Develop complementary chords that synergize with the given tune.
DEF |: GFG BGB | d2 d ded | fed cBA | B2 G DEF | GFG BGB | d2 d ded | 
 fed cBA |1 G2 G DEF :|2 G3 |]:[K:D] AAA | A2 A ABA | GFE F2 D | A2 A ABA | 
 ABc dFG | AAA ABA | GFE F2 D | ABA GFE |1 D3 :|2 [DD]ED =CB,A, |]  
X:1
L:1/8
M:6/8
K:G
"D7" DEF |:"G" GFG BGB | d2 d ded |"D7" fed cBA |"G" B2 G"D7" DEF |"G" GFG BGB | d2 d ded | 
"D7" fed cBA |1"G" G2 G DEF :|2 G3 |]:[K:D]"A7" AAA |"D" A2 A ABA |"A7" GFE"D" F2 D |"D" A2 A ABA | 
"A7" ABc"D" dFG |"D" AAA ABA |"A7" GFE"D" F2 D |"D" ABA"A7" GFE |1"D" D3 :|2 [DD]ED =CB,A, |]  