Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:3/4
K:G
['G2 (3GBdAF G2']  
X:1
L:1/8
M:3/4
K:G
 (3DEF G2 B2 | A^G A2 d2 | e3 dcA | GA B2 D2 | G2 (3GBdAF | G2 (3GBdcA | G2 (3GBdAF | G2 B2 D2 |]  