Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
['gdBG ceAc', '(g/f/e/f/) (g/f/e/f/)']  
X:1
L:1/8
Q:1/2=80
M:2/4
K:G
|: B | GB (d/e/f) | gdBG | ceAc | BGAF | GB (de/f/) | gdBG | ceAc | B2 G :: B | 
 (g/f/e/f/) (g/f/e/f/) | gBgB | (g/f/e/f/) (g/f/e/f/) | aAaA | (g/f/e/f/) (g/f/e/f/) | gBdB | 
 (c/A/c) (B/G/F) | G2 G, :|  