Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:D
['DFEF D2 Ad cAGF EFGD', 'f3 e fage']  
X:1
L:1/8
M:4/4
K:D
|: DFEF D2 Ad | cAGF EFGD | F3 E DFAd | cAGF EFGE | DFEF D2 Ad | cAGF EFGD | Addc d2 ed |1 
 cAGF EFGE :|2 cAGE ED D2 |: f3 e fage | f2 df afde | f3 e fage | fdec Ad d2 | f3 e fage | 
 f2 df afde | fage d2 ed | cAGF EFGE :|  