Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:2/4
K:A
['eeec d3 B', 'B>G (3EGE']  
X:1
L:1/8
M:2/4
K:A
 eeec | d3 B | cccA | BG E2 | eeec | d3 B | cABG | A4 :| B>G (3EGE | B>G (3EGE | cAec | c2 B2 | 
 Affg | affd | cB AG | A2 A2 :|  