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 (in Solemnitatibus)

   
1. 🔍 94% Rector potens (soll.)

   
2. 🔍 82% Rector potens (In Festis majoribus)

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

   
4. 🔍 76% Rerum Deus (in Solemnitatibus)

   
5. 🔍 72% Jam lucis orto sidere (Solemnitatibus)

   
6. 🔍 72% Rerum Deus (In Solemnitatibus)

   
7. 🔍 72% Rerum, Deus, tenax

   
8. 🔍 71% Nunc Sancte nobis (In Solemnitatibus)

   
9. 🔍 66% Rector potens(Solemnitatibus)

   
10. 🔍 66% Christo profusum sanguinem

    
11. 🔍 66% Rector Potens

    
12. 🔍 62% Rector potens (In Tempore Passionis)

    
13. 🔍 62% Rector potens (in Feriis per Annum)

    
14. 🔍 61% Rerum Deus (In Solemnitatibus)

    
15. 🔍 61% Rector potens (In Festis Majoribus)

    
16. 🔍 59% Jam lucis orto sidere (In Major. Festis)

    
17. 🔍 59% Rector potens (In Dominicis per Annum)

    
18. 🔍 58% Jam lucis orto sidere (Solemn feasts)

    
19. 🔍 58% Nunc Sancte nobis Spiritus (In Major. Festis)

    
20. 🔍 58% Rector potens (In Epiphania Domini)

    
21. 🔍 58% Rector potens verax Deus (In Quadragesima)

    
22. 🔍 58% Rerum Deus tenax vigor (In Major. Festis)

    
23. 🔍 56% Rector potens (In Adventu)

    
24. 🔍 56% Rector potens (In Adventu)

    
25. 🔍 55% Rector potens (In Tempore Paschali)

    
26. 🔍 55% Rector potens verax Deus (In Festis)

    
27. 🔍 55% Rector potens verax Deus (In tempore Passionis)

    
28. 🔍 54% Rector potens (Tempus Nativitatis)

    
29. 🔍 54% Rector potens(In Festis Majoribus)

    
30. 🔍 53% Rector potens (in Festo Septem Dolorum BMV)

    
31. 🔍 53% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
32. 🔍 53% Rector potens (In Quadragesima)

    
33. 🔍 52% Rector potens (In Festis Minoribus)

    
34. 🔍 51% Rector Potens (In Nativitate Domini)

    
35. 🔍 51% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
36. 🔍 50% Rector potens (In Dominicis per Annum)

    
37. 🔍 50% Rector potens (In Adventu)

    
38. 🔍 49% Rector potens (In Pentecoste)

    
39. 🔍 48% Rector potens (dom.)

    
40. 🔍 48% Rector potens (In Tempore Paschali)

    
41. 🔍 48% Rector potens (In Tempore Ascensionis)

    
42. 🔍 48% Rector potens verax Deus (in Dom. et Minor. Festis)

    
43. 🔍 48% Rector potens verax deus (in memoriis)

    
44. 🔍 48% Rector potens (Adv.)

    
45. 🔍 47% Rector potens (In Festo Christi Regis)

    
46. 🔍 47% Rector potens (In Festo S. Cordis Jesu)

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

    
48. 🔍 46% Rector potens verax Deus (In Feriis per annum)

    
49. 🔍 45% Rector potens (In Festo Pentecostes)

    
50. 🔍 45% Rector potens verax Deus (Septem Dolorum)

    
51. 🔍 44% Rector potens verax Deus (In tempore Epiphaniae)

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

    
53. 🔍 40% Lucis Creator optime (in Aestate)

    
54. 🔍 40% Rector potens (In Ascensione)

    
55. 🔍 40% Lucis creator

    
56. 🔍 40% Lucis Creator optime

    
57. 🔍 40% Rector potens (In Festo Corporis Christi)

    
58. 🔍 39% Rector potens verax Deus (In tempore Paschali)

    
59. 🔍 39% O salutaris Hostia II

    
60. 🔍 38% Rerum Deus tenax vigor

    
61. 🔍 38% Rerum Deus tenax vigor

    
62. 🔍 38% Lucis creator

    
63. 🔍 38% Rector potens (Dom.)

    
64. 🔍 38% Rector potens verax Deus (In tempore Nativitatis)