Compose a suitable series of chord progressions that complement the provided musical composition.
|: fg | afaf d2 ef | gege c2 ef |"^(Em)" gfed cABc |1,3 defg"^(A7)" a2 :|2,4 
 dfec d2 :: AG | FAdA FAdA | GBdB GBdB | ABcd efec |1,3 defg a2 :|2,4 
 dfec d2 :|  
X:1
L:1/8
M:2/2
K:D
|: fg |"D" afaf d2 ef |"A7" gege c2 ef |"^(Em)" gfed"A7" cABc |1,3"D" defg"^(A7)" a2 :|2,4 
"D" df"A7"ec"D" d2 :: AG |"D" FAdA FAdA |"G" GBdB GBdB |"A7" ABcd efec |1,3"D" defg a2 :|2,4 
"D" df"A7"ec"D" d2 :|  