Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:4/4
K:C
['', 'G3 d2 ^F (G2 A) (B2', 'gf=e fgf f=ed', 'AG^F G2 z A2 z B2 z']  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:Gmin] .abc D |: G3 d2 ^F | (G2 A) (B2 c) | ded cBA | dcB AGF | G3 d2 ^F | (G2 A) (B2 d) | 
 cAc f=ed |1 cAF F=EF :|2 cAF G2 |: d | gag gf=e | fgf f=ed | cd=e fed | cAF G2 d | gag gf=e | 
 fgf f=ed | cd=efed |1 cAF F2 :|2 cAF F=EF |: G2 z A2 z | B2 z c2 z | ded cBA | dcB AG^F | 
 G2 z A2 z | B2 z d2 z | cAc f=ed |1 cAF F=EF :|2 cAF G2 |]  