Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/8
M:2/2
K:Dmix
['dG G2', 'gfga bgaf gfga', 'Bd d2'  
X:1
L:1/8
M:2/2
K:Dmix
 c2 | dG G2 dGeG | dGGA BAAB | dG G2 dedB | AcBA GE D2 | dG G2 dGeG | dG G2 BA A2 | Bd d2 eBdB | 
 AcBA GED || f | gfga bgaf | gfga bgef | g2 dg bgaf | gfed Bdef | gfga bgaf | gfga bgeg | 
 bgaf gedB | AcBA GE D2 || Bd d2 Bdgd | Bdgd BAAc | Bd d2 eBdB | AcBA GE D2 | Bd d2 Bdgd | 
 Bdgd BABd | eB B2 eBdB | AcBA GE D2 ||  