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 Hymn 1, Pg 10

   
1. 🔍 79% Rector Potens Verax Deus Hymn 2, Pg 10

   
2. 🔍 57% Rerum Deus Tenax Vigor

   
3. 🔍 54% Lucis Creator Optime

   
4. 🔍 44% Nunc sancte nobis Spiritus

   
5. 🔍 43% Rector potens verax Deus (3)

   
6. 🔍 42% Rector potens verax Deus (2)

   
7. 🔍 39% Rector potens verax Deus (1)

   
8. 🔍 37% Rector potens verax Deus (4)

   
9. 🔍 30% Rector potens Fer.

   
10. 🔍 29% Rector potens Fer.

    
11. 🔍 29% Rector potens verax Deus (In Feriis per annum)

    
12. 🔍 28% Iubilate Deo universa terra

    
13. 🔍 28% Rector potens (Festis Minoribus)

    
14. 🔍 27% Rector potens (Dom.)

    
15. 🔍 26% Rector potens(Solemnitatibus)

    
16. 🔍 25% Vox Clara Ecce Intonat

    
17. 🔍 25% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
18. 🔍 25% Rector potens (dom.)

    
19. 🔍 25% Rector potens verax Deus (In tempore Epiphaniae)

    
20. 🔍 25% Rector potens verax Deus (In Quadragesima)

    
21. 🔍 24% Rector potens verax Deus (in Dom. et Minor. Festis)

    
22. 🔍 24% Rector potens verax Deus (In tempore Paschali)

    
23. 🔍 22% Rector potens verax Deus (In tempore Nativitatis)

    
24. 🔍 22% Rector potens verax Deus (In tempore Passionis)

    
25. 🔍 22% Rector potens verax Deus (In Pentecoste)

    
26. 🔍 22% Rector potens verax Deus (Septem Dolorum)

    
27. 🔍 21% Rector potens verax Deus (In Festis)

    
28. 🔍 21% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
29. 🔍 20% Rector Potens (In Nativitate Domini)

    
30. 🔍 20% Rector potens (in Feriis per Annum)

    
31. 🔍 20% Rector potens (In Adventu)

    
32. 🔍 20% Rector Potens

    
33. 🔍 20% Rector potens verax Deus (In Major. Festis)

    
34. 🔍 20% Rector potens verax deus (in memoriis)

    
35. 🔍 19% Rector potens (Tempus Nativitatis)

    
36. 🔍 19% Rector potens (In Tempore Paschali)

    
37. 🔍 19% Rector potens (In Tempore Paschali)

    
38. 🔍 19% Rector potens (In Tempore Ascensionis)

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

    
40. 🔍 18% Rector potens (In Dominicis per Annum)

    
41. 🔍 18% Rector potens verax Deus (In Transfiguratione)

    
42. 🔍 18% Rector potens (In Dominicis per Annum)

    
43. 🔍 18% Rector potens (In Epiphania Domini)

    
44. 🔍 17% Rector potens (In Pentecoste)

    
45. 🔍 17% Rector potens(In Festis Majoribus)

    
46. 🔍 17% Rector potens (In Festis Majoribus)

    
47. 🔍 17% Rector potens verax Deus (In festis BMV)

    
48. 🔍 17% Rector potens (In Festo Christi Regis)

    
49. 🔍 17% Rector potens (In Festo Corporis Christi)

    
50. 🔍 16% Rector potens (In Tempore Passionis)

    
51. 🔍 16% Rector potens (In Festis Minoribus)

    
52. 🔍 16% Rector potens (In Festo S. Cordis Jesu)

    
53. 🔍 16% Rector potens (in Festo Septem Dolorum BMV)

    
54. 🔍 16% Rector potens (In Adventu)

    
55. 🔍 16% Rector potens (In Adventu)

    
56. 🔍 15% Rector potens (In Quadragesima)

    
57. 🔍 15% Rector potens (In Festo Pentecostes)

    
58. 🔍 15% Aeterne rerum Conditor

    
59. 🔍 15% Rector potens (In Festis majoribus)

    
60. 🔍 15% Rector potens (In Ascensione)

    
61. 🔍 15% Rector potens (Adv.)

    
62. 🔍 14% Rector potens (In Festis BMV)

    
63. 🔍 14% Potens es Domine

    
64. 🔍 13% Magister scimus quia verax es