Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:6/8
K:G
['B/A/ G2 A B2 d e2 d', 'd e2'  
X:1
L:1/8
M:6/8
K:G
 B/A/ | G2 A B2 d | e2 d g2 f | efg d2 B | c2 A A2 B/A/ | G2 A B2 d | e2 d g2 e | =f2 d c2 A | 
 A2 G G2 || d | g2 f e2 d | e2 f gfe | d2 B c2 d | e2 A A2 B/A/ | GAG BAB | def g2 e | =fef dcA | 
 A2 G G2 ||  