Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:G
['DGGA BABc d2 cA dBcA DGGA BABd']  
X:1
L:1/8
M:4/4
K:G
 DGGA BABc | d2 cA dBcA | DGGA BABd | eddc AGGF :|  