Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
Q:1/4=120
M:6/8
K:F
['(g>f).g f2']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:F
"^Andante Graziano" d | c z c f z f | (g>f).g f2 d | (cd).e [cf]z[Af] | (g>f).g f2 g | abc' c'ba | 
 gaf d2 c | (c>d).c [cf]z[Af] | (g>f).g [Af]2 ||  