Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
Q:1/8=350
M:4/4
K:G
['G2 BG dGBG cBcd efge', 'G2 (3def g2 fg ed^ce dfab afdf'  
X:1
L:1/8
Q:1/8=350
M:4/4
K:G
 (3DEF | G2 BG dGBG | cBcd efge | d2 BG DGBG | (3FED AD BDAF | G2 BG dGBG | cBcd efge | dgfg ecAF | 
 G2 GF G2 :: (3def | g2 fg ed^ce | dfab afdf | bagf gdBG | (3FED AD BDAF | G2 BG dGBG | cBcd efge | 
 dgfg ecAF | G2 GF G2 :|  