Craft a fitting chord progression to merge seamlessly with the given musical theme.
"^A" d/c/ |"^segno" B2 B Bgf | e2 e efg | ded dcB | cAA FAdcF | BcB Bgf | 
 efe efg | ded cBAF | G2 B G2 :|"^B" g/a/ | b2 g a2 f | gfg dcB | 
 cde dgBFF | BAA A2 g/a/ | b2 g a2 f | gfe agf | bag fge | 
 dgf e"^D.S."dc :|  
X:1
L:1/8
M:6/8
K:G
"^A" d/c/ |"^segno""G" B2 B Bgf |"C" e2 e efg |"G" ded"Em" dcB |"Am" cAA F"D7"AdcF |"G" BcB Bgf | 
"C" efe efg |"G" ded"D7" cBAF |"G" G2 B G2 :|"^B" g/a/ |"G" b2 g"D" a2 f |"G" gfg"G" dcB | 
"C" cde"G" dgBFF |"Am" BAA"D7" A2 g/a/ |"G" b2 g"D" a2 f |"Em" gfe"D7" agf |"G" bag"A7" fge | 
"D7" dgf e"^D.S."dc :|  