Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:2/4
K:G
['g2 gf/g/ ag ge dB', 'ED B,D ED'  
X:1
L:1/8
M:2/4
K:G
|: g2 gf/g/ | ag ge | dB BA | GA Bd | g2 gf/g/ | ag ge | dB B/d/B/A/ | G2 G2 :: G>A BA | GE ED | 
 B,D ED | B,D ED | G>A BA | GE ED | B,D ED | G4 :|  