Generate a musical piece using the presented motif and follow the alphabetical structure provided.
X:1
L:1/8
M:4/4
K:G
['', 'B d2 Bd ABGE DGBG AE E2', '', 'd gfge d2 BG ABcd eAAB dg']  
X:1
L:1/8
M:4/4
K:G
|: B || d2 Bd ABGE | DGBG AE E2 | GEDE GABd | gbaf gedB | GB B2 eBdB | AcBG AGEG | gfgd (3efg dB | 
 DEGA BGG :: d || gfge d2 BG | ABcd eAAB | dg g2 dcBG | FGAc BcBA | GB B2 GBdB | cBcd eAAf | 
 gfgd (3efg dB | DEGA BGG :|  