Produce an array of chord pairings to amplify the harmony in the given musical piece.
|: da ag | f2 e2 | df ed | ^ce/c/ A2 | FE F^G | A2 A,2 :: ff ff | eg/e/ c2 | 
 fefd | ^ce/c/ A2 | e !plus!A e !plus!A | e !plus!A e a/g/ | fd e^c | d2 D2 :|  
X:1
L:1/8
Q:1/8=100
M:2/4
K:F
|:"Dm" da ag | f2 e2 | df ed |"A" ^ce/c/ A2 |"Dm" FE F^G |"A" A2 A,2 ::"Dm" ff ff |"C" eg/e/ c2 | 
"Dm" fefd |"A" ^ce/c/ A2 | e !plus!A e !plus!A | e !plus!A e a/g/ |"Dm" fd"A" e^c |"Dm" d2 D2 :|  