Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:2/4
K:G
['g2 e2 f2 d2 e2 c2 cd', 'z2 d2 e2 f2 d2 ee gf/e/'  
X:1
L:1/8
M:2/4
K:G
 g2 e2 | f2 d2 | e2 c2 | cd d2 | gg ee | ff dd | ee dd | c2 z2 :| d2 e2 | f2 d2 | ee gf/e/ | 
 e2 d2 | gg ee | ff dd | ee dd | c2 z2 :|  