Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/16
Q:1/4=100
M:2/4
K:D
['dfed B2B2 A2A2', 'agfa gfeg fedf']  
X:1
L:1/16
Q:1/4=100
M:2/4
K:D
 (3(ABc) | dfed B2B2 | A2A2 d2>d2 | e2e2 f2f2 | efed B2A2 | dfed B2B2 | A2A2 d4 | dcdA Bcde | 
 fdec d2 :: fg | agfa gfeg | fedf ecA2 | d2d2 e2e2 | fedf e2fg | agfa gfeg | fedf e2A2 | 
 dcdA Bcde | fdec d2 :|  