Develop a musical piece employing the provided motif and an alphabet-based structure.
X:1
L:1/8
Q:1/8=300
M:6/8
K:G
['dBG GFG ABA ABd ege dBd', 'def gfg efg a2 f']  
X:1
L:1/8
Q:1/8=300
M:6/8
K:G
|: g | dBG GFG | ABA ABd | ege dBd | gGG Gge | dBG GFG | ABA ABd | ege dBd | gGG G2 :: e | 
 def gfg | efg a2 f | gab efg | dBG cAF | def gfg | efg a2 f | gbb eaa | def g2 :|  