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 (In Tempore Ascensionis)

   
1. 🔍 94% Jam lucis orto sidere (In Tempore Paschali)

   
2. 🔍 75% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

   
3. 🔍 68% Jam lucis orto sidere (In Epiphania Domini)

   
4. 🔍 68% Jam Lucis Orto T.P.

   
5. 🔍 67% Jam lucis orto sidere (ord. Sund.)

   
6. 🔍 67% Jam lucis orto sidere (In Dom. et Minor. Festis)

   
7. 🔍 67% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

   
8. 🔍 64% Jam lucis orto sidere (In Festo Corporis Christi)

   
9. 🔍 64% Jam lucis orto sidere (In Adventu)

   
10. 🔍 64% Jam lucis orto sidere (in Nativitate Domini)

    
11. 🔍 63% Jam lucis orto sidere (Septem Dolorum)

    
12. 🔍 63% Jam lucis orto sidere (Tempore Epiphaniae)

    
13. 🔍 62% Jam lucis orto sidere (In tempore Quadragesimae)

    
14. 🔍 62% Jam lucis orto sidere (In Tempore Passionis)

    
15. 🔍 62% Jam lucis orto sidere (Dominicis per Annum)

    
16. 🔍 60% Jam lucis orto sidere (Festis Minoribus per annum)

    
17. 🔍 59% Jam lucis orto sidere (In tempore Paschali)

    
18. 🔍 59% Jam lucis orto sidere (In tempore Passionis)

    
19. 🔍 59% Jam lucis orto sidere (In Tempore Paschali)

    
20. 🔍 58% Jam lucis orto sidere (Festis Majoribus)

    
21. 🔍 58% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
22. 🔍 58% Jam lucis orto sidere (In Festo Pentecostes)

    
23. 🔍 58% Jam lucis orto sidere (In Pentecoste)

    
24. 🔍 55% Jam lucis orto sidere (In Quadragesima)

    
25. 🔍 55% Jam lucis orto sidere (Tempore Nativitatis)

    
26. 🔍 55% Rerum Deus (In Tempore Ascensionis)

    
27. 🔍 54% Te lucis ante terminum (In Tempore Ascensionis)

    
28. 🔍 53% Jam lucis orto sidere (In Pentecoste)

    
29. 🔍 53% Iam lucis orto sidere (solemnitatibus)

    
30. 🔍 52% Iam lucis orto sidere

    
31. 🔍 52% Rector potens (In Tempore Ascensionis)

    
32. 🔍 52% Jam lucis orto sidere (In festis BMV)

    
33. 🔍 50% Nunc Sancte nobis (In Tempore Ascensionis)

    
34. 🔍 46% Jam lucis orto sidere (In Major. Festis)

    
35. 🔍 46% Jam lucis orto sidere (Solemnitatibus)

    
36. 🔍 46% Jam lucis orto sidere (Tempore Adventus)

    
37. 🔍 46% Jam lucis orto sidere (Solemn feasts)

    
38. 🔍 43% Jam lucis orto sidere (In Ascensione)

    
39. 🔍 42% Iam lucis orto sidere

    
40. 🔍 42% Rector potens (In Tempore Paschali)

    
41. 🔍 42% Jam lucis orto sidere (In Ascensione)

    
42. 🔍 42% Aurora surgit lucida

    
43. 🔍 42% Jam lucis orto sidere (In Transfiguratione)

    
44. 🔍 41% Jam lucis orto sidere (In Festo S. Cordis Jesu)

    
45. 🔍 41% Nunc Sancte nobis (In Tempore Paschali)

    
46. 🔍 40% Jam lucis orto sidere

    
47. 🔍 40% Jam lucis orto sidere

    
48. 🔍 40% Jam lucis orto sidere

    
49. 🔍 32% Exsultet iam angelica

    
50. 🔍 32% Praefatio ferialis de Ecclesiae Dedicatione

    
51. 🔍 32% Praefatio ferialis de nuptiis

    
52. 🔍 29% Jam lucis orto (In Feriis per Annum)

    
53. 🔍 29% Praefatio ferialis de sancto Joanne Baptista

    
54. 🔍 29% Splendor paternae gloriae (in Hieme)

    
55. 🔍 28% Deus, qui potestáte

    
56. 🔍 28% Creator alme siderum

    
57. 🔍 28% Creator alme siderum

    
58. 🔍 28% Rerum Deus (In Tempore Paschali)

    
59. 🔍 28% Te lucis ante terminum (In Nativitate Domini)

    
60. 🔍 28% Passio DNJC secundum Marcum

    
61. 🔍 28% Te lucis ante terminum (In Festo Corporis Christi)

    
62. 🔍 28% Jam Christus astra ascenderat

    
63. 🔍 28% Praefatio solemnis de Ecclesiae Dedicatione

    
64. 🔍 28% Adoro te devote