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 Adventu)

   
1. 🔍 79% Rector Potens (In Feriis per annum et Festis Simplicibus)

   
2. 🔍 77% Rector potens verax Deus (In Fer. et Fest. Simpl.)

   
3. 🔍 75% Rector potens (in Feriis per Annum)

   
4. 🔍 75% Rector potens (In Dominicis per Annum)

   
5. 🔍 74% Rector potens verax Deus (in Dom. et Minor. Festis)

   
6. 🔍 73% Rector potens (In Tempore Paschali)

   
7. 🔍 73% Rector potens verax Deus (In Quadragesima)

   
8. 🔍 69% Rector potens (In Pentecoste)

   
9. 🔍 69% Rector potens (Tempus Nativitatis)

   
10. 🔍 67% Rector potens verax Deus (In tempore Passionis)

    
11. 🔍 67% Rector potens verax Deus (In Festis)

    
12. 🔍 66% Rector potens (In Dominicis per Annum)

    
13. 🔍 65% Rector potens verax Deus (In Feriis per annum)

    
14. 🔍 65% Rector Potens

    
15. 🔍 65% Rector potens (dom.)

    
16. 🔍 64% Rector potens (In Festis Majoribus)

    
17. 🔍 63% Rector potens verax deus (in memoriis)

    
18. 🔍 62% Rector potens(In Festis Majoribus)

    
19. 🔍 62% Rector potens verax Deus (In tempore Epiphaniae)

    
20. 🔍 61% Rector Potens (In Nativitate Domini)

    
21. 🔍 61% Rector potens verax Deus (In tempore Nativitatis)

    
22. 🔍 60% Rector potens (In Tempore Passionis)

    
23. 🔍 59% Rector potens verax Deus (In tempore Paschali)

    
24. 🔍 59% Rector potens (In Festis Minoribus)

    
25. 🔍 59% Rector potens verax Deus (In Major. Festis)

    
26. 🔍 59% Rector potens (In Quadragesima)

    
27. 🔍 58% Rector potens (In Festis majoribus)

    
28. 🔍 57% Rector potens (Adv.)

    
29. 🔍 57% Rector potens verax Deus (In Pentecoste)

    
30. 🔍 57% Rector potens (In Ascensione)

    
31. 🔍 57% Rector potens (In Adventu)

    
32. 🔍 57% Rector potens (In Adventu)

    
33. 🔍 57% Rector potens (In Tempore Paschali)

    
34. 🔍 56% Rector potens (In Tempore Ascensionis)

    
35. 🔍 55% Rector potens (In Epiphania Domini)

    
36. 🔍 54% Rector potens (In Festo Corporis Christi)

    
37. 🔍 54% Rector potens verax Deus (Septem Dolorum)

    
38. 🔍 53% Rerum Deus (In Adventu)

    
39. 🔍 53% Rerum Deus (In Adventu)

    
40. 🔍 52% Rector potens (In Festo S. Cordis Jesu)

    
41. 🔍 51% Rector potens (In Festo Christi Regis)

    
42. 🔍 51% Rector potens (soll.)

    
43. 🔍 51% Rector potens (In Festo S. Cordis Jesu)

    
44. 🔍 50% Rector potens (in Solemnitatibus)

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

    
46. 🔍 48% Nunc Sancte nobis (In Adventu)

    
47. 🔍 48% Rector potens (in Festo Septem Dolorum BMV)

    
48. 🔍 47% Rector potens Fer.

    
49. 🔍 47% Rector potens verax Deus (In Ascensione)

    
50. 🔍 46% Rector potens Fer.

    
51. 🔍 45% Rector potens verax Deus (In Transfiguratione)

    
52. 🔍 44% Nunc Sancte nobis Spiritus (In Adventu)

    
53. 🔍 44% Rector potens (In Festis BMV)

    
54. 🔍 42% Rector potens verax Deus (In festis BMV)

    
55. 🔍 41% Jam lucis orto sidere (In Adventu)

    
56. 🔍 39% Summae Deus (+rhythmic signs)

    
57. 🔍 39% Rector potens (Dom.)

    
58. 🔍 39% Summae Deus clementiae

    
59. 🔍 37% Tu Trinitatis (+rhythmic signs)

    
60. 🔍 37% Tu Trinitatis Unitas

    
61. 🔍 37% Somno refectis

    
62. 🔍 35% Nox atra rerum (+rhythmic signs)

    
63. 🔍 35% Rector potens verax Deus (1)

    
64. 🔍 34% Somno refectis (+rhythmic signs)