Compose a piece of music based on the melodic structure provided.
'Sectional: Through Composed'  
X:1
L:1/8
M:2/2
K:Dmix
"^A" | dS |: cAFA (3(GFE) (FG) | cAGB Adde | cAGA FEFG | fdec |1 Adde :|2 Add"^B" |] d | 
 defg abaf | gece gage | defg abaf | gece e(d d2) || defg bged | ^cdef g2 fg | afge fdec | 
 dcAG AddSe |]  