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
['e2 ef']  
X:1
L:1/8
M:4/4
K:D
"D" D2 DE FG AF |"G" GA Bd"A" cA eA |"D" fd AF"G" GA Bd |"A" cd Bc AG FE |"D" D2 DE FG AF | 
"G" GA Bd"A" cA eA |"D" fd AF"G" GA Bd |1"A" cA Bc"D" d4 :|2"A" cA Bc"D" d2 cd |:"A" e2 ef ed cd | 
"G" e2 ef ge ag |"A" e2 ef ed cB | AB AB cB cd | e2 ef ed cd |"G" e2 ef ge ag |"A" e2 ef ed cB |1 
 A2"G" BG"A" A2 cd :|2"G" AB GA"A" FG EF ||  