Create musical pieces following the given structure and incorporating the suggested musical theme.
X:1
L:1/4
M:6/4
K:G
['f g2']  
X:1
L:1/4
M:6/4
K:G
 g | g2 d B2 d | a3 a2 f | g2 f g2 a | b3 b2 g | a3/2 b/ c' b3/2 a/ g | a2 f d3/2 e/ f | 
 g2 d B2 d | g3 g2 ||  