Create chord progressions that enrich the harmonic structure of the provided musical piece.
|: DEFG A3 G | F2 D2 A>B A2 | DEFG A3 G | F2 D2 A4 :: F2 GA F3 A | 
 GF E2 F2 D2 | F2 GA F3 A | FG E2 D4 :: FGAG F3 D | E2 F2 D2 A2 | 
 FGAG F3 D | E2 F2 D4 :|  
X:1
L:1/8
Q:1/2=90
M:4/4
K:D
|:"D" DEFG"A7" A3 G |"D" F2 D2"A7" A>B A2 |"D" DEFG"A7" A3 G |"D" F2 D2"A7" A4 ::"D" F2 GA F3 A | 
"A7" GF E2"D" F2 D2 |"D" F2 GA F3 A |"A7" FG E2"D" D4 ::"A7" FGAG"D" F3 D |"A7" E2 F2"D" D2 A2 | 
"A7" FGAG"D" F3 D |"A7" E2 F2"D" D4 :|  