Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/8=320
M:6/8
K:D
['DED DdB AGF FdB AGF AGF', 'fed dAB']  
X:1
L:1/8
Q:1/8=320
M:6/8
K:D
 DED DdB | AGF FdB | AGF AGF | EFE E2 F | DED DdB | AGF FdB | AGF AGF | DED D3 :| fed dAB | 
 efe efg | fed dAB | ded d2 g | fed dAB | efe efg | afd gec | ded d3 :|  