Construct a harmonic accompaniment for the provided musical piece.
A2 G F | E3/2 F/ E2 | A2 B c | B3 z | A2 G F | E3/2 F/ E2 | F2 B G | 
 A3 z | c2 d c | c3/2 B/ B2 | (A c) B A | A3/2 G/ G2 | (F A) G F | 
 F3/2 E/ E2 | E2 E E | E3 z |]  
X:1
L:1/4
Q:1/4=100
M:4/4
K:Ab
"Ab" A2 G F | E3/2 F/ E2 | A2 B c |"Eb" B3 z |"Ab" A2 G F | E3/2 F/ E2 |"Db" F2"Bbm" B"Eb7" G | 
"Ab" A3 z |"Ab" c2 d c |"Eb" c3/2 B/ B2 |"Fm" (A c) B A |"C" A3/2 G/ G2 |"Db" (F A) G F | 
"Ab" F3/2 E/ E2 |"Eb" E2 E"Eb7" E |"Ab" E3 z |]  