Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:2/4
K:A
['a=g eg', 'e2 d/A/c AA/B/'  
X:1
L:1/8
M:2/4
K:A
"A" a=g eg | e/d/c Aa- | a=g eg | a>b aa- | a=g eg | e/d/c AA/B/ | ce"E" e19 d/ d/c |"A" A2 A2 :| 
"A" e2 e2 | d/A/c AA/B/ | ce"D" dA/B/ |"A" ce d/c/A |"A" e2 e2 | d/A/c AA/B/ | ce"E" e/d/c | 
"A" A2 A2 :|  