Construct a piece of music built on the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:G
['B<d d>f e>f g>e', 'B>d g>b']  
X:1
L:1/8
M:4/4
K:G
 B<d d>f e>f g>e | d>e (3dcB A2 A>d | B<d d>f e>f g>e | d>B A>c B<G G>c :| B>d g>b (3agf g2 | 
 B>d g>b a<A A>c | B>d g>b (3agf g>e | d>B A>c B<G G>c | B>d g>b (3agf g2 | B>d g>b a2 g>a | 
 b>g a>f g>a g>e | d>B A>d B<G G>c ||  