Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:6/8
K:G
['GDD EDD GAB Bcd edc BcA', 'edc BcA BGG']  
X:1
L:1/8
M:6/8
K:G
 A | GDD EDD | GAB Bcd | edc BcA | BGG E2 F | GDD EDD | GAB Bcd | edc BcA | BGG G2 :: G | GBd edd | 
 gdd edd | GBd edc | BcA BGG | GBd edd | gdd edd | GBd edc | BcA BGG | GDD EDD | GAB Bcd | 
 edc BcA | BGG G2 :|  