Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:6/8
K:D
['FEF DFA dce dcB', 'd3 aba fed gfg ecA fed Bcd']  
X:1
L:1/8
M:6/8
K:D
 FEF DFA | dce dcB | AdB AFD | EFD EAG | FEF DFA | dce dcB | Ade faf | gec d3 :: aba fed | 
 gfg ecA | fed Bcd | edB ABc | dedAFA | Bed cbA | faf gec | Adc d3 :|  