Develop harmonious chord sequences that enhance the given musical composition.
|: FA AB/c/ | d>e dc | B>A"^(Em)" Bd | e>d ef | FA AB/c/ | d>e fe | dB Af | 
 e2 d2 :: fa d>e | fa ag/f/ | gb e>f | gb ba/g/ | fa/f/ ef/e/ | 
 de f/a/f/e/ | dB Af | e2 d2 :|  
X:1
L:1/8
Q:1/8=300
M:2/4
K:D
|:"D" FA AB/c/ | d>e dc |"B" B>A"^(Em)" Bd |"A7" e>d ef |"D" FA AB/c/ |"Bm" d>e fe |"G" dB"D" Af | 
"A7" e2"D" d2 ::"D" fa d>e | fa ag/f/ |"Em" gb e>f | gb"A7" ba/g/ |"D" fa/f/"A7" ef/e/ | 
"D" de f/a/f/e/ |"G" dB"D" Af |"A7" e2"D" d2 :|  