Develop music that conforms to the outlined musical structure and the given theme.
X:1
L:1/8
M:12/8
K:D
['B2 A', 'BdA BAB d3'  
X:1
L:1/8
M:12/8
K:D
|: A2 A A2 A ABA F2 E | DFA{d} B2 A{d} B2 A F2 A | dcd a2 =g f2 d{d} B2 A |1 BdA BAB d3 dcB :|2 
 BdA BAB d3 d2 A |: dcd a2 =g f2 d{d} B2 A | BdA BdA{d} B2 A F2 A | dcd a2 =g f2 d{d} B2 A |1 
 BdA BAB d3 d2 A :|2 BdA BAB d3 dcB ||  