Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:4/4
K:A
['A2 G>A F>AE>A', 'c>d e>aa>e'  
X:1
L:1/8
M:4/4
K:A
|: B/ c>B | A2 G>A F>AE>A | (3cBA (3ABc d>Ac>d | e>aa>e f>ed>c | B>AG>F E2- E>B | A2 G>A F>AE>A | 
 c>AB>c d2 c>d | e>aa>e f>ed>c | B>AG>B A3/2 :: A/ c>d | e>aa>e f>ec>d | e>aa>e f2 c>d | 
 e>aa>e f>ed>c | B>AG>F E>Bc>B | A2 G>A F>AE>A | c>A (3ABc d2 c>d | e>aa>e f>ed>c | B>AG>B A3/2 :|  