Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
Q:3/8=110
M:6/8
K:D
['DFA dfe dcd A2 F GBE FAd', 'd2 e fga']  
X:1
L:1/8
Q:3/8=110
M:6/8
K:D
 DFA dfe | dcd A2 F | GBE FAd | edc d3 :: a>gf geA | g>fe fdA | d2 e fga | agf e2 A | dce d2 e | 
 fga A2 A | Bcd Bgf | edc d3 :|  