Construct a harmonic backdrop to enhance the provided melody.
"^A" B/c/ | dBeB dBAB | GFGA GDGA | BGBd cBAG | FGAF D2 Bc | dBeB dBAB | 
 GFGA GABc | defe dcAF |1 G2 AG F G2 :|2 G2 AG G2 |: (3DEF | GFGA B2 AG | 
 FGAF DEFD | GFGA B2 AG | Adde dcBA | GFGA B2 AG | FGAB c2 Bc | 
 defe dcAF | G2 AG G2 :|  
X:1
L:1/8
M:4/4
K:G
"^A" B/c/ |"G" dBeB dBAB |"G" GFGA"D7" GDGA |"G" BGBd"Am" cBAG |"D7" FGAF D2 Bc |"G" dBeB dBAB | 
"G" GFGA GABc |"Em" defe"D7" dcAF |1"G" G2 AG F G2 :|2"G" G2 AG G2 |: (3DEF |"G" GFGA B2 AG | 
"D7" FGAF DEFD |"G" GFGA"Em" B2 AG |"Am" Adde"D7" dcBA |"G" GFGA B2 AG |"D" FGAB c2 Bc | 
"Em" defe"D7" dcAF |"G" G2 AG G2 :|  