Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:4/4
K:Amin
['DAAB cBcG EG G2 DGAG EGAB cABc', 'c2 ec Gcec', 'ae e2 aeba'  
X:1
L:1/8
M:4/4
K:Amin
|: G | DAAB cBcG | EG G2 DGAG | EGAB cABc | dBgd BAAG | DAAB cBcG | EG G2 DGAG | EGAB cABc | 
 dBgd BA A :: B | c2 ec Gcec | Gcec dBGB | c2 ec Gcec | dBGB cAAB | c2 ec Gcec | Gcec dBGB | 
 AcBd ceae |1 gedB cA A :|2 gedB cA A2 :: ae e2 aeba | gdBd gabg | ae e2 aeba | gedB cA A2 | 
 ae e2 aeba | gdBd gabg | abga eage | dBgd BA A2 :|  