Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:4/4
K:Amix
['Adde ffed cAeA cdeA Adde fded Adcd', 'agfa gbag'  
X:1
L:1/8
M:4/4
K:Amix
|: Adde ffed | cAeA cdeA | Adde fded | Adcd ec d2 :| agfa gbag | fdad cdea | agfa gbag | 
 fded cd d2 | agfa gbag | fdad cdec | Adde fded | Adcd ec d2 ||  