Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
Q:1/8=220
M:2/4
K:D
['a/a/a/ z/', 'eefe ccdc', 'F2 Ad']  
X:1
L:1/8
Q:1/8=220
M:2/4
K:D
 a/a/a/ z/ a/a/a/ z/ | a/a/a/ z/ a/a/a/ z/ | EA d2{de} | dcBA | b/b/b/ z/ b/b/b/ z/ | 
 b/b/b/ z/ b/b/b/ z/ | Bd g2{ga} | gfed | c/c/c/ z/ c/c/c/ z/ | c/c/c/ z/ c/c/c/ z/ | Ac/e/ a2 | 
 Ac/e/ a2 | fedf | edce | d/d/d/ z/ d/d/d/ z/ | d3 z :| eefe | ccdc | BBfe | c>GA/B/c/d/ | eefe | 
 ccdc | BB fe | A z a2 :| F2 Ad | F2 Ad | G2 Bd | F2 Ad | E2 GB | A2 df | e^g/g/ gg | a z a2 | 
 F2 Ad | F2 Ad | G2 Bd | F2 Ad | E2 GB | A2 df | eA/A/ Bc | d z d2 :|  