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% Rerum Deus tenax vigor (In Pentecoste)

   
1. 🔍 84% Rerum deus tenax vigor (In Pentecoste)

   
2. 🔍 76% Rerum Deus (In Festo Pentecostes)

   
3. 🔍 64% Rerum Deus tenax vigor (In tempore Paschali)

   
4. 🔍 63% Rerum Deus tenax vigor (In Fer. et Fest. Simpl.)

   
5. 🔍 63% Rerum Deus (In Quadragesima)

   
6. 🔍 62% Rerum Deus tenax vigor (In Quadragesima)

   
7. 🔍 62% Jam lucis orto sidere (In Pentecoste)

   
8. 🔍 62% Te lucis ante terminum (In Pentecoste)

   
9. 🔍 61% Rector potens verax Deus (In Pentecoste)

   
10. 🔍 60% Rerum Deus (In Tempore Paschali)

    
11. 🔍 58% Rerum Deus tenax vigor (In Dom. et Minor. Festis)

    
12. 🔍 58% Rerum Deus tenax vigor (In tempore Passionis)

    
13. 🔍 56% Rerum Deus tenax vigor (Tempore Epiphaniae)

    
14. 🔍 56% Rerum Deus tenax vigor (Septem Dolorum)

    
15. 🔍 56% Jam lucis orto sidere (In Pentecoste)

    
16. 🔍 54% Jam lucis orto sidere (In Festo Pentecostes)

    
17. 🔍 53% Vexilla Christus inclyta

    
18. 🔍 53% Rerum Deus tenax vigor (Tempore Nativitatis)

    
19. 🔍 53% Rerum Deus (In Festo S. Cordis Jesu)

    
20. 🔍 53% Rerum Deus (In Festo Christi Regis)

    
21. 🔍 53% Rerum Deus (In Dominicis per Annum)

    
22. 🔍 53% Jam Christus astra

    
23. 🔍 52% Rerum Deus tenax vigor (tempus nativitas)

    
24. 🔍 51% Rerum Deus tenax vigor (In Festis)

    
25. 🔍 51% Rerum Deus (In Adventu)

    
26. 🔍 51% Rerum Deus (In Adventu)

    
27. 🔍 51% Te lucis ante terminum (In Festo Pentecostes)

    
28. 🔍 51% Rector potens (In Pentecoste)

    
29. 🔍 50% Rerum Deus (In Feriis per Annum)

    
30. 🔍 50% Aeterna imago Altissimi

    
31. 🔍 50% Rerum Deus tenax vigor (In Major. Festis)

    
32. 🔍 50% Rerum Deus tenax vigor (in memoriis)

    
33. 🔍 50% Rerum Deus tenax vigor (In festis BMV)

    
34. 🔍 50% Rector potens (In Festo Pentecostes)

    
35. 🔍 50% Rerum Deus tenax vigor

    
36. 🔍 50% Rerum Deus tenax vigor

    
37. 🔍 49% Rerum Deus (In Tempore Paschali)

    
38. 🔍 49% Rerum Deus tenax vigor (In Feriis per annum)

    
39. 🔍 49% Te lucis ante terminum (In Festo D. N. J. C. Regis)

    
40. 🔍 49% Rerum Deus (In Nativitate Domini)

    
41. 🔍 48% Rerum Deus (In Epiphania Domini)

    
42. 🔍 48% Nunc Sancte nobis Spiritus (In festo D. N. J. C. Regis)

    
43. 🔍 47% Rerum Deus (In Solemnitatibus)

    
44. 🔍 47% Rerum Deus (In Tempore Ascensionis)

    
45. 🔍 47% Rerum Deus tenax (dom.)

    
46. 🔍 46% Rerum Deus tenax vigor (In Ascensione)

    
47. 🔍 46% Rerum Deus (In Festis BMV)

    
48. 🔍 46% Ad cenam

    
49. 🔍 46% Rerum Deus tenax vigor (In Transfiguratione)

    
50. 🔍 45% Rerum Deus (In Festis Majoribus)

    
51. 🔍 45% Rerum Deus (BVM)

    
52. 🔍 45% Exsultet caelum (III)

    
53. 🔍 45% Rerum Deus tenax (Adv.)

    
54. 🔍 45% Rerum Deus (In Dominicis per Annum)

    
55. 🔍 45% Rerum Deus (In Tempore Passionis)

    
56. 🔍 44% Rerum Deus (In Festis Minoribus)

    
57. 🔍 44% Jam Christus astra

    
58. 🔍 43% Rerum, Deus, tenax

    
59. 🔍 43% Rerum Deus Fer.

    
60. 🔍 43% Rerum Deus (in Festo Septem Dolorum BMV)

    
61. 🔍 43% Deus tuorum II Cl.

    
62. 🔍 43% Jam lucis orto sidere (In Quadragesima)

    
63. 🔍 43% Rerum Deus Fer.

    
64. 🔍 42% Veni Creator Spiritus