Design harmonic structures to improve the musical piece.
|: d2 dA BAFB | AF F2 EFDE | F2 AF G2 BG |1,3 ABde fgfe :|2,4 
 ABde fd d2 :: faab afdf | gefd edBg | faab afdB | ABde fddg | 
 faab afdf | gefd edBA | F2 AF G2 BG |1 ABde fd d2 :|2 
 ABde fg"^d.C"fe |]  
X:1
L:1/8
M:2/2
K:D
|:"D" d2 dA"A7" BAFB |"D" AF F2"A7" EFDE |"D" F2 AF"G" G2 BG |1,3"A7" ABde fgfe :|2,4 
"A7" ABde"D" fd d2 ::"D" faab afdf |"Em" gefd"A7" edBg |"D" faab afdB |"A7" ABde"D" fddg | 
"D" faab afdf |"Em" gefd"A7" edBA |"D" F2 AF"G" G2 BG |1"A7" ABde"D" fd d2 :|2 
"A7" ABde fg"^d.C"fe |]  