Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/16
M:2/4
K:F
['A2 A']  
X:1
L:1/16
M:2/4
K:F
 d2 c4 d f | A2 A G F2 D2 |[M:1/4] F F F G |[M:2/4] A2 A c G F2 D | C8 | d2 c4 d f | A2 A G F2 D2 | 
[M:1/4] F F F G |[M:2/4] A2 A c G F2 D | C8 |]  