Compose a piece of music by integrating the assigned letter representation and provided tune.
X:1
L:1/8
M:3/4
K:F
['F2 z']  
X:1
L:1/8
M:3/4
K:F
 CFG/B/ | AGFcd/c/B/A/ | G2 z c/B/Ac | cB/A/BB/A/GB | BA/G/Ac/B/AG | F2 z c/B/AG | F2 z c/B/Ac | 
 cB/A/BB/A/GB | BA/G/Ac/B/AG | F2 z c/B/AG | F2 z |]  