Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:6/8
K:G
['BAB GBG AFD F2 G AGA fed', 'd gfg', '(g/f/)e(g f)df']  
X:1
L:1/8
M:6/8
K:G
 A | BAB GBG | AFD F2 G | AGA fed | cAG FGA | BAB GBG | AFD F2 G | AGA fed | cAF G2 :: d | 
 gfg afd | gfg a2 d | gfg b2 g | a2 g fga | geg fed | fed cde | fef ded | cAF G2 :: (e/f/) | 
 (g/f/)e(g f)df | (e/d/)c(e d)B(G | A)GA (fe)d | cAG FGA | (g/f/)e(g f)df | (f/e/d)(e d)B(G | 
 A)GA (fe)(d | c)AF G2 :|  