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% Rector potens verax Deus (1)

   
1. 🔍 77% Rector potens verax Deus (3)

   
2. 🔍 77% Rector potens verax Deus (2)

   
3. 🔍 75% Rector potens verax Deus (4)

   
4. 🔍 52% Rector potens Fer.

   
5. 🔍 51% Rector potens Fer.

   
6. 🔍 49% Rector potens (Dom.)

   
7. 🔍 48% Rerum Deus (1)

   
8. 🔍 47% Nunc sancte nobis Spiritus (1)

   
9. 🔍 47% Rector potens(Solemnitatibus)

   
10. 🔍 44% Rector potens verax Deus (In Pentecoste)

    
11. 🔍 42% Rector potens (Festis Minoribus)

    
12. 🔍 42% Rector potens verax Deus (In Quadragesima)

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

    
14. 🔍 41% Rector potens verax Deus (In Fer. et Fest. Simpl.)

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

    
16. 🔍 40% Rector potens (In Pentecoste)

    
17. 🔍 40% Rector potens verax Deus (In Feriis per annum)

    
18. 🔍 39% Rector potens verax Deus (In tempore Passionis)

    
19. 🔍 39% Rector potens verax Deus (In tempore Paschali)

    
20. 🔍 39% Rector Potens Verax Deus Hymn 1, Pg 10

    
21. 🔍 38% Rector potens verax Deus (Septem Dolorum)

    
22. 🔍 37% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
23. 🔍 37% Rector potens verax Deus (In tempore Nativitatis)

    
24. 🔍 36% Rector potens (dom.)

    
25. 🔍 36% Rector potens (In Tempore Paschali)

    
26. 🔍 35% Lucis Creator optime

    
27. 🔍 35% Rector potens verax Deus (In Festis)

    
28. 🔍 35% Rerum Deus (3)

    
29. 🔍 35% Aeterne rerum Conditor

    
30. 🔍 35% Rector Potens

    
31. 🔍 35% Rector potens (In Adventu)

    
32. 🔍 35% Rerum Deus (2)

    
33. 🔍 35% Splendor Paternae gloriae

    
34. 🔍 35% Rector potens verax deus (in memoriis)

    
35. 🔍 34% Rector potens verax Deus (In Major. Festis)

    
36. 🔍 34% Rector potens verax Deus (In Ascensione)

    
37. 🔍 34% Rector potens (In Dominicis per Annum)

    
38. 🔍 33% Rector potens verax Deus (In festis BMV)

    
39. 🔍 33% Rector potens (In Festo Pentecostes)

    
40. 🔍 33% Rector Potens Verax Deus Hymn 2, Pg 10

    
41. 🔍 33% Deus Creator omnium

    
42. 🔍 33% Rerum Deus (4)

    
43. 🔍 33% Rector potens(In Festis Majoribus)

    
44. 🔍 32% Iam lucis orto sidere (solemnitatibus)

    
45. 🔍 32% Rector potens verax Deus (In Transfiguratione)

    
46. 🔍 32% Rector potens (In Festo Christi Regis)

    
47. 🔍 31% Nocte surgentes

    
48. 🔍 30% Rector potens (In Festo S. Cordis Jesu)

    
49. 🔍 30% Rector potens (in Feriis per Annum)

    
50. 🔍 30% Conditor alme siderum

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

    
52. 🔍 30% Rector potens (Adv.)

    
53. 🔍 29% Rector potens (In Tempore Paschali)

    
54. 🔍 29% Rector potens (In Festo S. Cordis Jesu)

    
55. 🔍 29% Salvete flores Martyrum

    
56. 🔍 29% Rector potens (In Festo Corporis Christi)

    
57. 🔍 29% Rector potens (In Tempore Ascensionis)

    
58. 🔍 29% Rector potens (In Quadragesima)

    
59. 🔍 29% Verbum supernum prodiens a

    
60. 🔍 29% Rector potens (In Epiphania Domini)

    
61. 🔍 28% Rector potens (In Ascensione)

    
62. 🔍 28% Rector potens (In Festis majoribus)

    
63. 🔍 28% Ecce iam noctis

    
64. 🔍 28% Rector potens (Tempus Nativitatis)