Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
Q:1/8=300
M:2/4
K:Ador
['EA AB cd', 'ab ag'  
X:1
L:1/8
Q:1/8=300
M:2/4
K:Ador
 EA AB | cd e2 | G>F GA | GE ED | EA AB | cd e>f | ge dB | A2 A2 :| a>g ab | ag ef | g>f ga | 
 ge ed | ea ab | ag e>f | ge dB | A2 A2 :|  