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 (In Epiphania)

   
1. 🔍 78% Te lucis ante terminum (In Epiphania Domini)

   
2. 🔍 72% Te lucis ante terminum (Holy Family)

   
3. 🔍 70% Te lucis ante terminum (T. Paschali)

   
4. 🔍 69% Te lucis ante terminum (In Epiphania Domini)

   
5. 🔍 68% Te lucis ante terminum (In Fer. et Fest. Simpl.)

   
6. 🔍 67% Te lucis ante terminum

   
7. 🔍 66% Te lucis ante terminum (In Quadragesima)

   
8. 🔍 64% Te lucis ante terminum (In Nativ. Domini)

   
9. 🔍 64% Te lucis ante terminum (in dominicis per annum)

   
10. 🔍 63% Te lucis ante terminum (In Ascensione)

    
11. 🔍 62% Te lucis ante terminum (In Transfiguratione)

    
12. 🔍 62% Te lucis ante terminum (In Dom. et Minor. Festis per Annum)

    
13. 🔍 62% Te lucis ante terminum (Lent)

    
14. 🔍 61% Te lucis ante terminum (In Festo D. N. J. C. Regis)

    
15. 🔍 60% Te lucis ante terminum (In Tempore Paschali)

    
16. 🔍 59% Te lucis ante terminum (In Adventu)

    
17. 🔍 57% Te lucis ante terminum (In tempore Paschali)

    
18. 🔍 56% Te lucis ante terminum (Temp. Passionis)

    
19. 🔍 56% Te lucis ante terminum (In Pentecoste)

    
20. 🔍 55% Te lucis ante terminum (Septem Dolorum)

    
21. 🔍 55% Te lucis ante terminum (In Nativitate Domini)

    
22. 🔍 54% Te lucis ante terminum (In Festo Corporis Christi)

    
23. 🔍 54% Te lucis ante terminum (In Sacratis. Cord. Jesu)

    
24. 🔍 54% Te lucis ante terminum (In Festo Christi Regis)

    
25. 🔍 53% Te lucis ante terminum (Passiontide)

    
26. 🔍 52% Te lucis ante terminum (In Nativitate Domini)

    
27. 🔍 52% Te lucis ante terminum (In Adventu)

    
28. 🔍 52% Te lucis ante terminum (In tempore Passionis)

    
29. 🔍 52% Te lucis ante terminum (In Major. Festis per Annum)

    
30. 🔍 51% Te lucis ante terminum (In Tempore Ascensionis)

    
31. 🔍 51% Te lucis ante terminum (In Tempore Paschali)

    
32. 🔍 50% Te lucis ante terminum (Pentecost)

    
33. 🔍 50% Te lucis ante terminum (In Solemnitatibus)

    
34. 🔍 48% Te lucis ante terminum (In Feriis per Annum)

    
35. 🔍 48% Rerum Deus tenax vigor (Tempore Epiphaniae)

    
36. 🔍 47% Te lucis ante terminum (In Quadragesima)

    
37. 🔍 47% Te lucis ante terminum (In Adventu)

    
38. 🔍 46% Te lucis ante terminum (In Tempore Ascensionis)

    
39. 🔍 46% Jam lucis orto sidere (Tempore Epiphaniae)

    
40. 🔍 46% Te lucis ante terminum (In Festis et Oct. B. M. V.)

    
41. 🔍 46% Rector potens verax Deus (In tempore Epiphaniae)

    
42. 🔍 46% Te lucis ante terminum (In Dominicis per Annum)

    
43. 🔍 46% Te lucis ante terminum (In Festis Minoribus)

    
44. 🔍 46% Te lucis ante terminum (In Festo Septem Dolorum BMV)

    
45. 🔍 46% Te lucis ante terminum (In Adventu)

    
46. 🔍 45% Nunc Sancte nobis Spiritus (In Epiphania)

    
47. 🔍 45% Te lucis ante terminum

    
48. 🔍 45% Te lucis ante terminum (Sacred Heart)

    
49. 🔍 44% Te lucis ante terminum (fer adv.)

    
50. 🔍 44% Rerum Deus (In Epiphania Domini)

    
51. 🔍 43% Te lucis ante terminum (In Festis et Oct. B. M. V.)

    
52. 🔍 43% Te lucis ante terminum (In Solemnitatibus)

    
53. 🔍 43% Te lucis ante terminum (In Festo S. Cordis Jesu))

    
54. 🔍 42% Te lucis ante terminum

    
55. 🔍 42% Te lucis ante terminum (Dupl.)

    
56. 🔍 42% Te lucis ante terminum (Semid.)

    
57. 🔍 42% Jam lucis orto sidere (In Epiphania Domini)

    
58. 🔍 42% Te lucis ante terminum (In Festo Christi Regis)

    
59. 🔍 41% Rector potens (In Epiphania Domini)

    
60. 🔍 41% Te lucis ante terminum (in Festis I classis)

    
61. 🔍 41% Crudelis Herodes Deum (another chant)

    
62. 🔍 41% Te lucis ante terminum (In Tempore Passionis)

    
63. 🔍 41% Nunc sancte nobis Spiritus (In tempore Epiphaniae)

    
64. 🔍 41% Te lucis ante terminum (Toto dupl.)