Create music compositions that adhere to the given structure and incorporate the provided musical concept.
X:1
L:1/8
M:4/4
K:G
['G2 BG', 'G2 Bc dggf gfed eaag a2 ag'  
X:1
L:1/8
M:4/4
K:G
 (3DEF | G2 BG DGBd | (3gag fg edBA | G2 BG DGBG | ABAG FDEF | (3GFE (3FED EDB,A, | G, gfg edBA | 
 GABG DGBd | cAFA G2 :: Bc | dggf gfed | eaag a2 ag | fdad bdaf | dfaf gedc | B G3 (3EFG DF | 
 Ggfg edBA | GABG DGBd | cAFA G2 :|  