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% Nigra sum

   
1. 🔍 74% Nigra sum

   
2. 🔍 73% Nigra sum sed formosa

   
3. 🔍 71% Nigra sum

   
4. 🔍 58% Nigra sum sed formosa

   
5. 🔍 48% Nigra sum

   
6. 🔍 30% Serve bone

   
7. 🔍 29% Alleluia. (Saturday P. T. at Lauds I)

   
8. 🔍 29% Contritum est

   
9. 🔍 29% Ista est speciosa (Virginum)

   
10. 🔍 28% Vocabis nomen ejus

    
11. 🔍 27% Dixit Jesus

    
12. 🔍 27% In paradisum

    
13. 🔍 27% Serve bone et fidelis

    
14. 🔍 27% Tradiderunt

    
15. 🔍 27% Longe fecisti

    
16. 🔍 26% Hodie beata Virgo

    
17. 🔍 26% Qui me misit

    
18. 🔍 26% Si quis diligit me

    
19. 🔍 26% Si quis diligit me

    
20. 🔍 25% Alleluia. (Saturday P. T. at Lauds II)

    
21. 🔍 25% Surrexit Dominus vere (Resp. Br.)

    
22. 🔍 25% Dabo in Sion

    
23. 🔍 25% In salutari

    
24. 🔍 25% Alleluia. (Monday P. T. at Vespers)

    
25. 🔍 25% Laudabo

    
26. 🔍 25% Alleluia (Tuesday P. T. at Lauds)

    
27. 🔍 25% Alleluia. (Wednesday P. T. at Lauds I)

    
28. 🔍 25% Pater manifestavi

    
29. 🔍 25% Alleluia. (Sund. P. T. at Lauds II)

    
30. 🔍 25% Ego sum qui sum

    
31. 🔍 25% Ecce vicit leo

    
32. 🔍 25% Judæa et Jerusalem

    
33. 🔍 25% Seniores

    
34. 🔍 24% Animam meam

    
35. 🔍 24% Judaea et Jerusalem

    
36. 🔍 24% Sacerdotes Dei

    
37. 🔍 24% Sicut ovis

    
38. 🔍 24% Domine fortitudo

    
39. 🔍 24% Amen, amen dico...plorábitis

    
40. 🔍 24% Oleum effusum

    
41. 🔍 24% Credo VI

    
42. 🔍 24% Sicut dilexit me

    
43. 🔍 24% Cum inducerent

    
44. 🔍 24% Surrexit Dominus et apparuit (Com.)

    
45. 🔍 24% Dabo in Sion

    
46. 🔍 23% Alleluia. (Wednesday P. T. at Lauds II)

    
47. 🔍 23% Ponam in Sion salutem

    
48. 🔍 23% Fidelia omnia

    
49. 🔍 23% Memoriam fecit

    
50. 🔍 23% Triduanas a Domino

    
51. 🔍 23% Dabo in Sion

    
52. 🔍 23% Surrexit Dominus de sepulchro (Resp. Br.)

    
53. 🔍 23% Sinite parvulos

    
54. 🔍 23% Euge serve bone

    
55. 🔍 23% Alleluia (Monday P. T. at Lauds)

    
56. 🔍 23% Fidelis servus et prudens (Resp.)

    
57. 🔍 23% Dominus veniet

    
58. 🔍 23% Alleluia. (Thursday P. T. at Lauds II)

    
59. 🔍 23% Spiritus Sanctus...et virtus

    
60. 🔍 23% Quis es tu

    
61. 🔍 23% Dum esset rex

    
62. 🔍 23% Alleluia. (Friday P. T. at Lauds II)

    
63. 🔍 23% Dixit paterfamilias

    
64. 🔍 23% Lauda Jerusalem