Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
M:12/8
K:D
['dcB A2 d dcd B2 A F2', 'd3 cc/d/e f2 d- dcd g2 e-'  
X:1
L:1/8
M:12/8
K:D
|: dcB | A2 d dcd B2 A F2 E | D2 F AGF G2 F EE/F/G | Add dcd BAA FGA | B2 ^A B2 c d3 :: cc/d/e | 
 f2 d- dcd g2 e- e^de | f2 d dcd e2 A A2 a | fdd dcd gee e^de | B2 ^A B2 c d3 :|  