Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:2/2
K:G
['D2 (3(.G.G.G) BG d2 Bd efge edBd', 'GFE D (3(.G.G.G) BG d2 Bd efge', 'gfga bgdg', 'A2 (Bd) gfga bgdg edef gdBG DGBd']  
X:1
L:1/8
M:2/2
K:G
 D2 | (3(.G.G.G) BG d2 Bd | efge edBd | ceAc BdGB | ABcA GFE || D | (3(.G.G.G) BG d2 Bd | 
 efge edBd | ceAc BdGB | cAFA G2 |] | d2 | gfga bgdg | edef gdBd | gfga bgdg | edcB A2 || (Bd) | 
 gfga bgdg | edef gdBG | DGBd gdBd | cAFA G2 |]  