Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:4/4
K:D
['DEGB ABde f2 ef dBAd B2 BA', 'afdA B2 BA']  
X:1
L:1/8
M:4/4
K:D
|: DEGB ABde | f2 ef dBAd | B2 BA BddA | BdAF E/E/E EF | DEGB ABde | f2 ef dBAd | B2 BA BddA |1 
 BdAF D/D/D DE :|2 BdAF D/D/D DA |: Bffe f/f/f fe | defb afdA | B2 BA BddB | ABdf edBA | 
 Bffe f/f/f fe | defb afdA | B2 BA BddA |1 BdAF D/D/D DA :|2 BdAF D/D/D DE ||  