Design harmonic structures to improve the musical piece.
ee | eccc c2 ee | eccc c2 ee | fAeA"^A#u" dAcA | dBBB B2 dd | dBBB B2 dd | 
 dBBB B2 (3Bcd ||1 e2 e2 g2 g2 | fe^df e2 :|2 e2 e2 fefg | a6 |]: cd | 
 e2 z2 f2 z2 | e3 f e2 AB | c2 cc d2 dd | c3 d c2 cd | cB A2 G2 A2 | 
 B3 c B2 Bc |1 d2 e2 gfeg | fe^df e2 :|2 d2 e2 fefg | a6 |]  
X:1
L:1/8
M:2/2
K:A
 ee |"A" eccc c2 ee | eccc c2 ee |"A" fAeA"^A#u" dAcA |"Bm" dBBB B2 dd |"E7" dBBB B2 dd | 
 dBBB B2 (3Bcd ||1"E7" e2 e2 g2 g2 |"B7" fe^df"E7" e2 :|2"E7" e2 e2 fefg |"A" a6 |]: cd | 
"A" e2 z2"D" f2 z2 |"A" e3 f e2 AB |"F#m" c2 cc"Bm" d2 dd |"F#m" c3 d c2 cd |"Bm" cB A2 G2 A2 | 
"E7" B3 c B2 Bc |1"E7" d2 e2 gfeg |"B7" fe^df"E7" e2 :|2"E7" d2 e2 fefg |"A" a6 |]  