Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:2/4
K:C
['Ad c2 AG- GA']  
X:1
L:1/8
M:2/4
K:C
 cc/d/ee | dc A2 | c>dee | d d2 e | c2 Ad | c2 AG- | GA E2 | A A2 c | G2 Ad | c2 AG- | GA E2 |]  