Create musical composition by adhering to the given musical structure represented by letters and integrating the given motif.
X:1
L:1/8
M:3/4
K:C
['z4 GG A4']  
X:1
L:1/8
M:3/4
K:C
 C2 | E4 E2 | C4 DE | D2 C4 | z4 GG | A4 AA | G4 E2 | G6 | z4 GG | A4 A2 | G4 CC | E2 F2 GG | 
 (E2 C2) CD | E4 F2 | (E2 B,2) (B,D) | C6 | z4 ||  