Design musical structures with the specified pattern and offered motif.
X:1
L:1/4
M:3/4
K:Bb
['B2 B']  
X:1
L:1/4
M:3/4
K:Bb
 F | B2 B | F2 e | d2 c | B2 B | A2 B | c2 F | A2 G | F2 F | B2 c | d2 c | e2 d | B2 B | d2 e | 
 f2 g | f2 d/B/ | c2 B | A2 B B | d d c c | B3 |]  