Create harmonious melodies following the given letter notation and incorporating the designated theme.
X:1
L:1/8
M:2/2
K:D
['(3(FED) (AF) BGAF', 'D g fada fdaf eg=cg ecgc fada', 'FDDg fada fdad eg=cg ecgc afge fdec']  
X:1
L:1/8
M:2/2
K:D
 G | (3(FED) (AF) BGAF | EG=cG ECCE | (3(FED) (AF) BGAF | Dddc dD D :| g | fada fdaf | eg=cg ecgc | 
 fada fdad | (3(Bcd) AG FDDg || fada fdad | eg=cg ecgc | afge fdec | dABG FD D |]  