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
['', 'ag fa df Ad FA DF Ad', '(3fgf (3efe (3ded (3cdc (3BcB', 'ag (3fgf (3efe (3ded (3cdc (3BcB (3ABA']  
X:1
L:1/8
M:4/4
K:D
 ag |: fa df Ad FA | DF Ad f2 ef | gb eg ce AF | GA BG E2 ag | fa df Ad FA | DF Ad f2 ef | 
 gf ed cA Bc |1 d2 f2 d2 ag :|2 d2 f2 d2 D2 |: GF GA Bc de | fg fe dc dB | A2 f2 fe f2 | 
 G2 e2 ed e2 | GF GA Bc de | fg fe dc dB | Af ed cA Bc |1 d2 f2 d2 D2 :|2 d2 f2 d2 ag |: 
 (3fgf (3efe (3ded (3cdc | (3BcB (3ABA G2 ba | (3gag (3fgf (3efe (3ded | (3cdc (3BcB A2 ag | 
 (3fgf (3efe (3ded (3cdc | (3BcB (3ABA (3GAG (3FGF | Ef ed cA Bc | d2 f2 d2 ag :|  