Compose harmonious chord progressions to enhance the existing musical composition.
|: !>!f2- | fded d2 BA | (dB)AG(FG) !>!f2- | fded d2 BA | A4- A2 !>!f2- | 
 fded d2 Bc | (dB)AG (FD)FG | ABAG FDEC | D4- D2 :: !>!A2- | ABAG FDFD | 
 EDEF G2 B2 | ABAG F2 DE- | EDFD G2 BB | ABAG F2 DE- | ED EF G2 B2 |1 
 ABAG FDEC | D4- D2 :|  
X:1
L:1/8
M:4/4
K:D
|: !>!f2- |"D" fded d2 BA |"D" (dB)AG(FG) !>!f2- |"D" fded d2 BA |"A" A4- A2 !>!f2- | 
"D" fded d2 Bc |"D" (dB)AG (FD)FG |"D" ABAG"A" FDEC |"D" D4- D2 :: !>!A2- |"D" ABAG FDFD | 
"G" EDEF G2 B2 |"D" ABAG F2 DE- |"G" EDFD G2 BB |"D" ABAG F2 DE- |"G" ED EF G2 B2 |1 
"D" ABAG"A" FDEC |"D" D4- D2 :|  