Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:4/4
K:D
['D2 FA', 'D2 DC'  
X:1
L:1/8
M:4/4
K:D
|: D2 FA (3DCD FA | (3dcd cd BAGF | E2 GB (3E^DE GB | (3efe (3dcB (3ABA (3GFE | D2 FA D2 FA | 
 (3ded cd BAGF | GFGA BdAG |1 FDEC D2 (3A,B,C :|2 FDEC D2 FA |: dAFA dAFA | (3dcd ed cA (3A^GA | 
 eA (3A^GA fA (3A^GA | (3gbg fg edBc | dAFA dAFA | (3dcd ed cA (3A^GA | (3Bcd cB AGFE |1 
 D2 DC D2 FA :|2 D2 DC D4 ||  