Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:4/4
K:F
['(A/B/c) fc', 'A/B/ cFAF']  
X:1
L:1/8
M:4/4
K:F
 B | (A/B/c) fc dcfc | (A/B/c) fc dcdf | (A/B/c) fd cf/g/ ag | fdcA F3 :: A/B/ | cFAF cFBd | 
 cF (d/c/B/A/) G3 A/B/ | cFAF faga | fdcA F3 :|  