Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:4/4
K:Amin
['c2 cd cAAG AdcA G2 Gc Addc', 'fdeg fded cdcA G2']  
X:1
L:1/8
M:4/4
K:Amin
 c2 cd cAAG | AdcA G2 Gc | Addc defa | gedc A2 AB :| fdeg fded | cdcA G2 Gg | fdec defa | 
 gedc A2 Ag | fdeg fded | cdcA G2 Gc | Addc defa | gedc A2 A2 ||  