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% Te lucis ante terminum (Passiontide)

   
1. 🔍 91% Te lucis ante terminum (In tempore Passionis)

   
2. 🔍 90% Te lucis ante terminum (Temp. Passionis)

   
3. 🔍 80% Te lucis ante terminum (Septem Dolorum)

   
4. 🔍 76% Te lucis ante terminum (In Tempore Paschali)

   
5. 🔍 75% Te lucis ante terminum (Lent)

   
6. 🔍 73% Te lucis ante terminum (in dominicis per annum)

   
7. 🔍 73% Te lucis ante terminum (In Quadragesima)

   
8. 🔍 71% Te lucis ante terminum (In Dom. et Minor. Festis per Annum)

   
9. 🔍 70% Te lucis ante terminum (In Fer. et Fest. Simpl.)

   
10. 🔍 67% Te lucis ante terminum (In Epiphania Domini)

    
11. 🔍 64% Te lucis ante terminum (In Solemnitatibus)

    
12. 🔍 63% Te lucis ante terminum (T. Paschali)

    
13. 🔍 63% Te lucis ante terminum (In Adventu)

    
14. 🔍 61% Te lucis ante terminum (In Nativitate Domini)

    
15. 🔍 61% Te lucis ante terminum (Pentecost)

    
16. 🔍 61% Te lucis ante terminum (In Major. Festis per Annum)

    
17. 🔍 61% Te lucis ante terminum (In Adventu)

    
18. 🔍 57% Rerum Deus tenax vigor (In tempore Passionis)

    
19. 🔍 56% Rector potens verax Deus (In tempore Passionis)

    
20. 🔍 54% Te lucis ante terminum (In Pentecoste)

    
21. 🔍 54% Nunc Sancte nobis (In Tempore Passionis)

    
22. 🔍 54% Rerum Deus (In Tempore Passionis)

    
23. 🔍 53% Te lucis ante terminum (In Epiphania)

    
24. 🔍 53% Te lucis ante terminum

    
25. 🔍 53% Rector potens (In Tempore Passionis)

    
26. 🔍 53% Te lucis ante terminum (In Adventu)

    
27. 🔍 53% Te lucis ante terminum (In Tempore Ascensionis)

    
28. 🔍 53% Nunc Sancte nobis Spiritus (Temp. Passionis)

    
29. 🔍 52% Te lucis ante terminum (In tempore Paschali)

    
30. 🔍 52% Te lucis ante terminum (In Ascensione)

    
31. 🔍 51% Te lucis ante terminum (Holy Family)

    
32. 🔍 51% Jam lucis orto sidere (In tempore Passionis)

    
33. 🔍 51% Te lucis ante terminum (In Transfiguratione)

    
34. 🔍 51% Te lucis ante terminum (In Tempore Passionis)

    
35. 🔍 50% Te lucis ante terminum (in Festis I classis)

    
36. 🔍 50% Te lucis ante terminum (In Festo D. N. J. C. Regis)

    
37. 🔍 50% Te lucis ante terminum (In Quadragesima)

    
38. 🔍 50% Te lucis ante terminum (In Festo Christi Regis)

    
39. 🔍 50% Nunc Sancte nobis (In Tempore Passionis)

    
40. 🔍 50% Te lucis ante terminum (In Sacratis. Cord. Jesu)

    
41. 🔍 49% Jam lucis orto sidere (In Tempore Passionis)

    
42. 🔍 48% Te lucis ante terminum (In Festis et Oct. B. M. V.)

    
43. 🔍 48% Te lucis ante terminum (In Nativ. Domini)

    
44. 🔍 48% Te lucis ante terminum (In Festis et Oct. B. M. V.)

    
45. 🔍 48% Te lucis ante terminum (In Dominicis per Annum)

    
46. 🔍 48% Christe caelorum Domine

    
47. 🔍 48% Te lucis ante terminum (In Solemnitatibus)

    
48. 🔍 48% Te lucis ante terminum (In Festo Septem Dolorum BMV)

    
49. 🔍 47% Te lucis ante terminum (In Feriis per Annum)

    
50. 🔍 46% Te lucis ante terminum (In Nativitate Domini)

    
51. 🔍 46% Summae Deus clementiae septem

    
52. 🔍 46% Summae Deus clementiae

    
53. 🔍 46% Ternis ter horis

    
54. 🔍 45% Te lucis ante terminum (Sacred Heart)

    
55. 🔍 45% Te lucis ante terminum (In Epiphania Domini)

    
56. 🔍 45% Summae Deus clemtiae

    
57. 🔍 45% Te lucis ante terminum (In Festo Corporis Christi)

    
58. 🔍 45% Te lucis ante terminum (In Tempore Ascensionis)

    
59. 🔍 45% Dei fide

    
60. 🔍 45% Summae Deus clementiae septem

    
61. 🔍 44% Rerum Deus (in Festo Septem Dolorum BMV)

    
62. 🔍 44% Rerum Deus tenax vigor (Septem Dolorum)

    
63. 🔍 44% Rector potens verax Deus (Septem Dolorum)

    
64. 🔍 44% Rector potens (in Festo Septem Dolorum BMV)