Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:3/4
K:C
['BgAfGf e2 cgec B2 GgfB']  
X:1
L:1/8
M:3/4
K:C
 Gc | BgAfGf | e2 cgec | B2 GgfB | c2 Ggec | BgAfGf | e2 cgec | B2 GgfB | c4 :|  