Develop harmonious chord sequences that enhance the given music composition.
A | d2 fe d2 Ac | d2 AG FDDF | Eee^d e2 Bd | e2 BA GEEc | d2 fe d2 Ac | 
 dABG FDDF | EFGA BcdB | e2 BA GEE g || fdad bdad | fdad fddf | gebe c'ebe | 
 gaba geeg | fdad bdad | ABde fdda | bgaf gef^d | e2 BA GEE |]  
X:1
L:1/8
M:2/2
K:D
 A |"D" d2 fe d2 Ac | d2 AG FDDF |"Em" Eee^d e2 Bd | e2 BA"A7" GEEc |"D" d2 fe d2 Ac | 
 dA"G"BG"D" FDDF |"Em" EFGA BcdB | e2 BA"A7" GEE g ||"D" fdad bdad | fdad fddf |"Em" gebe c'ebe | 
 gaba"A7" geeg |"D" fdad bdad | ABde fdda |"Em" bg"D"af"Em" ge"B"f^d |"Em" e2 BA"A7" GEE |]  