All Possible Major Key Pairings

Here’s an exhaustive list of major key pairings.

This is very handy for practicing modulations.

1. C, D♭
2. C, D
3. C, E♭
4. C, E
5. C, F
6. C, G♭
7. C, G
8. C, A♭
9. C, A
10. C, B♭
11. C, B
12. D♭, D
13. D♭, E♭
14. D♭, E
15. D♭, F
16. D♭, G♭
17. D♭, G
18. D♭, A♭
19. D♭, A
20. D♭, B♭
21. D♭, B
22. D, E♭
23. D, E
24. D, F
25. D, G♭
26. D, G
27. D, A♭
28. D, A
29. D, B♭
30. D, B
31. E♭, E
32. E♭, F
33. E♭, G♭
34. E♭, G
35. E♭, A♭
36. E♭, A
37. E♭, B♭
38. E♭, B
39. E, F
40. E, G♭
41. E, G
42. E, A♭
43. E, A
44. E, B♭
45. E, B
46. F, G♭
47. F, G
48. F, A♭
49. F, A
50. F, B♭
51. F, B
52. G♭, G
53. G♭, A♭
54. G♭, A
55. G♭, B♭
56. G♭, B
57. G, A♭
58. G, A
59. G, B♭
60. G, B
61. A♭, A
62. A♭, B♭
63. A♭, B
64. A, B♭
65. A, B
66. B♭, B