Develop a musical composition incorporating the given motif and maintaining the required musical form.
X:1
L:1/8
Q:3/8=100
M:6/8
K:Amin
['A2 a edc', 'c2 c gec'  
X:1
L:1/8
Q:3/8=100
M:6/8
K:Amin
 A2 a edc | B2 g dBG | A2 a edc | BGB A3 :: c2 c gec | fed gfe | c2 c gec | aga e3 | c2 c gec | 
 fed gfe | aga edc | BGB A3 :|  