Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
M:4/4
K:G
['D<G G>B A>GA>B G>D E>G', 'B<d d>e'  
X:1
L:1/8
M:4/4
K:G
|: D<G G>B A>GA>B | G>D E>G D<B, A,2 | D<G G>B A>GA>B | G>D E>G D<B, G,2 :| B<d d>e d>B A>G | 
 B<d d>e d<B A2 | B<d d>e d>B A>G | G>D E>G D<B, G,2 | B<d d>e g>d e>d | g>d e>d B<d A2 | 
 B>g A>=f G>A B>G | G>D E>G D<B, G,2 ||  