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
['', 'FAAB AFED FAAB A2 de fBBA', 'fddf efga beef (3gfe be geea fgaf']  
X:1
L:1/8
M:4/4
K:D
 DE |: FAAB AFED | FAAB A2 de | fBBA Bcde | fdgf edBA | FAAB AFED | FAAB A2 de | fBBA BcdB |1 
 AFEF D2 DE :|2 AFEF D3 z |: fgag fdde | fdad fddf | efga beef | (3gfe be geea | fgaf b2 af | 
 defd efde | fBBA BcdB | AFEF D3 z :|  