Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
['B AG Fd FG Ad']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: B | AG Fd FG Ad | fd AF E3 B | AG Fd FG Ad | ec Ac d3 B | AG Fd FG Ad | fd AF E3 B | 
 AG Fd FG Ad | ec Ac d3 g | fd fa bg gb | af fa g3 g | fd fa bg gb | ag ec d3 g | fd fa bg gb | 
 af df e3 g | fg af ga bg | ag ec d3 :|  