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 (soll.)

   
1. 🔍 94% Rector potens (in Solemnitatibus)

   
2. 🔍 83% Rector potens (In Festis majoribus)

   
3. 🔍 82% Rector potens verax Deus (In Major. Festis)

   
4. 🔍 73% Rerum, Deus, tenax

   
5. 🔍 72% Rerum Deus (in Solemnitatibus)

   
6. 🔍 71% Rerum Deus (In Solemnitatibus)

   
7. 🔍 70% Jam lucis orto sidere (Solemnitatibus)

   
8. 🔍 68% Nunc Sancte nobis (In Solemnitatibus)

   
9. 🔍 67% Rector Potens

   
10. 🔍 66% Christo profusum sanguinem

    
11. 🔍 60% Rerum Deus (In Solemnitatibus)

    
12. 🔍 59% Rector potens verax Deus (In Quadragesima)

    
13. 🔍 59% Rector potens (In Tempore Passionis)

    
14. 🔍 59% Jam lucis orto sidere (In Major. Festis)

    
15. 🔍 58% Jam lucis orto sidere (Solemn feasts)

    
16. 🔍 58% Nunc Sancte nobis Spiritus (In Major. Festis)

    
17. 🔍 58% Rerum Deus tenax vigor (In Major. Festis)

    
18. 🔍 58% Rector potens (in Feriis per Annum)

    
19. 🔍 57% Rector potens verax Deus (In Festis)

    
20. 🔍 57% Rector potens(Solemnitatibus)

    
21. 🔍 57% Rector potens (In Tempore Paschali)

    
22. 🔍 56% Rector potens (In Festis Majoribus)

    
23. 🔍 55% Rector potens verax Deus (In tempore Passionis)

    
24. 🔍 55% Rector potens (In Dominicis per Annum)

    
25. 🔍 54% Rector potens (Tempus Nativitatis)

    
26. 🔍 54% Rector potens (In Epiphania Domini)

    
27. 🔍 54% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
28. 🔍 53% Rector potens (In Adventu)

    
29. 🔍 53% Rector potens (In Adventu)

    
30. 🔍 53% Rector potens(In Festis Majoribus)

    
31. 🔍 52% Rector potens (dom.)

    
32. 🔍 52% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
33. 🔍 51% Rector potens (In Dominicis per Annum)

    
34. 🔍 51% Rector potens (In Adventu)

    
35. 🔍 50% Rector potens (Adv.)

    
36. 🔍 50% Rector potens (In Pentecoste)

    
37. 🔍 50% Rector potens verax deus (in memoriis)

    
38. 🔍 50% Rector potens (In Quadragesima)

    
39. 🔍 50% Rector potens (in Festo Septem Dolorum BMV)

    
40. 🔍 49% Rector potens verax Deus (in Dom. et Minor. Festis)

    
41. 🔍 49% Rector potens verax Deus (In Feriis per annum)

    
42. 🔍 49% Rector potens (In Festis Minoribus)

    
43. 🔍 47% Rector Potens (In Nativitate Domini)

    
44. 🔍 47% Rector potens (In Festo S. Cordis Jesu)

    
45. 🔍 45% Rector potens verax Deus (Septem Dolorum)

    
46. 🔍 45% Rector potens (In Tempore Paschali)

    
47. 🔍 44% Rector potens verax Deus (In tempore Epiphaniae)

    
48. 🔍 44% Rector potens (In Tempore Ascensionis)

    
49. 🔍 43% Rector potens (In Festo Christi Regis)

    
50. 🔍 43% Rector potens (In Festo S. Cordis Jesu)

    
51. 🔍 43% Rector potens verax Deus (In Pentecoste)

    
52. 🔍 42% Rector potens (In Festo Pentecostes)

    
53. 🔍 41% Rector potens (In Ascensione)

    
54. 🔍 40% Lucis creator

    
55. 🔍 40% Rector potens verax Deus (In tempore Paschali)

    
56. 🔍 40% Rector potens (Dom.)

    
57. 🔍 39% Lucis Creator optime (in Aestate)

    
58. 🔍 39% Rector potens (In Festo Corporis Christi)

    
59. 🔍 39% Lucis Creator optime

    
60. 🔍 39% Lucis creator

    
61. 🔍 39% Rector potens verax Deus (In tempore Nativitatis)

    
62. 🔍 38% Rerum Deus tenax vigor

    
63. 🔍 38% Rerum Deus tenax vigor

    
64. 🔍 38% O salutaris Hostia II