Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
Q:1/4=80
M:6/8
K:C
['BAA ABG A d2 e/^f/ g2', 'B2 A'  
X:1
L:1/8
Q:1/4=80
M:6/8
K:C
"_vb" (e/>d/) | BAA ABG | A d2 e/^f/ g2 | a>ge/d/ B2 A | G3- G2 e/>d/ | BAA ABG | A d2 e/^f/ g2 | 
 a/g/ed B2 A | A3- A2 || e/f/ | ged eaa | g2 b a/g/ e2 | (Ta/g/e)d B2 A | G3- G2 (e/>d/) | 
 BAA ABG | A d2 e/^f/ g2 | a/g/ed B2 A | A3- A2 |]  