Utilizing the provided musical theme and letter-based structure, compose a piece of music.
X:1
L:1/8
M:4/4
K:F
['A<(d d>)e f2 d>f', 'F>GA>B c<FA<F E>FG>c G/F/E/D/ C>E']  
X:1
L:1/8
M:4/4
K:F
 c | A<(d d>)e f2 d>f | e>d c<g a/g/f/e/ c>e | A<(d d>)e f2 d>f | e>c a/g/f/e/ d2 d :| E | 
 F>GA>B c<FA<F | E>FG>c G/F/E/D/ C>E | E>GA>B c<FA<g | f>d f/e/d/^c/ d2 D<E | F>GA>B c<FA<F | 
 E>FG>c G/F/E/D/ C>E | F<AG<B A<fe<g | f>d f/e/d/^c/ d2 d ||  