Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:4/4
K:D
['A2 A>B AF ED', 'Fd f/a/f/e/ fa Ad fa (3gag (3fgf']  
X:1
L:1/8
M:4/4
K:D
|: DF | A2 A>B AF ED |{e} f3 f{ef} ed BF | A2 A>B AF ED | E2 EF E2 DF | A2 A>B AF ED | 
{e} f2 ff ed (3Bcd | A2 d>e{e} fe{de} dc | d2{e} dc d2 :: Fd | f/a/f/e/ fa Ad fa | 
 (3gag (3fgf e2 fg | af dA F/G/A/F/ G/A/G/F/ | E3 F{EF} E2 FG |{c} AD FA dF Ad | fa{ga} gf ed cB | 
 Aa ^ga{ga} ge cA |{dc} d2 dc d2 :|  