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% Regina caeli - cantus alter

   
1. 🔍 59% Regina caeli laetare

   
2. 🔍 59% Regina caeli

   
3. 🔍 58% Regina caeli

   
4. 🔍 56% Regina caeli (Officium Parvum)

   
5. 🔍 48% Regina caeli (Off. BMV in Sab. T.P.)

   
6. 🔍 47% Regina caeli

   
7. 🔍 44% Alleluia Lapis revolutus

   
8. 🔍 44% Alleluia (mode 8)

   
9. 🔍 43% Alleluia (T.P. ad Laudes)

   
10. 🔍 43% Alleluia Omnes Gentes

    
11. 🔍 43% Alleluia (T.P. in I nocturno)

    
12. 🔍 43% Regina cæli

    
13. 🔍 42% Omnes Gentes

    
14. 🔍 42% Alleluia (T.P. in II nocturno)

    
15. 🔍 42% Regina cæli

    
16. 🔍 41% Alleluia (T.P. in III nocturno)

    
17. 🔍 41% Regina caeli laetare

    
18. 🔍 41% Alleluia (T.P. ad Vesperas)

    
19. 🔍 41% Regina caeli

    
20. 🔍 40% Regina caeli (simple tone)

    
21. 🔍 40% Alleluia (mode 8)

    
22. 🔍 40% Alleluia (T.P. ad Nonam)

    
23. 🔍 40% Alleluia

    
24. 🔍 40% Alleluia (T.P. ad Tertiam)

    
25. 🔍 38% Puer natus in Bethlehem

    
26. 🔍 38% Alleluia (T.P. Feria II ad Vesperas)

    
27. 🔍 38% Gustate et videte

    
28. 🔍 38% Alleluia. (Sund. P. T. at Lauds I)

    
29. 🔍 38% Exsurgat Deus

    
30. 🔍 37% Regina caeli (monasticum)

    
31. 🔍 36% Surrexit Dominus vere (Resp. Br.)

    
32. 🔍 36% Regina caeli

    
33. 🔍 36% Alleluia (ant.)

    
34. 🔍 36% Alleluia (ant.)

    
35. 🔍 35% Salus et gloria - mode IV

    
36. 🔍 35% Alleluia (T.P. Invitatorium)

    
37. 🔍 35% Alleluia Dom. Compl. T.P. I

    
38. 🔍 34% Alleluia Fer. II T.P. II

    
39. 🔍 34% Alleluia Fer. III T.P. I

    
40. 🔍 34% Alleluia Fer. VI T.P. I

    
41. 🔍 34% Alleluia (T.P. ad Sextam)

    
42. 🔍 34% Alleluia. (Monday P. T. at Vespers)

    
43. 🔍 34% Alleluia Fer. IV T.P. II

    
44. 🔍 34% Alleluia dulce carmen

    
45. 🔍 34% Alleluia (Feria Secunda ad Nonam T.P.)

    
46. 🔍 34% Alleluia (Feria secunda ad primam)

    
47. 🔍 33% Alleluia Fer. V T.P. I

    
48. 🔍 33% Alleluia Fer. VI T.P. II

    
49. 🔍 33% Regina caeli laetare

    
50. 🔍 33% Alleluia Fer. IV T.P. I

    
51. 🔍 33% Alleluia Fer. V T.P. II

    
52. 🔍 33% Alleluia (T. P. ad Tertiam)

    
53. 🔍 33% Alleluia Fer. II T.P. I

    
54. 🔍 33% Crucifixus

    
55. 🔍 33% Alleluia

    
56. 🔍 33% Venite omnes adoremus

    
57. 🔍 32% Spiritus qui a Patre

    
58. 🔍 32% Exsultemus et laetemur

    
59. 🔍 32% Alleluia (Sabb. T.P.) (II)

    
60. 🔍 32% Alleluia (T. P. ad Primam)

    
61. 🔍 32% Alleluia (T. P. Vesp. Fer. II.)

    
62. 🔍 32% Alleluia Dominus regnavit

    
63. 🔍 32% Alleluia (Sund. T.P. at Terce)

    
64. 🔍 32% Alleluia (T. P. Laud. Fer. III.)