Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/4
Q:1/4=120
M:3/4
K:G
['d d/d/d/d/']  
X:1
L:1/4
Q:1/4=120
M:3/4
K:G
"^Allegro." d | d d/d/d/d/ | g f e | d d/d/d/d/ | d B d | c c/c/c/c/ | c A d | B B/B/B/B/ | B G B | 
 d d/d/d/d/ | g f e | d d/d/d/d/ | d B d | c c/c/c/c/ | c A d | G z [fA] | [gB] z/ |]  