Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
['A2 BA eAAA (3Bcd AB GBAG EAAA', '(3BAG Bd'  
X:1
L:1/8
Q:1/8=180
M:4/4
K:Amin
 (3EFG | A2 BA eAAA | (3Bcd AB GBAG | EAAA BAGA | (3BAB Bd gedB | A2 BA eAAA | (3Bcd AB GBAG | 
 EAAA BAGA | (3BAB dB A2 :|[K:G] dc | (3BAG Bd g2 ga | (3bag (3agf gedc | (3BAG Bd gfga | 
 (3bag (3agf g2 ga | bagb agef | gedB AE E2 | GABd (3edB ec | dBAB G2 :|  