Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/8
Q:1/4=120
M:2/2
K:G
['', 'g3 a', 'BAAB Bdde gedB G2 G2 AA Bd'  
X:1
L:1/8
Q:1/4=120
M:2/2
K:G
"^Fast" (Bd) e2 |: g3 a (ge)dd | e3 d (Bd) e2 | g3 a gdBB | G4 (Bd) e2 | g3 a (ge)dg | 
 e2 ab a2 b2 | g3 a geBB |1 G3 G (Bd) e2 :|2 G2 AA GA A2 || B2 d2 d2 e2 | A4 BAAB | Bdde gedB | 
 G2 | G2 AA Bd d2 | gedB G2 ||  