Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/4
K:G
['GA Bc d>e', '', 'fe d>e']  
X:1
L:1/8
M:2/4
K:G
 D | GA Bc | d>e dB | c>B cA | B>c BA | GA Bc | d>e dg | f/e/d cA | G3 :: B/d/ || gg fe | d>e dB | 
 c>B cA | B>c Bd | g2 fe | d>e dg | f/e/d cA | G3 ||  