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 (In Festo Pentecostes)

   
1. 🔍 83% Jam lucis orto sidere (In Pentecoste)

   
2. 🔍 83% Jam lucis orto sidere (In Pentecoste)

   
3. 🔍 80% Jam lucis orto sidere (In Quadragesima)

   
4. 🔍 72% Jam Christus astra

   
5. 🔍 70% Rerum Deus (In Festo Pentecostes)

   
6. 🔍 69% Te lucis ante terminum (In Festo Pentecostes)

   
7. 🔍 68% Aeterna imago Altissimi

   
8. 🔍 67% Rector potens (In Festo Pentecostes)

   
9. 🔍 65% Jam lucis orto sidere (In Festo S. Cordis Jesu)

   
10. 🔍 65% Iam lucis orto sidere (solemnitatibus)

    
11. 🔍 59% Jam Lucis Orto T.P.

    
12. 🔍 59% Iam Christus

    
13. 🔍 58% Jam lucis orto sidere (Feriis et Officiis Simplicibus per Annum)

    
14. 🔍 58% Jam lucis orto sidere (In Tempore Paschali)

    
15. 🔍 58% Jam lucis orto sidere (In Tempore Ascensionis)

    
16. 🔍 58% Vexilla Christus inclyta

    
17. 🔍 57% Jam Christus astra

    
18. 🔍 56% Jam lucis orto sidere (Septem Dolorum)

    
19. 🔍 56% Jam lucis orto sidere (In tempore Quadragesimae)

    
20. 🔍 56% Jam lucis orto sidere (In Tempore Passionis)

    
21. 🔍 54% Jam lucis orto sidere (In Epiphania Domini)

    
22. 🔍 54% Rerum Deus tenax vigor (In Pentecoste)

    
23. 🔍 53% Ex more docti mystico

    
24. 🔍 52% Te lucis ante terminum (In Pentecoste)

    
25. 🔍 52% Jam lucis orto sidere (ord. Sund.)

    
26. 🔍 52% Jam lucis orto sidere (In tempore Passionis)

    
27. 🔍 52% Exsultet caelum (III)

    
28. 🔍 52% Jam lucis orto sidere (In Dom. et Minor. Festis)

    
29. 🔍 52% Rerum deus tenax vigor (In Pentecoste)

    
30. 🔍 52% Jam lucis orto sidere (In Feriis et Fest. Simpl.)

    
31. 🔍 52% Jam lucis orto sidere (Festis Minoribus per annum)

    
32. 🔍 52% Venite servi (Pentecostes)

    
33. 🔍 51% Haec hora (Pentecostes)

    
34. 🔍 51% Te lucis ante terminum (In Festo D. N. J. C. Regis)

    
35. 🔍 51% Rector potens verax Deus (In Pentecoste)

    
36. 🔍 51% Jam lucis orto sidere (In Adventu)

    
37. 🔍 50% Rector potens (In Pentecoste)

    
38. 🔍 50% Dei fide

    
39. 🔍 50% Deus tuorum II Cl.

    
40. 🔍 49% Ad cenam

    
41. 🔍 49% Ex more docti Mystico

    
42. 🔍 49% Nunc Sancte nobis Spiritus (In festo D. N. J. C. Regis)

    
43. 🔍 49% Nunc tempus acceptabile

    
44. 🔍 49% Jam lucis orto sidere (In Festo Corporis Christi)

    
45. 🔍 49% Rerum Deus (In Quadragesima)

    
46. 🔍 48% Jam lucis orto sidere (Dominicis per Annum)

    
47. 🔍 48% Jam lucis orto sidere (in Nativitate Domini)

    
48. 🔍 48% Jam lucis orto sidere (Festis Majoribus)

    
49. 🔍 47% Jam lucis orto sidere (In tempore Paschali)

    
50. 🔍 47% Rector potens (In Quadragesima)

    
51. 🔍 46% Qua Christus hora sitiit

    
52. 🔍 46% Jam lucis orto sidere (Tempore Epiphaniae)

    
53. 🔍 46% Nunc Sancte nobis (In Quadragesima)

    
54. 🔍 46% Jam lucis orto sidere (In Tempore Paschali)

    
55. 🔍 45% Iam lucis orto sidere

    
56. 🔍 45% Jam lucis orto sidere (Tempore Nativitatis)

    
57. 🔍 45% Jam Christus astra

    
58. 🔍 45% Jam Christus astra

    
59. 🔍 44% Jam Christus astra ascenderat

    
60. 🔍 44% Ternis ter horis

    
61. 🔍 43% Beata nobis gaudia

    
62. 🔍 43% Jam lucis orto sidere (In festis BMV)

    
63. 🔍 42% Vexilla Christus

    
64. 🔍 42% Jam lucis orto sidere (Solemnitatibus)