Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:3/4
K:Ddor
['dA df ed e>d eg fe f>e', 'af f2 fa gf (fe) e2'  
X:1
L:1/8
M:3/4
K:Ddor
 dA df ed | e>d eg fe | f>e de ff | ee d4 :: af f2 fa | gf (fe) e2 | af f2 fa | gf (fe) e2 | 
 dA df ed | e>d eg fe | dc db ag | fe d4 ||  