Develop harmonious chord sequences that enhance the given musical composition.
|: FA AB/c/ | dd de/f/ | ge fd | BA A/B/A/G/ | FA AB/c/ | dd de/f/ | ge fd | 
 BA A2 :: fa af | ed de | fa af | ed ed/e/ | fa af | ed de/f/ | ge fd |1 
 BA A2 :|2 BA A/B/A/G/ ||  
X:1
L:1/8
M:2/4
K:D
|:"D" FA AB/c/ | dd de/f/ |"G" ge fd | BA"A" A/B/A/G/ |"D" FA AB/c/ | dd de/f/ |"G" ge fd | 
 BA"A" A2 ::"A" fa af |"D" ed de |"A" fa af |"D" ed"G" ed/e/ |"A" fa af |"D" ed de/f/ |"G" ge fd |1 
 BA"A" A2 :|2 BA"A" A/B/A/G/ ||  