Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
Q:1/4=156
M:8/4
K:C
['d c']  
X:1
L:1/8
Q:1/4=156
M:8/4
K:C
 z f e f e2 d c | z e d e d2 c B | z d c d c2 B A | c d/c/ B B/A/ A/B/ c/d/ e/d/ e | 
 z f e f e2 d c | z e d e d2 c B | z d c d c2 B A | c d/c/ B B/A/ A2 G/A/ B/c/ ||  