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% Jam lucis orto sidere

   
1. 🔍 91% Jam lucis orto sidere

   
2. 🔍 83% Jam lucis orto sidere

   
3. 🔍 57% Jam lucis orto (In Feriis per Annum)

   
4. 🔍 52% Jam lucis orto (In Festis et Officiis iij. Lectionum, in Feriis T. P.)

   
5. 🔍 52% Jam lucis orto (In Festis MM. min., Dominicis...)

   
6. 🔍 46% Jam lucis orto sidere (In Dom. et Minor. Festis)

   
7. 🔍 46% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

   
8. 🔍 45% Jam lucis orto sidere (ord. Sund.)

   
9. 🔍 44% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

   
10. 🔍 43% Jam lucis orto sidere (Tempore Epiphaniae)

    
11. 🔍 42% Jam lucis orto sidere (In Adventu)

    
12. 🔍 40% Jam lucis orto sidere (In tempore Quadragesimae)

    
13. 🔍 40% Jam lucis orto sidere (In Tempore Ascensionis)

    
14. 🔍 40% Jam lucis orto sidere (Septem Dolorum)

    
15. 🔍 39% Jam lucis orto sidere (In Epiphania Domini)

    
16. 🔍 39% Jam lucis orto sidere (In tempore Paschali)

    
17. 🔍 38% Jam lucis orto sidere (In Tempore Paschali)

    
18. 🔍 38% Jam Lucis Orto T.P.

    
19. 🔍 38% Jam lucis orto sidere (In Tempore Paschali)

    
20. 🔍 36% Jam lucis orto (Festis Sermonis, et MM. maj.))

    
21. 🔍 36% Jam lucis orto sidere (In tempore Passionis)

    
22. 🔍 35% Jam lucis orto sidere (Tempore Nativitatis)

    
23. 🔍 35% Jam lucis orto sidere (In Pentecoste)

    
24. 🔍 35% Jam lucis orto sidere (Dominicis per Annum)

    
25. 🔍 35% Jam lucis orto sidere (in Nativitate Domini)

    
26. 🔍 35% Jam lucis orto sidere (In Pentecoste)

    
27. 🔍 34% Jam lucis orto sidere (In Festo Corporis Christi)

    
28. 🔍 33% Jam lucis orto sidere (In Tempore Passionis)

    
29. 🔍 32% Jam lucis orto sidere (Festis Minoribus per annum)

    
30. 🔍 32% Jam lucis orto sidere (Festis Majoribus)

    
31. 🔍 32% Jam lucis orto sidere (In Quadragesima)

    
32. 🔍 32% Jam lucis orto sidere (In Major. Festis)

    
33. 🔍 31% Jam lucis orto sidere (Solemn feasts)

    
34. 🔍 31% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
35. 🔍 31% Iam lucis orto sidere

    
36. 🔍 31% Jam lucis orto sidere (In Festo Pentecostes)

    
37. 🔍 31% Iam lucis orto sidere (solemnitatibus)

    
38. 🔍 30% Ecce jam

    
39. 🔍 29% Jam lucis orto sidere (Tempore Adventus)

    
40. 🔍 29% Ecce jam

    
41. 🔍 28% Jam lucis orto sidere (In Ascensione)

    
42. 🔍 28% Jam lucis orto sidere (In Ascensione)

    
43. 🔍 28% Jam lucis orto sidere (In Transfiguratione)

    
44. 🔍 26% Jam lucis orto sidere (Solemnitatibus)

    
45. 🔍 26% Jam lucis orto sidere (In festis BMV)

    
46. 🔍 25% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
47. 🔍 25% Ecce jam noctis tenuatur

    
48. 🔍 25% Rerum Deus Fer.

    
49. 🔍 25% Ecce jam venit

    
50. 🔍 24% Jam Christe

    
51. 🔍 23% Iam lucis orto sidere

    
52. 🔍 23% Ecce jam noctis tenuatur (Alter tonus)

    
53. 🔍 22% Jam sol recedit

    
54. 🔍 22% Intercede

    
55. 🔍 22% Jam sol recedit igneus

    
56. 🔍 22% Rerum Deus Fer.

    
57. 🔍 21% Jam sol recedit

    
58. 🔍 20% Ut cognoscamus

    
59. 🔍 20% Salve turba duodena

    
60. 🔍 20% Jam hiems

    
61. 🔍 20% Jam sol recedit igneus (Blessed Trinity)

    
62. 🔍 20% Ecce jam noctis

    
63. 🔍 20% Tu Domine

    
64. 🔍 20% Nocte jam pulsa