Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/2=112
M:4/4
K:A
['g |{g} a2 ef (cde)c dfec dBBg', 'cAec dBfd']  
X:1
L:1/8
Q:1/2=112
M:4/4
K:A
 g |{g} a2 ef (cde)c | dfec dBBg | aece fgaf | ecdB{B} A2 A :| d | cAec dBfd | cAec BGEd | 
 cAec dBfd | cABG{B} A2 Ad | cAec dBfd | cAec BGBd | cedf egfa | cABG{B} A2 A |]  