Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
['GD/G/ BG/B/ dB/d/ gB d^c=cA', 'B d^c=cA edBG d^c=cA edBD GD/G/ BG/B/']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:G
"_f" D |"_2 sharps in MS" GD/G/ BG/B/ | dB/d/ gB | d^c=cA | edBD | GD/G/ BG/B/ | dB/d/ gB | 
 d^c=cA | G3 :: B | d^c=cA | edBG | d^c=cA | edBD | GD/G/ BG/B/ | dB/d/ gd | dcAF | G2 g2 :|  