Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
Q:1/8=160
M:9/8
K:A
['A2 A', 'A2 E']  
X:1
L:1/8
Q:1/8=160
M:9/8
K:A
 E | A2 A BcA GFE | A2 A B2 B e2 E | A2 A BcA GFE | F2 F G2 E A2 :| E | AGF EDC DEF/G/ | 
 A2 E G2 A B2 E | A2 A BcA GFE | F2 F G2 E A2 :|  