

   
9. 🔍 48% Rector Potens

   
10. 🔍 44% Rector potens (Festis Minoribus)

    
11. 🔍 43% Rector potens(Solemnitatibus)

    
12. 🔍 43% Rector potens verax Deus (In Major. Festis)

    
13. 🔍 42% Rector potens verax Deus (In Quadragesima)

    
14. 🔍 42% Rector Potens Verax Deus Hymn 1, Pg 10

    
15. 🔍 41% Rector potens verax Deus (in Dom. et Minor. Festis)

    
16. 🔍 41% Rector potens verax Deus (In Festis)

    
17. 🔍 40% Rector potens verax Deus (In tempore Epiphaniae)

    
18. 🔍 40% Rector potens (dom.)

    
19. 🔍 39% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
20. 🔍 39% Rector potens verax Deus (In tempore Passionis)

    
21. 🔍 38% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
22. 🔍 38% Rector potens verax Deus (In Feriis per annum)

    
23. 🔍 38% Rector potens verax Deus (Septem Dolorum)

    
24. 🔍 38% Rector potens(In Festis Majoribus)

    
25. 🔍 37% Rector potens verax Deus (In tempore Paschali)

    
26. 🔍 37% Rector potens (In Festis majoribus)

    
27. 🔍 36% Rector potens verax Deus (In Pentecoste)

    
28. 🔍 36% Rector potens verax Deus (In tempore Nativitatis)

    
29. 🔍 35% Rector Potens Verax Deus Hymn 2, Pg 10

    
30. 🔍 34% Rector potens (In Dominicis per Annum)

    
31. 🔍 34% Splendor Paternae gloriae

    
32. 🔍 34% Rector potens (In Tempore Paschali)

    
33. 🔍 34% Aeterne rerum Conditor

    
34. 🔍 34% Jam lucis orto (In Festis MM. min., Dominicis...)

    
35. 🔍 34% Rerum Deus (3)

    
36. 🔍 33% Rector potens (In Adventu)

    
37. 🔍 33% Rector potens (In Festis Majoribus)

    
38. 🔍 32% Rector potens verax deus (in memoriis)

    
39. 🔍 32% Rector potens (In Dominicis per Annum)

    
40. 🔍 32% Rerum Deus tenax vigor

    
41. 🔍 32% Rerum Deus tenax vigor

    
42. 🔍 32% Rerum Deus (1)

    
43. 🔍 32% Rector potens (In Pentecoste)

    
44. 🔍 31% Deus Creator omnium

    
45. 🔍 31% Rerum Deus (4)

    
46. 🔍 31% Rector potens verax Deus (In Ascensione)

    
47. 🔍 30% Rector potens (In Festo S. Cordis Jesu)

    
48. 🔍 30% Rector potens (soll.)

    
49. 🔍 30% Rector potens (In Epiphania Domini)

    
50. 🔍 30% Rector potens (In Tempore Passionis)

    
51. 🔍 30% Rector Potens (In Nativitate Domini)

    
52. 🔍 29% Te lucis ante terminum (In Festis et Officiis iij. Lect., in Feriis T. P.)

    
53. 🔍 29% Rector potens verax Deus (In Transfiguratione)

    
54. 🔍 29% Rector potens (In Adventu)

    
55. 🔍 29% Rector potens (In Adventu)

    
56. 🔍 29% Rector potens (in Festo Septem Dolorum BMV)

    
57. 🔍 29% Rector potens (In Festo Corporis Christi)

    
58. 🔍 29% Rector potens verax Deus (In festis BMV)

    
59. 🔍 29% Nocte surgentes

    
60. 🔍 29% Iam lucis orto sidere

    
61. 🔍 29% Conditor alme siderum

    
62. 🔍 28% Rector potens (in Feriis per Annum)

    
63. 🔍 28% Rector potens (in Solemnitatibus)

    
64. 🔍 28% Rector potens (Tempus Nativitatis)