Create musical pieces by following the given structure and incorporating the supplied motif.
X:1
L:1/8
M:2/4
K:G
['(ud/c/) BBBB dc z c/B/ AAAA cB', 'cB z'  
X:1
L:1/8
M:2/4
K:G
 (ud/c/) | BBBB | dc z c/B/ | AAAA | cB z B/c/ | dddd | c>dec | B/B/B A/A/A | GBG :: (c/B/) | 
 AAAA | cB z B | cccc | cB z B/c/ | dddd | e>fgc | B/B/B A/A/A | GBG :|  