Create musical composition by adhering to the given musical structure represented by letters and integrating the given motif.
X:1
L:1/8
M:4/4
K:A
['', 'a gfed cBAa gfed c2 Aa gfed', 'a fdBg ecAa fdBg e2 Aa fdBg']  
X:1
L:1/8
M:4/4
K:A
 a |: gfed cBAa | gfed c2 Aa | gfed cBAe | a3 e ^d e2 a :: fdBg ecAa | fdBg e2 Aa | fdBg ecAc | 
 dfBg a2 A z :|  