Develop chord progressions that enhance the given music composition.
cB |: A2 Ac B2 Bc | A2 Ac B2 Bc | A2 ag fedc | B2 e2 c2 A2 :| |] 
 e2 ef edcd | e2 a2 e2 c2 | e2 ef edcd | e2 a2 e2 c2 | d2 fd c2 ec | 
 B2 Bc edcB | A2 ag fedc | B2 e2 c2 A2 |]  
X:1
L:1/8
M:2/2
K:A
 cB"A" |:"A" A2 Ac"E7" B2 Bc |"A" A2 Ac"E7" B2 Bc |"A" A2 ag"D" fedc |"E7" B2 e2"A" c2 A2 :|"B" |] 
"A" e2 ef edcd |"A" e2 a2 e2 c2 |"A" e2 ef edcd |"A" e2 a2 e2 c2 |"D" d2 fd"A" c2 ec | 
"Bm" B2 Bc"E7" edcB |"A" A2 ag"D" fedc |"E7" B2 e2"A" c2 A2 |]  