Construct a musical piece that complies with the specified structure and abides by genre conventions.
'Sectional: Through Composed'  
X:1
L:1/8
Q:1/2=90
M:2/2
K:A
 f | eAeA GABd | cAeA fAaA | eAcA GABd | cAeA A/A/A A2 :: CEAc BEdE | cEeE BGFE | CEAc BEdE | 
 caec A/A/A A2 :|[M:2/2][K:D][Q:1/2=90] d2 (f/g/a) gfed | d2 (f/g/a) g2 B2 | d2 (f/g/a) gfed | 
 A2 d>e c2 A2 :: (d/=c/B/A/) GB dBgB | (d/c/B/A/) GB g2 B2 | (d/c/B/A/) GB dBgB | A2 d>e c2 A2 :|  