Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
Q:3/8=90
M:6/8
K:D
['d2 D (F/G/A)F', 'd2 f/e/ dfa afd cea ecA ded']  
X:1
L:1/8
Q:3/8=90
M:6/8
K:D
|: f/e/ | d2 D (F/G/A)F | EFE cBc | d2 D (F/G/A)F | A3 d2 |: f/e/ | dfa afd | cea ecA | ded fdg | 
 f3 a3 | afa geg | fdf ece | d2 D F/G/AF | A3 d2 :|  