Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:6/8
K:D
['faf fed A3 A2 e fgf fed', 'fBB fBB g=cc gcc'  
X:1
L:1/8
M:6/8
K:D
 faf fed | A3 A2 e | fgf fed | e3 e2 f | gfg bag | fdf afd | ede f2 e | d3 d2 e :| fBB fBB | 
 g=cc gcc | add add | bab bag | fBB fBB | g=cc gcc | faf efe | d3 d2 e ||  