Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:4/4
K:D
['f d<D D/D/D A>DF>f d<D Fd/f/ e>cd>B', 'E>E F>A B2']  
X:1
L:1/8
M:4/4
K:D
 f | d<D D/D/D A>DF>f | d<D Fd/f/ e>cd>B | A>D D/D/D A>DF<d | E<E F>A B2 B :: f | d>af<a A<dF>d | 
 d<af>a b>da<d | d>af<a A<dF>d | E>E F>A B2 Bf | d>af<a A<dF>f | d<af<a b>da<d' | 
 a<f{de} f>d e>cd<f | E>E F>A B2 B :|  