Create a series of chord progressions to enhance the harmonic aspect of the given piece of music.
|: aa/>g/ ff/>e/ | dc B2 |1 A^c/e/ aa/e/ | f/g/f/e/ dA :|2 A^c/e/ ac | 
 dd d2 :: D>F AA | BB A2 |1 A^c/e/ aa/e/ | f/g/f/e/ dA :|2 A^c/e/ ac | 
 dd d2 :|  
X:1
L:1/8
M:2/4
K:Dmin
|:"Dm" aa/>g/ ff/>e/ |"Gm" dc B2 |1"A7" A^c/e/ aa/e/ |"Dm" f/g/f/e/ dA :|2"A7" A^c/e/ ac | 
"Dm" dd d2 ::"Dm" D>F AA |"Gm" BB"Dm" A2 |1"A7" A^c/e/ aa/e/ |"Dm" f/g/f/e/ dA :|2"A7" A^c/e/ ac | 
"Dm" dd d2 :|  