Develop a musical composition in line with the given structure and theme.
X:1
L:1/8
M:6/8
K:D
['F/G/ |:S AAA AAA [fA]2 d', 'F GBG FAF Eed cBA AAA AAA', 'eee ecA'  
X:1
L:1/8
M:6/8
K:D
 F/G/ |:S AAA AAA |"^>" [fA]2 d A2 F | GBG FAF | Eed cBA | AAA AAA |"^>" [fA]2 d A2 F | Ged cBc | 
 d2 D D2 :: c/d/ | eee ecA | ffe def | eee ecA | dfe d2 c/d/ | eee ecA | aaa agf | eae dcB | 
 AFG AFGS :|  