Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
Q:1/4=75
M:2/4
K:G
['Bd de/f/ g>a (g/f/)(e/d/) e>fg>e d/e/d/c/ BG', 'g2 bgaf ga/g/ fd e>fge d/e/d/c/ BG']  
X:1
L:1/8
Q:1/4=75
M:2/4
K:G
 Bd de/f/ | g>a (g/f/)(e/d/) | e>fg>e | d/e/d/c/ BG | Bdg>f | ea{g} f2 | gbdg | (b/a/)(g/f/) g2 :: 
 bgaf | ga/g/ fd | e>fge | d/e/d/c/ BG | Bdg>f | ea{g} f2 | gbdg | b/a/g/f/ g2 :|  