Develop chord sequences that enhance the given musical composition.
|: (AB)cd e2>(a2 g2)a2 | (fg)Tfe (fg)af f2e2 | (cA)ce (ag)ae"^(D)" (dc)BA |1,3 
 (cB)AG A2E2 C2A,2 :|2,4 (cB)AG (G2A2) A4 :: (AE)(Ac) (AE)(Ac) d2B2 | 
 (BG)(Bd) (BG)(Bd) d2c2 | (AE)(Ac) (AE)(Ac) d2B2 | (BG)(Bd) (BG)(Bd) d2c2 | 
 (AB)cd e2>(a2 g2)a2 | (fg)Tfe (fg)af f2e2 | (cA)ce (ag)ae"^(D)" (dc)BA | 
 (cB)AG (G2A2) A4 :|  
X:1
L:1/16
M:3/4
K:A
|:"A" (AB)cd e2>(a2 g2)a2 |"D" (fg)Tfe (fg)af"E7" f2e2 |"A" (cA)ce (ag)ae"^(D)" (dc)BA |1,3 
"E7" (cB)AG"A" A2E2 C2A,2 :|2,4"E7" (cB)AG (G2A2)"A" A4 ::"A" (AE)(Ac) (AE)(Ac)"Bm" d2B2 | 
"E7" (BG)(Bd) (BG)(Bd)"A" d2c2 |"A" (AE)(Ac) (AE)(Ac)"Bm" d2B2 |"E7" (BG)(Bd) (BG)(Bd)"A" d2c2 | 
"A" (AB)cd e2>(a2 g2)a2 |"D" (fg)Tfe (fg)af"E7" f2e2 |"A" (cA)ce (ag)ae"^(D)" (dc)BA | 
"E7" (cB)AG (G2A2)"A" A4 :|  