Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/4
M:2/2
K:G
['g e e f/g/ a d d3/2', 'b g2 g b']  
X:1
L:1/4
M:2/2
K:G
 z | g e e f/g/ | a d d3/2 d/ | e/f/ g f e | d B B2 | g e e f/g/ | a d d3/2 d/ | e/f/ g f e | 
 d B B :| b | g2 g b | g2 g b | g/a/ b g/a/ b | a f f2 | f/g/ a f/g/ a | g e e/f/g/a/ | 
 b a/g/ f/e/ f | e3 :|  