Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/4
Q:3/4=90
M:9/4
K:Bmin
['d c', 'e f']  
X:1
L:1/4
Q:3/4=90
M:9/4
K:Bmin
 f2 c d3/2 c/ B f2 c | d c B d c B ^A2 G | F d c E c B D G F | E D C B, B ^A B3 :: 
 f2 d f g a e f g | f3/2 g/ f e f d c d e | f g a f d c B A G | F d F E d c d2 f/e/ | 
 d2 f c2 f B2 F | B3/2 c/ d e f d c d e | f a g e a f d g e | f b c c2 B B3 :|  