Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/8=300
M:4/4
K:G
['DE G2 (3AGF G2 Bd g2 fg', 'e dGBd eGBd (3gfg bg dGBd']  
X:1
L:1/8
Q:1/8=300
M:4/4
K:G
 DE | G2 (3AGF G2 Bd | g2 fg dGBd | eGBd BAGB | (3ABA FE D2 DE | G2 (3AGF G2 Bd | g2 fg dGBd | 
 eGBd BAGE | G2 GF G2 :| z e | dGBd eGBd | (3gfg bg dGBd | cecA BdBG | (3ABA FE D3 e | dGBd eGBd | 
 (3gfg bg dGBd | EGBd BAGE | G2 GF G2 :|  