Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
M:4/4
K:D
['', '(3ABc d3 c defg a3 b agfe', 'eace dfBf dfBf AdFd AdFA G3 A']  
X:1
L:1/8
M:4/4
K:D
 (3ABc |: d3 c defg | a3 b agfe | B3 c dcdB | A2 AB ADEF | G3 A BABc | dAB/c/d faba | gfed Bdce |1 
 fddc dABc :|2 fddc daag |: fada fadf | eaca eace | dfBf dfBf | AdFd AdFA | G3 A BABc | 
 dAB/c/d faba | gfed Bdce |1 fddc daag :|2 fddc dABc |]  