Craft a fitting chord progression to merge seamlessly with the given musical theme.
d2 c | B2 B B2 B | B2 A GAB | c2 c c2 B | c2 d efg | f2 f f2 f | fed cBA |1 
 GBd e2 d | B3 :|2 GBd b2 a | g3 g2 a |: b2 b b2 b | b2 a gfe | 
 d2 d d2 e | d2 c Bdg | f2 f f2 f | fed cBA |1 GBd e2 d | B3 Bdg :|2 
 GBd bfa | g3 |]  
X:1
L:1/8
M:6/8
K:G
 d2 c |"G" B2 B B2 B | B2 A GAB |"C" c2 c c2 B |"Am" c2 d efg |"D" f2 f f2 f | fed cBA |1 
"G" GBd"D" e2 d |"G" B3 :|2"G" GBd"D" b2 a |"G" g3 g2 a |:"G" b2 b b2 b | b2 a"C" gfe | 
"G" d2 d d2 e | d2 c Bdg |"D7" f2 f f2 f | fed cBA |1"G" GBd"D" e2 d |"G" B3 Bdg :|2 
"G" GBd"D" bfa |"G" g3 |]  