Construct a musical composition utilizing the provided motif and conforming to the specified structure.
X:1
L:1/8
M:6/8
K:G
['Bd g2 g>b', 'G,2 d>c BA GF GA Bc d^c'  
X:1
L:1/8
M:6/8
K:G
|: Bd | g2 g>b af | gG Bd | g2 g>b ab | g>a gf | e2 ef/g/ a/g/f/e/ | d>c Bd gd | f/e/d/c/ BG AF | 
 GB,G,B, G,2 :: d>c | BA GF | GA Bc | d^c d>e fd | gf gb ab | g>a gf | e2 ef/g/ a/g/f/e/ | 
 d>c Bd gd | f/e/d/c/ BG AF | GB,G,B, G,2 :|  