Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/16
M:2/4
K:G
['(3(def) g2gg g2g2 g2d2 b4 a2^g2 a2f2', 'd>^cd>e f>ga>f g>fg>a b>fg>e', 'dddd d2g2', 'z2 ffff f2g2 a2d2 b2d2 eeee a2>g2']  
X:1
L:1/16
M:2/4
K:G
 (3(def) | g2gg g2g2 | g2d2 b4 | a2^g2 a2f2 | gfga bagf | e2ee e2e2 | e2B2 b2a2 | gbag fagf | 
 e4 z2 :: d>^cd>e f>ga>f | g>fg>a b>fg>e | d>^cd>e f>ga>f | g>fg>a b>fg>e | d>gB2 c>eg>e | 
 d>gB2 c>eg>e | d>ef>g a>bc'>a | g4 g2 z2 :: dddd d2g2 | e2g2 d2g2 | c2g2 B2g2 | ABcd B2G2 | 
 dddd d2g2 | e2a2 f2d2 | ^c2e2 dcBc | d6 z2 :: ffff f2g2 | a2d2 b2d2 | eeee a2>g2 | 
 f>ge>f d>e^c>d | dddd d2g2 | e2g2 d2g2 | e2a2 gfef | g6 z2 :|  