Design harmonic structures to improve the musical piece.
f | d>cB B2 f | d>cB B2 e | c>BA A2 e | c>BA A2 f | d>cB B2 f | d>cB B2 B | B>de f2 e | 
 d>cB B2 :: z | Ade f2 e | f2 e f2 e | ABc e2 c | e2 c e2 c | Bde f2 e | f2 e f2 e | 
 B>de f2 e | d>cB B2 :: z | d>cB b2 b | d>cB b2 b | c>BA a2 a | c>BA a2 a | d>cB b2 b | 
 d>cB b2 b | B>de f2 e | d>cB B2 :|  
X:1
L:1/8
Q:3/8=90
M:6/8
K:D
 f |"Bm" d>cB B2 f | d>cB B2 e |"A" c>BA A2 e | c>BA A2 f |"Bm" d>cB B2 f | d>cB B2 B | B>de f2 e | 
 d>cB B2 :: z |"D" Ade f2 e | f2 e f2 e |"A" ABc e2 c | e2 c e2 c |"Bm" Bde f2 e | f2 e f2 e | 
 B>de f2 e | d>cB B2 :: z |"Bm" d>cB b2 b | d>cB b2 b |"A" c>BA a2 a | c>BA a2 a |"Bm" d>cB b2 b | 
 d>cB b2 b | B>de f2 e | d>cB B2 :|  