Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
Q:1/8=128
M:4/4
K:F
['f<f f>c']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:F
|: a | f<f f>c A<F F>a | f<f f>c g2 ga | f<f f>c d<f c>A | B>d c>e f2 fa | f<f f>c A<F F>a | 
 f<f f>c g2 ga | f<f f>c d<f c>A | B>d c>e f2 fd | c<F c>A F>c A>c | B>d A<c G>A B>c | 
 c<F c>A F>A c>A | B<c c>e f2 fd | c<F c>A F>c A>c | B>d A<c G>A B>c | A<F G>A B>c d>B | 
 c>f e>g f2 f :|  