Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:6/8
K:D
['fdd cAA BAG A2 G FAA def', 'FAA B2 A FAA'  
X:1
L:1/8
M:6/8
K:D
 e | fdd cAA | BAG A2 G | FAA def | gfg eag | fdd cAA | BAG A2 G | FAA def | gec d2 :| G | 
 FAA B2 A | FAA B2 A | FAA def | gfg eag | fdd cAA | BAG A2 G | FAA def | gec d2 :|  