Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:4/4
K:C
['z G']  
X:1
L:1/8
M:4/4
K:C
 z E | GG GG AG G2 | GG GA G2 z G | AA AB c c2 c | dc BA G2 EF | G/G/ G2 FE B,B, D | C4 z2 z G | 
 c3 .c3 .c3 .c2 c B2 A | G4 z2 GG | c c2 Ac cA G | A G2 E C2 EF | G3 .G3 .G3 .GF EB, B,D | C6 ||  