Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:2/2
K:D
['a2 ab a2 fa abaf', 'D ED!slide!FE DFED B,2 A,B, D2 D2']  
X:1
L:1/8
M:2/2
K:D
{ef} a2 ab a2 fa | abaf e(A d)e | f a2 b a2 a>(b | a>)(f e>)d e2 A2 |{f} a2 ab a2 fa | abaf e2 de | 
 f(a e>)d d2 d2 | ABAF E2 D || (E | D3) D ED!slide!FE | DFED B,2 A,B, | D2 D2 EDFF | DDAF (EF) D2 | 
 !slide!D3 D ED!slide!FE | DFED B,2 A,B, | D2 D2 EEFG | ABAA (FE) D2 ||  