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 (In Tempore Passionis)

   
1. 🔍 88% Rector potens verax Deus (In tempore Passionis)

   
2. 🔍 83% Rector potens (in Festo Septem Dolorum BMV)

   
3. 🔍 80% Rector potens (In Adventu)

   
4. 🔍 80% Rector potens (In Adventu)

   
5. 🔍 74% Rector potens (in Feriis per Annum)

   
6. 🔍 74% Rector potens (In Festis Majoribus)

   
7. 🔍 72% Rector potens verax Deus (Septem Dolorum)

   
8. 🔍 72% Rector potens (In Dominicis per Annum)

   
9. 🔍 70% Rector potens verax Deus (In Quadragesima)

   
10. 🔍 70% Rector Potens

    
11. 🔍 68% Rector potens verax Deus (In Festis)

    
12. 🔍 67% Rector potens (In Quadragesima)

    
13. 🔍 66% Rector potens (Tempus Nativitatis)

    
14. 🔍 66% Rerum Deus (In Tempore Passionis)

    
15. 🔍 66% Rector potens (In Tempore Paschali)

    
16. 🔍 66% Rector potens(In Festis Majoribus)

    
17. 🔍 64% Rector Potens (In Feriis per annum et Festis Simplicibus)

    
18. 🔍 63% Nunc Sancte nobis (In Tempore Passionis)

    
19. 🔍 63% Rector potens (In Dominicis per Annum)

    
20. 🔍 62% Rector potens (in Solemnitatibus)

    
21. 🔍 62% Rector Potens (In Nativitate Domini)

    
22. 🔍 61% Rector potens (In Tempore Paschali)

    
23. 🔍 61% Rector potens (In Epiphania Domini)

    
24. 🔍 61% Rector potens verax Deus (in Dom. et Minor. Festis)

    
25. 🔍 61% Rector potens (In Tempore Ascensionis)

    
26. 🔍 61% Rector potens verax Deus (In Fer. et Fest. Simpl.)

    
27. 🔍 61% Rector potens (dom.)

    
28. 🔍 60% Rector potens (In Festis Minoribus)

    
29. 🔍 60% Rector potens (In Adventu)

    
30. 🔍 60% Rector potens (In Festis majoribus)

    
31. 🔍 59% Rector potens (In Pentecoste)

    
32. 🔍 59% Rector potens verax Deus (In Major. Festis)

    
33. 🔍 59% Rector potens (soll.)

    
34. 🔍 59% Jam lucis orto sidere (In Tempore Passionis)

    
35. 🔍 59% Te lucis ante terminum (In tempore Passionis)

    
36. 🔍 57% Rerum Deus tenax vigor (In tempore Passionis)

    
37. 🔍 57% Rector potens (In Festo Pentecostes)

    
38. 🔍 55% Rector potens verax deus (in memoriis)

    
39. 🔍 55% Rector potens (In Festo S. Cordis Jesu)

    
40. 🔍 55% Rector potens (In Festis BMV)

    
41. 🔍 55% Te lucis ante terminum (Temp. Passionis)

    
42. 🔍 55% Rector potens verax Deus (In Feriis per annum)

    
43. 🔍 54% Nunc Sancte nobis (In Tempore Passionis)

    
44. 🔍 54% Christe caelorum Domine

    
45. 🔍 54% Jam lucis orto sidere (In tempore Passionis)

    
46. 🔍 53% Te lucis ante terminum (Passiontide)

    
47. 🔍 53% Nunc Sancte nobis Spiritus (Temp. Passionis)

    
48. 🔍 52% Rector potens (Adv.)

    
49. 🔍 52% Dei fide

    
50. 🔍 51% Summae Deus clementiae septem

    
51. 🔍 51% Ternis ter horis

    
52. 🔍 51% Rector potens (In Festo Christi Regis)

    
53. 🔍 51% Rector potens (In Festo S. Cordis Jesu)

    
54. 🔍 51% Qua Christus hora sitiit

    
55. 🔍 50% Rector potens verax Deus (In Pentecoste)

    
56. 🔍 49% Rector potens verax Deus (In tempore Epiphaniae)

    
57. 🔍 49% Rerum Deus (in Festo Septem Dolorum BMV)

    
58. 🔍 49% Summae Deus clemtiae

    
59. 🔍 48% Rerum Deus (In Adventu)

    
60. 🔍 48% Rector potens (In Festo Corporis Christi)

    
61. 🔍 48% Rector potens verax Deus (In tempore Paschali)

    
62. 🔍 47% Rector potens (In Ascensione)

    
63. 🔍 47% Rector potens verax Deus (In tempore Nativitatis)

    
64. 🔍 47% Nunc Sancte nobis (In Festo Septem Dolorum BMV)