Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
M:2/4
K:G
['G3/2 A/ BA Bc d2']  
X:1
L:1/8
M:2/4
K:G
 d3/2 d/ | ed ef | g4- | g2 d3/2- d/ | ed ef | g2 dd | e2 dd | d2 BA | GG AG | G2 G3/2 A/ | BA Bc | 
 d2 ed | (BA) G2 | B2 G3/2 A/ | BA Bc | d2 A2 | G4- | G2 ||  