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
['FADA FADA FAdc BABc dBAF E2 fe', 'f3 a']  
X:1
L:1/8
M:4/4
K:D
|: FADA FADA | FAdc BABc | dBAF E2 fe | dBAB d3 A | FADA FADA | FAdc BABc | dBAF E2 fe | 
 dBAB d3 e :: f3 a fede | fedB ABde | f3 a fede | faaf e2 de | f3 a fede | fedB ABde | f3 a fedB | 
 egfe d3 B :|  