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 T.P.

   
1. 🔍 81% Jam lucis orto sidere (ord. Sund.)

   
2. 🔍 81% Jam lucis orto sidere (In Dom. et Minor. Festis)

   
3. 🔍 80% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

   
4. 🔍 79% Jam lucis orto sidere (In tempore Quadragesimae)

   
5. 🔍 78% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

   
6. 🔍 77% Jam lucis orto sidere (Septem Dolorum)

   
7. 🔍 76% Jam lucis orto sidere (In Adventu)

   
8. 🔍 73% Iam lucis orto sidere

   
9. 🔍 72% Jam lucis orto sidere (In Pentecoste)

   
10. 🔍 71% Jam lucis orto sidere (In tempore Passionis)

    
11. 🔍 70% Iam lucis orto sidere (solemnitatibus)

    
12. 🔍 69% Jam lucis orto sidere (Tempore Epiphaniae)

    
13. 🔍 68% Jam lucis orto sidere (In tempore Paschali)

    
14. 🔍 68% Jam lucis orto sidere (In Tempore Paschali)

    
15. 🔍 68% Jam lucis orto sidere (In Tempore Ascensionis)

    
16. 🔍 67% Jam lucis orto sidere (In Epiphania Domini)

    
17. 🔍 66% Jam lucis orto sidere (In Pentecoste)

    
18. 🔍 66% Jam lucis orto sidere (In Tempore Passionis)

    
19. 🔍 66% Jam lucis orto sidere (In Tempore Paschali)

    
20. 🔍 64% Jam lucis orto sidere (Tempore Adventus)

    
21. 🔍 64% Jam lucis orto sidere (In Major. Festis)

    
22. 🔍 64% Jam lucis orto sidere (Solemn feasts)

    
23. 🔍 62% Jam lucis orto sidere (Tempore Nativitatis)

    
24. 🔍 61% Jam lucis orto sidere (Dominicis per Annum)

    
25. 🔍 61% Jam lucis orto sidere (Festis Majoribus)

    
26. 🔍 59% Jam lucis orto sidere (In Festo Pentecostes)

    
27. 🔍 59% Jam lucis orto sidere (in Nativitate Domini)

    
28. 🔍 58% Jam lucis orto sidere (In Festo Corporis Christi)

    
29. 🔍 58% Jam lucis orto sidere (In Quadragesima)

    
30. 🔍 58% Jam lucis orto sidere (Festis Minoribus per annum)

    
31. 🔍 57% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
32. 🔍 54% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
33. 🔍 54% Jam lucis orto sidere (Solemnitatibus)

    
34. 🔍 53% Jam lucis orto sidere (In Ascensione)

    
35. 🔍 51% Iam lucis orto sidere

    
36. 🔍 49% Jam lucis orto sidere (In Ascensione)

    
37. 🔍 49% Jam lucis orto sidere (In Transfiguratione)

    
38. 🔍 45% Jam lucis orto sidere (In festis BMV)

    
39. 🔍 41% Splendor paternae gloriae

    
40. 🔍 39% Jam lucis orto sidere

    
41. 🔍 39% Jam lucis orto sidere

    
42. 🔍 39% Splendor paternae

    
43. 🔍 38% Splendor paternae gloriae (in Aestate)

    
44. 🔍 38% Jam lucis orto sidere

    
45. 🔍 38% Aeterna caeli gloria

    
46. 🔍 37% Aeterna caeli gloria (in Aestate)

    
47. 🔍 37% Ales diei nuntius

    
48. 🔍 37% Fulgentis auctor aetheris

    
49. 🔍 37% Aeterna caeli gloria (aestivalis)

    
50. 🔍 37% Aeterne lucis conditor

    
51. 🔍 35% Jam Christus astra ascenderat

    
52. 🔍 35% Splendor paternae gloriae (in Hieme)

    
53. 🔍 35% Auctor beate saeculi

    
54. 🔍 35% Ut Antonini gloriam

    
55. 🔍 35% Exsultet jam Angelica

    
56. 🔍 34% Lux ecce surgit (in Aestate)

    
57. 🔍 34% Lucis Largitor

    
58. 🔍 34% Cor arca legem cóntinens

    
59. 🔍 34% Praefatio ferialis de nuptiis

    
60. 🔍 34% Certum tenentes ordinem (A Sollemnitate Epiphaniae)

    
61. 🔍 34% Ales diei nuntius (aestivalis)

    
62. 🔍 33% En ut superba

    
63. 🔍 33% Cor arca legem continens

    
64. 🔍 33% Audi benigne Conditor