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% Jam lucis orto sidere (Festis Majoribus)

   
1. 🔍 73% Jam lucis orto sidere (Tempore Adventus)

   
2. 🔍 66% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

   
3. 🔍 64% Jam lucis orto sidere (In Tempore Passionis)

   
4. 🔍 61% Jam Lucis Orto T.P.

   
5. 🔍 59% Jam lucis orto sidere (In tempore Quadragesimae)

   
6. 🔍 59% Iam lucis orto sidere

   
7. 🔍 59% Jam lucis orto sidere (Septem Dolorum)

   
8. 🔍 58% Jam lucis orto sidere (ord. Sund.)

   
9. 🔍 58% Jam lucis orto sidere (In Tempore Ascensionis)

   
10. 🔍 58% Jam lucis orto sidere (In Dom. et Minor. Festis)

    
11. 🔍 57% Jam lucis orto sidere (In Tempore Paschali)

    
12. 🔍 57% Jam lucis orto sidere (In Epiphania Domini)

    
13. 🔍 57% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

    
14. 🔍 56% Jam lucis orto sidere (In Major. Festis)

    
15. 🔍 56% Jam lucis orto sidere (Solemn feasts)

    
16. 🔍 55% Jam lucis orto sidere (In tempore Passionis)

    
17. 🔍 55% Jam lucis orto sidere (In Adventu)

    
18. 🔍 55% Jam lucis orto sidere (In Quadragesima)

    
19. 🔍 54% Jam lucis orto sidere (Dominicis per Annum)

    
20. 🔍 52% Jam lucis orto sidere (Festis Minoribus per annum)

    
21. 🔍 50% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
22. 🔍 50% Jam lucis orto sidere (In Pentecoste)

    
23. 🔍 50% Jam lucis orto sidere (in Nativitate Domini)

    
24. 🔍 50% Jam lucis orto sidere (In Festo Corporis Christi)

    
25. 🔍 49% Jam lucis orto sidere (Tempore Epiphaniae)

    
26. 🔍 49% Jam lucis orto sidere (In tempore Paschali)

    
27. 🔍 49% Jam lucis orto sidere (In Tempore Paschali)

    
28. 🔍 49% Jam lucis orto sidere (Solemnitatibus)

    
29. 🔍 48% Rerum Deus (In Festis Majoribus)

    
30. 🔍 48% Jam lucis orto sidere (In Festo Pentecostes)

    
31. 🔍 48% Dicamus laudes (In festis)

    
32. 🔍 48% Ternis horarum (In festis)

    
33. 🔍 47% Iam lucis orto sidere (solemnitatibus)

    
34. 🔍 47% Verbum supernum prodiens a

    
35. 🔍 47% Jam lucis orto sidere (Tempore Nativitatis)

    
36. 🔍 47% Certum tenentes (In festis)

    
37. 🔍 46% Verbum supernum prodiens a

    
38. 🔍 46% Nunc Sancte nobis (in Festis Majoribus)

    
39. 🔍 46% Jam lucis orto sidere (In Pentecoste)

    
40. 🔍 46% Rector potens (In Festis Majoribus)

    
41. 🔍 45% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
42. 🔍 44% Nunc tempus

    
43. 🔍 44% Rerum Deus tenax vigor (In Festis)

    
44. 🔍 44% Rector potens(In Festis Majoribus)

    
45. 🔍 43% Exsultet jam Angelica

    
46. 🔍 43% Rector potens verax Deus (In Festis)

    
47. 🔍 42% Auctor salutis unice

    
48. 🔍 42% Auctor salutis

    
49. 🔍 41% Audi benigne

    
50. 🔍 40% Venite exsultemus IV* (ad lib)

    
51. 🔍 40% Aurora Jam Spargit Polum

    
52. 🔍 40% Tibi Redemptor omnium

    
53. 🔍 39% Jam lucis orto sidere

    
54. 🔍 39% Aeterne Rex altissime

    
55. 🔍 39% Rerum Deus (In Adventu)

    
56. 🔍 38% Te lucis ante terminum (In Tempore Passionis)

    
57. 🔍 38% Qui lacrimatus

    
58. 🔍 37% Exsultet caelum (II)

    
59. 🔍 37% Te lucis ante terminum (In Festo Septem Dolorum BMV)

    
60. 🔍 37% Nunc Sancte nobis (In Adventu)

    
61. 🔍 37% Rector potens (In Adventu)

    
62. 🔍 37% Rector potens (In Adventu)

    
63. 🔍 37% Venite exsultemus E

    
64. 🔍 37% Jam lucis orto sidere (In festis BMV)