Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:2/4
K:G
['GG/G/ Bd b2- ba/a/ ag/g/ gB d2-', 'dc BA G2']  
X:1
L:1/8
M:2/4
K:G
"G" GG/G/ Bd | b2- ba/a/ | ag/g/ gB | d2- dB |"D" c>B cA | a2- aa/g/ | fd ed |"G" B2- BB/A/ | 
"G" GG/G/ Bd | b2- ba/a/ | ag/g/ gB | d2- dB |"D" c>B cA | a2- aa/g/ |"D7" fd ef |"G" g2- gB/c/ |: 
"G" de dB/c/ | de dg/g/ |"D" fa/a/ ce/e/ | eg d"G"B/c/ | de dB/c/ | de dc | B>A"D7" BA | 
"G" G2 G2 :|  