Design harmonic structures to improve the musical piece.
A, |: D2 D D | F/D/F/A/ d (3(A/B/c/ | d) A F D | G/E/E/D/ C A, | D2 D D | F/D/F/A/ d D | 
 A, C E/F/G/E/ |1 F D D A :|2 F D D (3(A/B/c/ || d2) d (B/c/ | d) A F D | F2 F (F/G/ | 
 F) E E (3(A/B/c/ | d2) d (B/c/ | d) A F D | A, C E/F/G/E/ |1 F D D (3A/B/c/ :|2 
 F D D2 ||  
X:1
L:1/4
M:4/4
K:D
 A, |:"D" D2 D D | F/D/F/A/ d (3(A/B/c/ | d) A F D |"A" G/E/E/D/ C A, |"D" D2 D D | F/D/F/A/ d D | 
"A" A, C E/F/G/E/ |1 F D D A :|2 F D D (3(A/B/c/ ||"D" d2) d (B/c/ | d) A F D | F2 F (F/G/ | 
"A" F) E E (3(A/B/c/ |"D" d2) d (B/c/ | d) A F D |"A" A, C E/F/G/E/ |1"D" F D D (3A/B/c/ :|2 
"D" F D D2 ||  