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 (In Major. Festis)

   
1. 🔍 94% Rector potens (In Festis majoribus)

   
2. 🔍 82% Rector potens (soll.)

   
3. 🔍 82% Rector potens (in Solemnitatibus)

   
4. 🔍 72% Rector potens verax Deus (In Quadragesima)

   
5. 🔍 70% Rector Potens

   
6. 🔍 69% Rector potens verax Deus (In Festis)

   
7. 🔍 68% Rector potens verax Deus (in Dom. et Minor. Festis)

   
8. 🔍 68% Rector potens verax Deus (In Fer. et Fest. Simpl.)

   
9. 🔍 68% Rerum Deus tenax vigor (In Major. Festis)

   
10. 🔍 67% Rector potens (In Tempore Paschali)

    
11. 🔍 66% Nunc Sancte nobis Spiritus (In Major. Festis)

    
12. 🔍 66% Rerum Deus (In Solemnitatibus)

    
13. 🔍 65% Rector potens verax Deus (In tempore Passionis)

    
14. 🔍 64% Rector potens(In Festis Majoribus)

    
15. 🔍 64% Rector potens (In Festis Majoribus)

    
16. 🔍 64% Jam lucis orto sidere (In Major. Festis)

    
17. 🔍 63% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
18. 🔍 63% Rector potens (In Dominicis per Annum)

    
19. 🔍 63% Rector potens (In Adventu)

    
20. 🔍 63% Rector potens (In Adventu)

    
21. 🔍 62% Rerum, Deus, tenax

    
22. 🔍 61% Rerum Deus (in Solemnitatibus)

    
23. 🔍 61% Jam lucis orto sidere (Solemn feasts)

    
24. 🔍 60% Rerum Deus (In Solemnitatibus)

    
25. 🔍 59% Rector potens (In Tempore Passionis)

    
26. 🔍 59% Rector potens (In Adventu)

    
27. 🔍 58% Rector potens (in Feriis per Annum)

    
28. 🔍 57% Rector potens (In Dominicis per Annum)

    
29. 🔍 57% Jam lucis orto sidere (Solemnitatibus)

    
30. 🔍 57% Rector potens (In Pentecoste)

    
31. 🔍 57% Rector potens verax Deus (In tempore Epiphaniae)

    
32. 🔍 57% Rector potens (dom.)

    
33. 🔍 56% Nunc Sancte nobis (In Solemnitatibus)

    
34. 🔍 55% Rector potens verax Deus (Septem Dolorum)

    
35. 🔍 54% Rector potens verax deus (in memoriis)

    
36. 🔍 54% Rector potens verax Deus (In Feriis per annum)

    
37. 🔍 53% Rector potens (In Epiphania Domini)

    
38. 🔍 53% Rector potens (Tempus Nativitatis)

    
39. 🔍 53% Christo profusum sanguinem

    
40. 🔍 53% Rector potens verax Deus (In Pentecoste)

    
41. 🔍 52% Rector potens (In Festo S. Cordis Jesu)

    
42. 🔍 52% Rector potens verax Deus (In tempore Paschali)

    
43. 🔍 51% Rector potens (In Festis Minoribus)

    
44. 🔍 50% Rector potens (In Quadragesima)

    
45. 🔍 50% Rector potens verax Deus (In tempore Nativitatis)

    
46. 🔍 50% Rector potens (in Festo Septem Dolorum BMV)

    
47. 🔍 49% Rector potens (Adv.)

    
48. 🔍 48% Rector potens(Solemnitatibus)

    
49. 🔍 48% Rector Potens (In Nativitate Domini)

    
50. 🔍 45% Te lucis ante terminum (In Major. Festis per Annum)

    
51. 🔍 45% Rector potens (In Ascensione)

    
52. 🔍 45% Rector potens (In Tempore Paschali)

    
53. 🔍 44% Rector potens (In Tempore Ascensionis)

    
54. 🔍 44% Lucis creator

    
55. 🔍 44% Lucis Creator optime (in Aestate)

    
56. 🔍 44% Lucis Creator optime

    
57. 🔍 43% Rector potens verax Deus (2)

    
58. 🔍 43% Rector potens (In Festo Christi Regis)

    
59. 🔍 42% Rector potens (Dom.)

    
60. 🔍 42% Rector potens (In Festo Corporis Christi)

    
61. 🔍 42% Lucis creator

    
62. 🔍 42% Rector potens (In Festo S. Cordis Jesu)

    
63. 🔍 42% Rector potens (In Festo Pentecostes)

    
64. 🔍 42% Te lucis ante terminum (In Solemnitatibus)