Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:6/8
K:Ador
['cAG A3 D3', 'faf ecA', 'G BGE E2'  
X:1
L:1/8
M:6/8
K:Ador
|: cAG A3 | D3 A2 B | cAG A3 | D3 GED | cAG A3 | D3 GED | F3 E3 | DEF GED ::[K:D] d2 e faf | 
 ecA ABc | dcd efg | fg/a/f gfe | d2 e faf | ecA AGE | F3 E3 | DEF GED :: B2 G A2 G | BGE E2 =c | 
 B2 G AGE | GED D3 | B2 G A2 G | BGE E2 c | dB/c/d ABG | FDD D3 :|  