Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:3/8
K:G
['D2 F A2']  
X:1
L:1/8
M:3/8
K:G
 D2 D | G2 G | B2 G | G2 G | D2 F | A2 A | cBA | G2 z | B2 d | A2 G | GFE | E2 D | D2 F | A2 A/A/ | 
 A2 A | B2 z | c2 e | d2 B | dcA | G2 z |]  