Formulate a musical piece by utilizing the specified motif and alphabet-based structure.
X:1
L:1/8
M:3/4
K:G
['Bd e2 efgf', 'E4 BA G2 G2 GA/B/ A2 G2']  
X:1
L:1/8
M:3/4
K:G
 Bd | e2 efgf | e2 d2 cB | c2 cded | c2 B2 Bd | e2 efgf | ed B2 GB | AG E2 E2 | E4 :: BA | 
 G2 G2 GA/B/ | A2 G2 AB | c2 cded | c2 B2 Bd | e2 efgf | ed B2 GB | AG E2 E2 | E4 :|  