Compose a piece of music following the given alphabetical representation of the musical structure and the provided motif.
X:1
L:1/8
M:4/4
K:G
['', 'C>E D>C B,<G,', 'B<G c>A d/c/B/A/ B<G']  
X:1
L:1/8
M:4/4
K:G
 d/ |: G>D G<B d>e d<B | G>D G>B A<A, A,>D | G>B A<B G<E D>B, |1 C>E D>C B,<G, G,>D :|2 
 C>E D>C B,<G, G,>f |: g>a g<B G>A B<G | A<a a>g e>a a>b |1 g>a g<B G>A B<G | 
 c>A d/c/B/A/ B<G G>f :|2 g<b e<g d<g B<G | c>A d/c/B/A/ B<G G ||  