Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/4=100
M:6/8
K:D
['(F/G/A)F D2', '(f/g/a)f d2']  
X:1
L:1/8
Q:1/4=100
M:6/8
K:D
 A | (F/G/A)F D2 A | (de)d dAF | (F/G/A)F D2 f | eEE E2 A | (F/G/A)F D2 A | ded dAF | FdF Edc | 
 dAF D2 :: g | (f/g/a)f d2 f | (aba) afd | (f/g/a)f d2 f | eEE E2 g | (f/g/a)f d2 a | bag fed | 
 (B/c/d)B AFB | AFD D2 :|  