Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
['G2 G2 GABG c2 c2 cecA BdBG', 'c2 c2']  
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
 (D/E/F) | G2 G2 GABG | c2 c2 cecA | BdBG ABcA | GFED DEFD | G2 G2 GABG | c2 c2 cecA | BdBG AcAF | 
 G2 G2 G2 :: (Bc) | d2 d2 defg | e2 c2 c2 (AB) | c2 c2 cecA | B2 G2 G3 B | AFDF AFDF | 
 A2 c2 c2 A2 | BdBG AcAF | G2 G2 G2 :|  