Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/4
M:3/4
K:Bb
['G G']  
X:1
L:1/4
M:3/4
K:Bb
 B | G B d | c d A | F G A | G2 G | G G G | g2 g/g/ | f g g | g2 G/G/ | G- G G | g g g | f d c | 
 d2 G | G B d | c d3/2 A/ | F G A | G2 ||  