Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/8
M:1/2
K:G
['c c3']  
X:1
L:1/8
M:1/2
K:G
 z4 | z2 (Bc) | G4- | G B2 G | B4 | G z (Gd) | d4- | d g2 g | (d2 B2) | G z (Bc) | G4- | G B2 G | 
 B4 | G/ z/ G2 G | cd cG | B B3 | G2 GG | c c3 | B3/2 (G/) B2 | z c c2 | BG G3/2 G/ | 
 B21 .c21 .B21 | .c2 cG | B4 | z2 GG | c c3 | cc B2 | c c3 | BG G3/2 G/ | BB cB | c B3 | G2 z2 |]  