Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
M:4/4
K:G
['dgge dBBA GDAD BDAD d2 ge dBBG', 'gfef d2 d2']  
X:1
L:1/8
M:4/4
K:G
 dgge dBBA | GDAD BDAD | d2 ge dBBG | DGGA BG G2 :: gfef d2 d2 | eaab a2 ba | gfef d2 d2 | 
 dgga bg g2 :|  