Create a musical piece using the provided alphabetic structure and motif.
X:1
L:1/8
M:4/4
K:G
['', 'BG(3.G.G.G DGBG A=F F2', 'BGGA (3_BcB Ac B2{c} BA _Bdgd ABcA', 'Bdgd BGGB (3ABc gc A=FFA']  
X:1
L:1/8
M:4/4
K:G
 dc |: BG(3.G.G.G DGBG | A=F F2 AB{d}cA | BG(3.G.G.G DGBG | A=F F2 AGGA | BG(3.G.G.G DGBG | 
 A=F F2 AB{d}cA | Gg{a}gf gbag | fdcA BGGA :: (3_BcB Ac B2{c} BA | _Bdgd ABcA | Gfga g3 a | 
 bg g2 defd | fg{a}gf gabg | defd ABcA | (3.g.a.g fa gbag | fdcA BGGA :: Bdgd BGGB | 
 (3ABc gc A=FFA | (3Bcd gd BGGB | A=F F2 DGGA | Bdgd BGGB | (3ABc gc A=FFA | Gg{a}gf gbag | 
 fdcA BGGA :|  