Craft a musical arrangement that integrates the provided motif and upholds the required musical structure.
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
['g/a/ bg', "c'2 a b2 g gfg"  
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
 d2 | g/a/ bg afe | d2 B G2 A | BcB BAG | D2 D D2 d | g/a/ bg gfe | d3 G2 A | B>cB AGA | G2 G G2 :: 
 b | c'2 a b2 g | gfg afd | c'2 a b2 g | gfg a2 b | c'2 a b2 g | gfg afd | ded dgb | G2 G G2 :|  